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Como realizar semantic search nos dados do cluster do Atlas

Nesta página

  • Pré-requisitos
  • Criar o índice Atlas Vector Search Index
  • Acesso necessário
  • Procedimento
  • Execute query usando o estágio de pipeline de agregação $vectorSearch
  • Visão geral
  • Procedimento

Este tutorial descreve como executar uma pesquisar deANN em um vetor no campo plot_embedding na collection sample_mflix.embedded_movies no seu Atlas cluster. Para demonstrar isso, ele conduz você pelas seguintes etapas:

  1. Crie um índice de Atlas Vector Search no campo numérico denominado plot_embedding na coleção sample_mflix.embedded_movies.

  2. Execute queries do Atlas Vector Search no campo plot_embedding na coleção sample_mflix.embedded_movies.

Para concluir este tutorial, você deve ter o seguinte:

  • Um cluster do Atlas com MongoDB versão 6.0.11, ou v7.0.2 ou posterior (incluindo RCs).

  • Os dados de amostra foram carregados no seu cluster do Atlas.

    Observação

    Você pode converter as incorporações nos dados de amostra em vetores BSON para armazenar e ingerir vetores no Atlas com eficiência. Para saber mais, consulte como converter incorporações nativas em vetores BSON.

  • Um dos seguintes clientes para executar queries no seu Atlas cluster:

    • mongosh

    • Driver Java do MongoDB

    • MongoDB go driver

    • Driver de nó do MongoDB

    • PyMongo

    Observação

    Você pode executar "" queries usando qualquer driver MongoDB por meio do estágio de "" agregação ". "" inclui exemplos apenas para os drivers na lista anterior.

    Você também pode utilizar a Pesquisa de Vetor do Atlas com implantações locais do Atlas que você cria com o Atlas CLI. Para saber mais, consulte Criar uma implantação de Atlas local.


➤ Use o menu suspenso Selecione a linguagem para selecionar o cliente a ser usado na criação do índice do Atlas Vector Search e executar consultas.


Esta seção demonstra como criar um Atlas Vector Search no campo plot_embedding na collection sample_mflix.embedded_movies para executar query no campo.

Para criar um índice do Atlas Vector Search, você deve ter acesso Project Data Access Admin ou superior ao projeto.

1
  1. Se ainda não tiver sido exibido, selecione a organização que contém seu projeto no menu Organizations na barra de navegação.

  2. Se ainda não estiver exibido, selecione o projeto desejado no menu Projects na barra de navegação.

  3. Se ainda não estiver exibido, clique em Clusters na barra lateral.

    A página Clusters é exibida.

2

Você pode acessar a página do Atlas Search pela barra lateral, pelo Data Explorer ou pela página de detalhes do cluster.

  1. Na barra lateral, clique em Atlas Search sob o título Services.

  2. No menu suspenso Select data source, selecione seu cluster e clique em Go to Atlas Search.

    A página Atlas Search é exibida.

  1. Clique no botão Browse Collections para o seu cluster.

  2. Expanda o banco de dados e selecione a coleção.

  3. Clique na guia Search Indexes da coleção.

    A página Atlas Search é exibida.

  1. Clique no nome do seu cluster.

  2. Clique na aba Atlas Search.

    A página Atlas Search é exibida.

3
  1. Clique em Create Search Index.

  2. Em Atlas Vector Search, selecione JSON Editor e clique em Next.

  3. Na seção Database and Collection, localize o banco de dados sample_mflix e selecione a coleção embedded_movies.

  4. No campo Index Name, digite vector_index.

  5. Substitua a definição padrão pela seguinte definição de índice e clique em Next.

4
  1. Substitua a definição padrão pela seguinte definição de índice.

    Essa definição de índice especifica a indexação dos seguintes campos em um índice do tipo vectorSearch:

    • plot_embedding campo como o tipo de vetor . O campo plot_embedding contém incorporações criadas utilizando o modelo de incorporação text-embedding-ada-002 do OpenAI. A definição de índice especifica 1536 dimensões vetoriais e mede a similaridade usando euclidean.

    • genres campo como o tipo de filtro para pré-filtrar dados por valores de cadeia de caracteres no campo.

    • year campo como o tipo de filtro para pré-filtrar dados por valores numéricos no campo.

    1{
    2 "fields": [
    3 {
    4 "type": "vector",
    5 "path": "plot_embedding",
    6 "numDimensions": 1536,
    7 "similarity": "euclidean"
    8 },
    9 {
    10 "type": "filter",
    11 "path": "genres"
    12 },
    13 {
    14 "type": "filter",
    15 "path": "year"
    16 }
    17 ]
    18}
5

Uma janela modal é exibida para que você saiba que seu índice está construindo.

6

O índice deve levar cerca de um minuto para ser criado. Enquanto é compilado, a coluna Status mostra Initial Sync. Quando a compilação terminar, a coluna Status mostrará Active.

1

Abra o mongosh em uma janela do terminal e conecte-se ao seu cluster. Para obter instruções detalhadas sobre como conectar, consulte Conectar via mongosh.

2

Exemplo

use sample_mflix
switched to db sample_mflix
3

A definição de índice a seguir indexa o campo plot_embedding como o tipo vector e os campos genres e year como o tipo filter em um índice do Atlas Vector Search. O campo plot_embedding contém incorporações criadas utilizando o modelo de incorporações text-embedding-ada-002 da OpenAI. A definição do índice especifica dimensões vetoriais 1536 e mede a similaridade usando a distância euclidean.

1db.embedded_movies.createSearchIndex(
2 "vector_index",
3 "vectorSearch",
4 {
5 "fields": [
6 {
7 "type": "vector",
8 "path": "plot_embedding",
9 "numDimensions": 1536,
10 "similarity": "euclidean"
11 },
12 {
13 "type": "filter",
14 "path": "genres"
15 },
16 {
17 "type": "filter",
18 "path": "year"
19 }
20 ]
21 }
22);
1

Adicione o Driver Go como dependência no seu projeto:

go get go.mongodb.org/mongo-driver/mongo
2

Crie um arquivo denominado vector-index.go. Copie e cole o código a seguir no arquivo e substitua o valor do espaço reservado <connectionString>.

vector-index.go
1package main
2
3import (
4 "context"
5 "fmt"
6 "log"
7 "time"
8
9 "go.mongodb.org/mongo-driver/bson"
10 "go.mongodb.org/mongo-driver/mongo"
11 "go.mongodb.org/mongo-driver/mongo/options"
12)
13
14func main() {
15 ctx := context.Background()
16
17 // Replace the placeholder with your Atlas connection string
18 const uri = "<connectionString>"
19
20 // Connect to your Atlas cluster
21 clientOptions := options.Client().ApplyURI(uri)
22 client, err := mongo.Connect(ctx, clientOptions)
23 if err != nil {
24 log.Fatalf("failed to connect to the server: %v", err)
25 }
26 defer func() { _ = client.Disconnect(ctx) }()
27
28 // Set the namespace
29 coll := client.Database("sample_mflix").Collection("embedded_movies")
30 indexName := "vector_index"
31 opts := options.SearchIndexes().SetName(indexName).SetType("vectorSearch")
32
33 type vectorDefinitionField struct {
34 Type string `bson:"type"`
35 Path string `bson:"path"`
36 NumDimensions int `bson:"numDimensions"`
37 Similarity string `bson:"similarity"`
38 }
39
40 type filterField struct {
41 Type string `bson:"type"`
42 Path string `bson:"path"`
43 }
44
45 type indexDefinition struct {
46 Fields []vectorDefinitionField `bson:"fields"`
47 }
48
49 vectorDefinition := vectorDefinitionField{
50 Type: "vector",
51 Path: "plot_embedding",
52 NumDimensions: 1536,
53 Similarity: "euclidean"}
54 genreFilterDefinition := filterField{"filter", "genres"}
55 yearFilterDefinition := filterField{"filter", "year"}
56
57 indexModel := mongo.SearchIndexModel{
58 Definition: bson.D{{"fields", [3]interface{}{
59 vectorDefinition,
60 genreFilterDefinition,
61 yearFilterDefinition}}},
62 Options: opts,
63 }
64
65 // Create the index
66 searchIndexName, err := coll.SearchIndexes().CreateOne(ctx, indexModel)
67 if err != nil {
68 log.Fatalf("failed to create the search index: %v", err)
69 }
70 log.Println("New search index named " + searchIndexName + " is building.")
71
72 // Await the creation of the index.
73 log.Println("Polling to check if the index is ready. This may take up to a minute.")
74 searchIndexes := coll.SearchIndexes()
75 var doc bson.Raw
76 for doc == nil {
77 cursor, err := searchIndexes.List(ctx, options.SearchIndexes().SetName(searchIndexName))
78 if err != nil {
79 fmt.Errorf("failed to list search indexes: %w", err)
80 }
81
82 if !cursor.Next(ctx) {
83 break
84 }
85
86 name := cursor.Current.Lookup("name").StringValue()
87 queryable := cursor.Current.Lookup("queryable").Boolean()
88 if name == searchIndexName && queryable {
89 doc = cursor.Current
90 } else {
91 time.Sleep(5 * time.Second)
92 }
93 }
94
95 log.Println(searchIndexName + " is ready for querying.")
96}

Este índice indexa o campo plot_embedding como o tipo vector e os campos genres e year como o tipo filter em um índice do Atlas Vector Search. O campo plot_embedding contém incorporações criadas utilizando o modelo de incorporações text-embedding-ada-002 da OpenAI. A definição do índice especifica dimensões vetoriais 1536 e mede a similaridade usando a distância euclidean.

3
go run vector-index.go
2024/10/17 09:38:21 Creating the index.
2024/10/17 09:38:22 Polling to confirm successful index creation.
2024/10/17 09:38:22 NOTE: This may take up to a minute.
2024/10/17 09:38:48 Name of Index Created: vector_index
1
  1. Adicione o driver Java versão 5.2 ou superior como uma dependência no projeto:

    • Se você estiver usando o Maven, adicione a seguinte dependência à sua lista de dependências do pom.xml:

      <dependency>
      <groupId>org.mongodb</groupId>
      <artifactId>mongodb-driver-sync</artifactId>
      <version>[5.2.0,)</version>
      </dependency>
    • Se você estiver usando o Gradle, adicione a seguinte dependência à sua lista de dependências do build.gradle:

      dependencies {
      implementation 'org.mongodb:mongodb-driver-sync:[5.2.0,)'
      }
  2. Adicione os arquivos JAR do driver Java ao seu CLASSPATH.

Para obter instruções de instalação mais detalhadas e compatibilidade de versões, consulte a documentação do MongoDB Java Driver.

2

Crie um arquivo denominado VectorIndex.java. Copie e cole o código a seguir no arquivo e substitua o valor do espaço reservado <connectionString>.

VectorIndex.java
1import com.mongodb.client.ListSearchIndexesIterable;
2import com.mongodb.client.MongoClient;
3import com.mongodb.client.MongoClients;
4import com.mongodb.client.MongoCollection;
5import com.mongodb.client.MongoCursor;
6import com.mongodb.client.MongoDatabase;
7import com.mongodb.client.model.SearchIndexModel;
8import com.mongodb.client.model.SearchIndexType;
9import org.bson.Document;
10import org.bson.conversions.Bson;
11
12import java.util.Arrays;
13import java.util.Collections;
14import java.util.List;
15
16public class VectorIndex {
17
18 public static void main(String[] args) {
19
20 // Replace the placeholder with your Atlas connection string
21 String uri = "<connectionString>";
22
23 // Connect to your Atlas cluster
24 try (MongoClient mongoClient = MongoClients.create(uri)) {
25
26 // Set the namespace
27 MongoDatabase database = mongoClient.getDatabase("sample_mflix");
28 MongoCollection<Document> collection = database.getCollection("embedded_movies");
29
30 // Define the index details with the filter fields
31 String indexName = "vector_index";
32 Bson definition = new Document(
33 "fields",
34 Arrays.asList(
35 new Document("type", "vector")
36 .append("path", "plot_embedding")
37 .append("numDimensions", 1536)
38 .append("similarity", "euclidean"),
39 new Document("type", "filter")
40 .append("path", "genres"),
41 new Document("type", "filter")
42 .append("path", "year")));
43
44 // Define the index model
45 SearchIndexModel indexModel = new SearchIndexModel(
46 indexName,
47 definition,
48 SearchIndexType.vectorSearch());
49
50 // Create the filtered index
51 try {
52 List<String> result = collection.createSearchIndexes(Collections.singletonList(indexModel));
53 System.out.println("New search index named " + result.get(0) + " is building.");
54 } catch (Exception e) {
55 throw new RuntimeException("Error creating index: " + e);
56 }
57
58 // Wait for Atlas to build the index
59 System.out.println("Polling to check if the index is ready. This may take up to a minute.");
60
61 ListSearchIndexesIterable<Document> searchIndexes = collection.listSearchIndexes();
62 Document doc = null;
63 while (doc == null) {
64 try (MongoCursor<Document> cursor = searchIndexes.iterator()) {
65 if (!cursor.hasNext()) {
66 break;
67 }
68 Document current = cursor.next();
69 String name = current.getString("name");
70 // When the index completes building, it becomes `queryable`
71 boolean queryable = current.getBoolean("queryable");
72 if (name.equals(indexName) && queryable) {
73 doc = current;
74 } else {
75 Thread.sleep(500);
76 }
77 } catch (Exception e) {
78 throw new RuntimeException("Failed to list search indexes: " + e);
79 mongoClient.close();
80 }
81 }
82 System.out.println(indexName + " is ready for querying.");
83
84 } catch (Exception e) {
85 throw new RuntimeException("Error connecting to MongoDB: " + e);
86 }
87 }
88}

Este índice indexa o campo plot_embedding como o tipo vector e os campos genres e year como o tipo filter em um índice do Atlas Vector Search. O campo plot_embedding contém incorporações criadas utilizando o modelo de incorporações text-embedding-ada-002 da OpenAI. A definição do índice especifica dimensões vetoriais 1536 e mede a similaridade usando a distância euclidean.

3

Execute o arquivo no seu IDE ou execute um comando a partir da linha de comando para executar o código.

javac VectorIndex.java
java VectorIndex
Successfully created a vector index named: [vector_index]
It may take up to a minute for the index to build before you can query using it.
Polling to confirm the index has completed building.
vector_index index is ready to query
1

Adicione o Driver Node do MongoDB como dependência no seu projeto:

npm install mongodb

Dica

Os exemplos nesta página pressupõem que seu projeto gerencia módulos como CommonJS. Se estiver usando módulos ES, você deverá modificar a sintaxe de importação.

2

Crie um arquivo denominado vector-index.js. Copie e cole o código a seguir no arquivo e substitua o valor do espaço reservado <connectionString>.

vector-index.js
1const { MongoClient } = require("mongodb");
2
3// connect to your Atlas deployment
4const uri = "<connectionString>";
5
6const client = new MongoClient(uri);
7
8async function run() {
9 try {
10 const database = client.db("sample_mflix");
11 const collection = database.collection("embedded_movies");
12
13 // define your Atlas Vector Search index
14 const index = {
15 name: "vector_index",
16 type: "vectorSearch",
17 definition: {
18 "fields": [
19 {
20 "type": "vector",
21 "numDimensions": 1536,
22 "path": "plot_embedding",
23 "similarity": "euclidean"
24 },
25 {
26 "type": "filter",
27 "path": "genres"
28 },
29 {
30 "type": "filter",
31 "path": "year"
32 }
33 ]
34 }
35 }
36
37 // run the helper method
38 const result = await collection.createSearchIndex(index);
39 console.log(`New search index named ${result} is building.`);
40
41 // wait for the index to be ready to query
42 console.log("Polling to check if the index is ready. This may take up to a minute.")
43 let isQueryable = false;
44 while (!isQueryable) {
45 const cursor = collection.listSearchIndexes();
46 for await (const index of cursor) {
47 if (index.name === result) {
48 if (index.queryable) {
49 console.log(`${result} is ready for querying.`);
50 isQueryable = true;
51 } else {
52 await new Promise(resolve => setTimeout(resolve, 5000));
53 }
54 }
55 }
56 }
57 } finally {
58 await client.close();
59 }
60}
61run().catch(console.dir);

Este índice indexa o campo plot_embedding como o tipo vector e os campos genres e year como o tipo filter em um índice do Atlas Vector Search. O campo plot_embedding contém incorporações criadas utilizando o modelo de incorporações text-embedding-ada-002 da OpenAI. A definição do índice especifica dimensões vetoriais 1536 e mede a similaridade usando a distância euclidean.

3
node vector-index.js
vector_index
1

Adicione o Driver PyMongo como dependência no seu projeto:

pip install pymongo
2

Crie um arquivo denominado vector-index.py. Copie e cole o código a seguir no arquivo e substitua o valor do espaço reservado <connectionString>.

vector-index.py
1from pymongo.mongo_client import MongoClient
2from pymongo.operations import SearchIndexModel
3import time
4
5# Connect to your Atlas deployment
6uri = "<connectionString>"
7client = MongoClient(uri)
8
9# Access your database and collection
10database = client["sample_mflix"]
11collection = database["embedded_movies"]
12
13# Create your index model, then create the search index
14search_index_model = SearchIndexModel(
15 definition={
16 "fields": [
17 {
18 "type": "vector",
19 "path": "plot_embedding",
20 "numDimensions": 1536,
21 "similarity": "euclidean"
22 },
23 {
24 "type": "filter",
25 "path": "genres"
26 },
27 {
28 "type": "filter",
29 "path": "year"
30 }
31 ]
32 },
33 name="vector_index",
34 type="vectorSearch",
35)
36
37result = collection.create_search_index(model=search_index_model)
38print("New search index named " + result + " is building.")
39# Wait for initial sync to complete
40print("Polling to check if the index is ready. This may take up to a minute.")
41predicate=None
42if predicate is None:
43 predicate = lambda index: index.get("queryable") is True
44
45while True:
46 indices = list(collection.list_search_indexes(result))
47 if len(indices) and predicate(indices[0]):
48 break
49 time.sleep(5)
50print(result + " is ready for querying.")
51
52client.close()

Este índice indexa o campo plot_embedding como o tipo vector e os campos genres e year como o tipo filter em um índice do Atlas Vector Search. O campo plot_embedding contém incorporações criadas utilizando o modelo de incorporações text-embedding-ada-002 da OpenAI. A definição do índice especifica dimensões vetoriais 1536 e mede a similaridade usando a distância euclidean.

3
python vector-index.py
vector_index

Esta seção demonstra como consultar os dados de vetores indexados na coleção sample_mflix.embedded_movies usando o estágio $vectorSearch. Essas queries de amostra também demonstram os vários operadores de pipeline de agregação e query que podemos usar na query para pré-filtrar os dados nos quais realizamos a pesquisa semântica.

1
  1. Se ainda não tiver sido exibido, selecione a organização que contém seu projeto no menu Organizations na barra de navegação.

  2. Se ainda não estiver exibido, selecione o projeto desejado no menu Projects na barra de navegação.

  3. Se ainda não estiver exibido, clique em Clusters na barra lateral.

    A página Clusters é exibida.

2

Clique no botão Browse Collections para o seu cluster.

O Data Explorer é exibido.

3
  1. Expanda sample_mflix na lista de bancos de dados e selecione embedded_movies na lista de coleções nesse banco de dados.

  2. Clique Aggregation na guia sample_mflix.embedded_movies collection.

4

As queries a seguir usam o estágio do pipeline $vectorSearch para pesquisar filmes que correspondam às incorporações de vetor especificadas. Note que as queries utilizam a incorporação ada-002-text, que é o mesmo que o vetor incorporação no campo plot_embedding. As queries especificam uma pesquisa para até 100 vizinhos mais próximos e limitam os resultados somente para 10 documentos. As consultas também especificam um estágio $project para executar as seguintes ações:

  • Exclua o campo _id e inclua somente os campos title, genres, plot e year nos resultados.

  • Adicionar um campo chamado score que exibe a pontuação da pesquisa vetorial para cada documento nos resultados.

  1. Clique em </> Text.

  2. Substitua [ ] no painel esquerdo pela query do operador pré-filtro que você deseja testar.

    A query a seguir pesquisa o campo plot_embedding usando as incorporações vetoriais para o heist histórico de strings. A query utiliza a incorporação ada-002-text, que é o mesmo que a incorporação do vetor no campo plot_embedding. Ela especifica vários operadores de query de comparação por campo para pré-filtrar os documentos nos quais executar a pesquisar semântica.

    O filtro usa o operador de pipeline de agregação $and para localizar documentos de filme que correspondam aos seguintes critérios:

    • Filtre pelo campo genres para encontrar filmes que não estão no gênero drama, western ou crime, mas sim no gênero action, adventure ou family.

    • Filtre pelo campo year para encontrar filmes que foram lançados entre os anos 1960 e 2000.

    1[
    2 {
    3 "$vectorSearch": {
    4 "index": "vector_index",
    5 "path": "plot_embedding",
    6 "filter": {
    7 "$and": [{
    8 "genres": {
    9 "$nin": ["Drama", "Western", "Crime"] ,
    10 "$in": ["Action", "Adventure", "Family"]
    11 },
    12 }, {
    13 "year": {
    14 "$gte": 1960,
    15 "$lte": 2000
    16 }
    17 }]
    18 },
    19 "queryVector": 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    20 "numCandidates": 200,
    21 "limit": 10
    22 }
    23 },
    24 {
    25 "$project": {
    26 "_id": 0,
    27 "title": 1,
    28 "genres": 1,
    29 "plot": 1,
    30 "year": 1,
    31 "score": { $meta: "vectorSearchScore" }
    32 }
    33 }
    34]
    1year: 1993
    2plot: "A botched mid-air heist results in suitcases full of cash being search…"
    3genres: Array (3)
    4title: "Cliffhanger"
    5score: 0.7694521546363831
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    7genres: Array (3)
    8title: "It's a Mad, Mad, Mad, Mad World"
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    10score: 0.7638954520225525
    11plot: "The dying words of a thief spark a madcap cross-country rush to find s…"
    12
    13score: 0.7538407444953918
    14year: 1991
    15plot: "A cat burglar is forced to steal Da Vinci works of art for a world dom…"
    16genres: Array (3)
    17title: "Hudson Hawk"
    18
    19plot: "In 1997, when the US President crashes into Manhattan, now a giant max…"
    20genres: Array (2)
    21title: "Escape from New York"
    22year: 1981
    23score: 0.7487208843231201
    24
    25title: "The Romanov Stones"
    26year: 1993
    27score: 0.7467736005783081
    28plot: "Patrick and Tony are hired by the wealthy gambler to steal the pricele…"
    29genres: Array (2)
    30
    31plot: "An attempted robbery turns to be an unexpected recruitment when two un…"
    32genres: Array (3)
    33title: "Crime Busters"
    34year: 1977
    35score: 0.7437351942062378
    36
    37plot: "In the aftermath of the Persian Gulf War, 4 soldiers set out to steal …"
    38genres: Array (3)
    39title: "Three Kings"
    40year: 1999
    41score: 0.7425670623779297
    42
    43plot: "A professional thief is hired by the FBI to steal a data tape from a c…"
    44genres: Array (3)
    45title: "Black Moon Rising"
    46year: 1986
    47score: 0.7397696375846863
    48
    49plot: "A group of heavily armed hijackers board a luxury ocean liner in the S…"
    50genres: Array (3)
    51title: "Deep Rising"
    52year: 1998
    53score: 0.7392246127128601
    54
    55year: 1964
    56score: 0.7357995510101318
    57plot: "A young man comes to the rescue of his girlfriend abducted by thieves …"
    58genres: Array (3)
    59title: "That Man from Rio"

    A query a seguir pesquisa o campo plot_embedding usando os embeddings vetoriais para a string martial arts. A query utiliza a incorporação ada-002-text, que é o mesmo que a incorporação do vetor no campo plot_embedding. Ela especifica operadores de pipeline de agregação e de query de comparação para demonstrar um uso combinado dos operadores para filtrar os dados.

    O filtro usa o operador de pipeline de agregação $or para localizar documentos de filme que correspondam a um dos seguintes critérios:

    • Filtre pelo campo genres para encontrar filmes que não são do gênero crime .

    • Filtre pelo campo year para encontrar filmes lançados no ano 2015 ou antes e pelo campo genres para encontrar filmes do gênero action .

    1[
    2 {
    3 "$vectorSearch": {
    4 "index": "vector_index",
    5 "path": "plot_embedding",
    6 "filter": {
    7 "$or": [{
    8 "genres": { "$ne": "Crime" }
    9 }, {
    10 "$and": [{
    11 "year": { "$lte": 2015 }
    12 }, {
    13 "genres": { "$eq": "Action" }
    14 }]
    15 }]
    16 },
    17 "queryVector": 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    26plot: "A martial arts instructor from the police force gets imprisoned after …"
    27genres: Array (2)
    28title: "Kung Fu Killer"
    29year: 2014
    30
    31plot: "A young woman is trained by a martial arts specialist to become a prof…"
    32genres: Array (3)
    33title: "Naked Killer"
    34year: 1992
    35score: 0.7693743109703064
    36
    37plot: "The life of the greatest karate master of a generation."
    38genres: Array (3)
    39title: "The Real Miyagi"
    40year: 2015
    41score: 0.768799901008606
    42
    43plot: "At his new high school, a rebellious teen is lured into an underground…"
    44genres: Array (3)
    45title: "Never Back Down"
    46year: 2008
    47score: 0.768179714679718
    48
    49score: 0.7679706811904907
    50plot: "Three young martial arts masters emerge from the back streets of Hong …"
    51genres: Array (2)
    52title: "Dragon Tiger Gate"
    53year: 2006
    54
    55title: "Shaolin Soccer"
    56score: 0.7660527229309082
    57year: 2001
    58plot: "A young Shaolin follower reunites with his discouraged brothers to for…"
    59genres: Array (3)

Observação

O painel Pipeline Output exibe os resultados da sua query.

5

O Data Explorer pode não exibir todos os valores nos documentos que ele retorna. Para visualizar todos os valores dos campos que você pesquisou no caminho da query, expanda os campos nos documentos.

1

Abra o mongosh em uma janela do terminal e conecte-se ao seu cluster. Para obter instruções detalhadas sobre como conectar, consulte Conectar via mongosh.

2
use sample_mflix
switched to db sample_mflix
3

As queries a seguir usam o estágio do pipeline $vectorSearch para pesquisar filmes que correspondam às incorporações de vetor especificadas. Note que as queries utilizam a incorporação ada-002-text, que é o mesmo que o vetor incorporação no campo plot_embedding. As queries especificam uma pesquisa para até 100 vizinhos mais próximos e limitam os resultados somente para 10 documentos. As consultas também especificam um estágio $project para executar as seguintes ações:

  • Exclua o campo _id e inclua somente os campos title, genres, plot e year nos resultados.

  • Adicionar um campo chamado score que exibe a pontuação da pesquisa vetorial para cada documento nos resultados.

A query a seguir pesquisa o campo plot_embedding usando as incorporações vetoriais para o heist histórico de strings. A query utiliza a incorporação ada-002-text, que é o mesmo que a incorporação do vetor no campo plot_embedding. Ela especifica vários operadores de query de comparação por campo para pré-filtrar os documentos nos quais executar a pesquisar semântica.

O filtro usa o operador de pipeline de agregação $and para localizar documentos de filme que correspondam aos seguintes critérios:

  • Filtre pelo campo genres para encontrar filmes que não estão no gênero drama, western ou crime, mas sim no gênero action, adventure ou family.

  • Filtre pelo campo year para encontrar filmes que foram lançados entre os anos 1960 e 2000.

1db.embedded_movies.aggregate([
2 {
3 "$vectorSearch": {
4 "index": "vector_index",
5 "path": "plot_embedding",
6 "filter": {
7 "$and": [{
8 "genres": {
9 "$nin": ["Drama", "Western", "Crime"] ,
10 "$in": ["Action", "Adventure", "Family"]
11 },
12 }, {
13 "year": {
14 "$gte": 1960,
15 "$lte": 2000
16 }
17 }]
18 },
19 "queryVector": 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2 {
3 year: 1993,
4 plot: 'A botched mid-air heist results in suitcases full of cash being searched for by various groups throughout the Rocky Mountains.',
5 genres: [ 'Action', 'Adventure', 'Thriller' ],
6 title: 'Cliffhanger',
7 score: 0.7694521546363831
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9 {
10 plot: 'The dying words of a thief spark a madcap cross-country rush to find some treasure.',
11 genres: [ 'Action', 'Adventure', 'Comedy' ],
12 title: "It's a Mad, Mad, Mad, Mad World",
13 year: 1963,
14 score: 0.7638954520225525
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16 {
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18 plot: 'A cat burglar is forced to steal Da Vinci works of art for a world domination plot.',
19 genres: [ 'Action', 'Adventure', 'Comedy' ],
20 title: 'Hudson Hawk',
21 score: 0.7538407444953918
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23 {
24 plot: 'In 1997, when the US President crashes into Manhattan, now a giant maximum security prison, a convicted bank robber is sent in for a rescue.',
25 genres: [ 'Action', 'Sci-Fi' ],
26 title: 'Escape from New York',
27 year: 1981,
28 score: 0.7487208843231201
29 },
30 {
31 plot: 'Patrick and Tony are hired by the wealthy gambler to steal the priceless Romanov stones, Russian jewels. They do it, but almost lose their lives when he double-crosses them. They turn around and get revenge.',
32 genres: [ 'Action', 'Thriller' ],
33 title: 'The Romanov Stones',
34 year: 1993,
35 score: 0.7467736005783081
36 },
37 {
38 plot: 'An attempted robbery turns to be an unexpected recruitment when two unemployed men mistakenly break into a police office instead of a store.',
39 genres: [ 'Action', 'Comedy', 'Adventure' ],
40 title: 'Crime Busters',
41 year: 1977,
42 score: 0.7437351942062378
43 },
44 {
45 plot: 'In the aftermath of the Persian Gulf War, 4 soldiers set out to steal gold that was stolen from Kuwait, but they discover people who desperately need their help.',
46 genres: [ 'Action', 'Adventure', 'Comedy' ],
47 title: 'Three Kings',
48 year: 1999,
49 score: 0.7425670623779297
50 },
51 {
52 plot: 'A professional thief is hired by the FBI to steal a data tape from a company under investigation. The analysis of this tape, will prove the criminal activities of this company. As this ...',
53 genres: [ 'Action', 'Sci-Fi', 'Thriller' ],
54 title: 'Black Moon Rising',
55 year: 1986,
56 score: 0.7397696375846863
57 },
58 {
59 plot: 'A group of heavily armed hijackers board a luxury ocean liner in the South Pacific Ocean to loot it, only to do battle with a series of large-sized, tentacled, man-eating sea creatures who have taken over the ship first.',
60 genres: [ 'Action', 'Adventure', 'Horror' ],
61 title: 'Deep Rising',
62 year: 1998,
63 score: 0.7392246127128601
64 },
65 {
66 plot: 'A young man comes to the rescue of his girlfriend abducted by thieves and brought to Rio. An extravagant adventure ensues.',
67 genres: [ 'Action', 'Adventure', 'Comedy' ],
68 title: 'That Man from Rio',
69 year: 1964,
70 score: 0.7357995510101318
71 }
72]

A query a seguir pesquisa o campo plot_embedding usando os embeddings vetoriais para a string martial arts. A query utiliza a incorporação ada-002-text, que é o mesmo que a incorporação do vetor no campo plot_embedding. Ela especifica operadores de pipeline de agregação e de query de comparação para demonstrar um uso combinado dos operadores para filtrar os dados.

O filtro usa o operador de pipeline de agregação $or para localizar documentos de filme que correspondam a um dos seguintes critérios:

  • Filtre pelo campo genres para encontrar filmes que não são do gênero crime .

  • Filtre pelo campo year para encontrar filmes lançados no ano 2015 ou antes e pelo campo genres para encontrar filmes do gênero action .

1db.embedded_movies.aggregate([
2 {
3 "$vectorSearch": {
4 "index": "vector_index",
5 "path": "plot_embedding",
6 "filter": {
7 "$or": [{
8 "genres": { "$ne": "Crime" }
9 }, {
10 "$and": [{
11 "year": { "$lte": 2015 }
12 }, {
13 "genres": { "$eq": "Action" }
14 }]
15 }]
16 },
17 "queryVector": 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1[
2 {
3 year: 2008,
4 plot: 'A young Thai boxer learns the skills and inner meaning of martial arts.',
5 genres: [ 'Action' ],
6 title: 'Ong-bak 2',
7 score: 0.7976737022399902
8 },
9 {
10 plot: 'A handyman/martial arts master agrees to teach a bullied boy karate and shows him that there is more to the martial art than fighting.',
11 genres: [ 'Action', 'Drama', 'Family' ],
12 title: 'The Karate Kid',
13 year: 1984,
14 score: 0.7929348349571228
15 },
16 {
17 plot: 'A young martial artist embarks on an adventure, encountering other martial artists in battle until one day he meets an aging blind man who will show him the true meaning of martial arts and life.',
18 genres: [ 'Action', 'Adventure', 'Fantasy' ],
19 title: 'Circle of Iron',
20 year: 1978,
21 score: 0.7852014899253845
22 },
23 {
24 plot: 'A lionized account of the life of the martial arts superstar.',
25 genres: [ 'Action', 'Biography', 'Drama' ],
26 title: 'Dragon: The Bruce Lee Story',
27 year: 1993,
28 score: 0.7763040661811829
29 },
30 {
31 plot: 'A martial arts instructor from the police force gets imprisoned after killing a man by accident. But when a vicious killer starts targeting martial arts masters, the instructor offers to help the police in return for his freedom.',
32 genres: [ 'Action', 'Thriller' ],
33 title: 'Kung Fu Killer',
34 year: 2014,
35 score: 0.7731232643127441
36 },
37 {
38 plot: 'A young woman is trained by a martial arts specialist to become a professional assassin.',
39 genres: [ 'Action', 'Crime', 'Romance' ],
40 title: 'Naked Killer',
41 year: 1992,
42 score: 0.7693743109703064
43 },
44 {
45 plot: 'The life of the greatest karate master of a generation.',
46 genres: [ 'Documentary', 'Action', 'History' ],
47 title: 'The Real Miyagi',
48 year: 2015,
49 score: 0.768799901008606
50 },
51 {
52 plot: 'At his new high school, a rebellious teen is lured into an underground fight club, where he finds a mentor in a mixed martial arts veteran.',
53 genres: [ 'Action', 'Drama', 'Sport' ],
54 title: 'Never Back Down',
55 year: 2008,
56 score: 0.768179714679718
57 },
58 {
59 plot: 'Three young martial arts masters emerge from the back streets of Hong Kong to help the powerless fight injustice.',
60 genres: [ 'Action', 'Drama' ],
61 title: 'Dragon Tiger Gate',
62 year: 2006,
63 score: 0.7679706811904907
64 },
65 {
66 year: 2001,
67 plot: 'A young Shaolin follower reunites with his discouraged brothers to form a soccer team using their martial art skills to their advantage.',
68 genres: [ 'Action', 'Comedy', 'Sport' ],
69 title: 'Shaolin Soccer',
70 score: 0.7660527229309082
71 }
72]
73
1
2

As queries a seguir usam o estágio do pipeline $vectorSearch para pesquisar filmes que correspondam às incorporações de vetor especificadas. Note que as queries utilizam a incorporação ada-002-text, que é o mesmo que o vetor incorporação no campo plot_embedding. As queries especificam uma pesquisa para até 100 vizinhos mais próximos e limitam os resultados somente para 10 documentos. As consultas também especificam um estágio $project para executar as seguintes ações:

  • Exclua o campo _id e inclua somente os campos title, genres, plot e year nos resultados.

  • Adicionar um campo chamado score que exibe a pontuação da pesquisa vetorial para cada documento nos resultados.

A query a seguir pesquisa o campo plot_embedding usando as incorporações vetoriais para o heist histórico de strings. A query utiliza a incorporação ada-002-text, que é o mesmo que a incorporação do vetor no campo plot_embedding. Ela especifica vários operadores de query de comparação por campo para pré-filtrar os documentos nos quais executar a pesquisar semântica.

O filtro usa o operador de pipeline de agregação $and para localizar documentos de filme que correspondam aos seguintes critérios:

  • Filtre pelo campo genres para encontrar filmes que não estão no gênero drama, western ou crime, mas sim no gênero action, adventure ou family.

  • Filtre pelo campo year para encontrar filmes que foram lançados entre os anos 1960 e 2000.

1package main
2
3import (
4 "context"
5 "fmt"
6 "log"
7
8 "go.mongodb.org/mongo-driver/bson"
9 "go.mongodb.org/mongo-driver/mongo"
10 "go.mongodb.org/mongo-driver/mongo/options"
11)
12
13func main() {
14 ctx := context.Background()
15
16 // Replace the placeholder with your Atlas connection string
17 const uri = "<connection-string>"
18
19 // Connect to your Atlas cluster
20 clientOptions := options.Client().ApplyURI(uri)
21 client, err := mongo.Connect(ctx, clientOptions)
22 if err != nil {
23 log.Fatalf("failed to connect to the server: %v", err)
24 }
25 defer func() { _ = client.Disconnect(ctx) }()
26
27 // Set the namespace
28 coll := client.Database("sample_mflix").Collection("embedded_movies")
29
30 queryVector := [1536]float64{
31 -0.020156775, -0.024996493, 0.010778184, -0.030058576, -0.03309321, 0.0031229265, -0.022772837, 0.0028351594, 0.00036870153, -0.02820117, 0.016245758, 0.0036232488, 0.0020519753, -0.0076454473, 0.0073380596, -0.007377301, 0.039267123, -0.013433489, 0.01428371, -0.017279103, -0.028358135, 0.0020160044, 0.00856761, 0.009653277, 0.0107912645, -0.026683854, 0.009594415, -0.020182934, 0.018077003, -0.015709465, 0.003310956, 0.0014878864, -0.015971072, -0.002411684, -0.029561523, -0.030450987, -0.013106481, -0.005385822, -0.018652538, 0.012642129, -0.005189617, 0.018835662, -0.0048102876, -0.0261214, -0.016167276, -0.007972456, 0.0023381072, -0.010058766, -0.009012341, 0.008358325, 0.018665617, 0.02163485, -0.012975678, -0.010745483, -0.002571918, -0.014479915, 0.007226877, 0.015003128, 0.013165343, -0.028279653, 0.0053727417, -0.020588424, -0.017383745, 0.023518417, 0.01262905, -0.011922712, 0.007638907, -0.0073249796, -0.014859244, -0.00001101736, 0.017043658, 0.010111088, 0.0074623227, 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-0.035264544, 0.0027959184, 0.012982218, -0.012609429, 0.0065270797, 0.010712783,
32 }
33
34 genresFilterCondition := bson.D{
35 {"$and", bson.A{
36 bson.D{{"genres", bson.D{{"$nin", bson.A{"Drama", "Western", "Crime"}}}}},
37 bson.D{{"genres", bson.D{{"$in", bson.A{"Action", "Adventure", "Family"}}}}},
38 }}}
39
40 yearFilterCondition := bson.D{
41 {"$and", bson.A{
42 bson.D{{"year", bson.D{{"$gte", 1960}}}},
43 bson.D{{"year", bson.D{{"$lte", 2000}}}},
44 }},
45 }
46
47 filter := bson.D{{"$and", bson.A{
48 genresFilterCondition, yearFilterCondition,
49 }},
50 }
51
52 vectorSearchStage := bson.D{
53 {"$vectorSearch", bson.D{
54 {"index", "vector_index"},
55 {"path", "plot_embedding"},
56 {"filter", filter},
57 {"queryVector", queryVector},
58 {"numCandidates", 200},
59 {"limit", 10},
60 }},
61 }
62
63 projectStage := bson.D{
64 {"$project", bson.D{
65 {"_id", 0},
66 {"plot", 1},
67 {"title", 1},
68 {"genres", 1},
69 {"year", 1},
70 {"score", bson.D{{"$meta", "vectorSearchScore"}}},
71 }}}
72
73 cursor, err := coll.Aggregate(ctx, mongo.Pipeline{vectorSearchStage, projectStage})
74 if err != nil {
75 log.Fatalf("failed to retrieve data from the server: %v", err)
76 }
77 // display the results
78 type ProjectedMovieResult struct {
79 Title string `bson:"title"`
80 Plot string `bson:"plot"`
81 Genres []string `bson:"genres"`
82 Year int32 `bson:"year"`
83 Score float64 `bson:"score"`
84 }
85
86 var results []ProjectedMovieResult
87 if err = cursor.All(ctx, &results); err != nil {
88 log.Fatalf("failed to unmarshal results to ProjectedMovieResult objects: %v", err)
89 }
90 for _, result := range results {
91 fmt.Printf("Title: %v \nPlot: %v \nGenres: %v \nYear: %v \nScore: %v \n\n", result.Title, result.Plot, result.Genres, result.Year, result.Score)
92 }
93}

A query a seguir pesquisa o campo plot_embedding usando os embeddings vetoriais para a string martial arts. A query utiliza a incorporação ada-002-text, que é o mesmo que a incorporação do vetor no campo plot_embedding. Ela especifica operadores de pipeline de agregação e de query de comparação para demonstrar um uso combinado dos operadores para filtrar os dados.

O filtro usa o operador de pipeline de agregação $or para localizar documentos de filme que correspondam a um dos seguintes critérios:

  • Filtre pelo campo genres para encontrar filmes que não são do gênero crime .

  • Filtre pelo campo year para encontrar filmes lançados no ano 2015 ou antes e pelo campo genres para encontrar filmes do gênero action .

1package main
2
3import (
4 "context"
5 "fmt"
6 "log"
7
8 "go.mongodb.org/mongo-driver/bson"
9 "go.mongodb.org/mongo-driver/mongo"
10 "go.mongodb.org/mongo-driver/mongo/options"
11)
12
13func main() {
14 ctx := context.Background()
15
16 // Replace the placeholder with your Atlas connection string
17 const uri = "<connection-string>"
18
19 // Connect to your Atlas cluster
20 clientOptions := options.Client().ApplyURI(uri)
21 client, err := mongo.Connect(ctx, clientOptions)
22 if err != nil {
23 log.Fatalf("failed to connect to the server: %v", err)
24 }
25 defer func() { _ = client.Disconnect(ctx) }()
26
27 // Set the namespace
28 coll := client.Database("sample_mflix").Collection("embedded_movies")
29
30 queryVector := [1536]float64{
31 -0.016465975, -0.0036450154, 0.001644484, -0.028249683, -0.02077106, 0.00031438665, -0.02351539, -0.017519485, -0.0025362284, -0.038888834, 0.023489377, 0.022695992, 0.009481592, 0.009995341, -0.0043506073, -0.0021297815, 0.033972453, 0.00070193375, 0.007335553, -0.017909674, 0.015191358, 0.015360439, -0.00020505243, -0.023801528, -0.013539557, -0.0015290531, 0.009631164, -0.026493832, -0.0245689, -0.02481602, 0.02832772, -0.012473041, -0.006538917, -0.021707514, -0.01676512, -0.005865841, 0.010359517, -0.013246916, 0.014710125, 0.0060869483, 0.016192842, 0.0026484078, 0.002417546, -0.007764761, -0.0053781047, 0.0016843157, 0.009071894, 0.0026158919, -0.016465975, 0.019054228, 0.030720878, 0.028145632, -0.0124340225, -0.011491066, -0.01273967, -0.0076542073, 0.00685432, 0.002936172, 0.03194347, -0.030798918, -0.004961903, 0.012661632, -0.024646938, 0.0085256295, -0.01133499, 0.016648063, -0.017857648, 0.01627088, -0.020823086, -0.002233832, 0.008330535, 0.024894057, 0.008558145, 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-0.006984383, -0.02586953, 0.005108224, 0.02432178, 0.00885729, 0.0023297535, 0.007166471, -0.0021281557, -0.0052740546, -0.0035149525, 0.014085822, 0.00063893443, 0.031215118, -0.00425306, 0.014202879, -0.018351888, -0.0032158075, -0.0055081677, 0.003999437, -0.0017753599, 0.022748018, -0.023684472, -0.007946849, -0.019145273, -0.022487892, 0.018247837, -0.004535947, 0.008993856, -0.0043018335, 0.005498413, -0.0022647218, -0.023112195, 0.0055114194, 0.008818271, -0.00536835, 0.022604948, -0.020406883, -0.024386812, -0.014931232, 0.01761053, 0.0037588205, -0.0034986946, 0.01831287, 0.036001436, -0.000008446474, -0.024907064, -0.0036612733, -0.011725179, 0.023047162, -0.029758412, -0.014554049, -0.012934765, 0.015412465, 0.021850582, -0.011523581, -0.0022858572, -0.0040742233, -0.0056187212, 0.010307493, -0.019184291, 0.005192765, 0.008018384, 0.022722006, -0.0058138156, 0.03771827, 0.01028148, 0.029212149, -0.0054366332, 0.0014079319, -0.0009974206, 0.011627631, 0.026480826, 0.0025346025, 0.018937172, 0.0085971635, -0.012395004, 0.011608122, 0.00065397297, 0.040085416, 0.008883302, -0.0013339586, -0.0064413697, -0.007296534, 0.0028467537, -0.092917, -0.00801188, 0.016192842, 0.027469303, -0.033166062, 0.017662555, -0.002692304, 0.036079474, -0.0144760115, 0.020445902, -0.00036641184, -0.018442933, -0.008493113, -0.01476215, 0.018703058, 0.001552627, 0.0065876907, -0.017974706, -0.0076542073, 0.022149729, -0.010066876, 0.004932639, -0.0061292187, 0.0016436711, -0.007959855, 0.0031393955, -0.0324117, 0.037093967, 0.007114446, 0.019821601, -0.016518, -0.0034596757, 0.021668496, -0.03332214, 0.012785193, -0.007810283, -0.018833121, -0.0029963262, 0.0210572, -0.019392392, 0.0021135237, 0.015685597, 0.013116853, -0.027495317, 0.011250449, -0.0071924836, -0.019106254, 0.0107562095, 0.014007784, -0.034492705, -0.03394644, -0.024750987, -0.041047882, -0.006685238, 0.0068868357, 0.008694711, 0.019093247, 0.01261611, -0.009748221, -0.0027394518, 0.014918226, -0.0032710843, -0.0044936766, 0.01546449, 0.018208819, 0.004288827, -0.021538433, -0.026897028, 0.023879565, -0.018299863, -0.012245431, 0.015516515, -0.040891804, -0.011816223, -0.02221476, 0.012082852, -0.02417871, -0.009338523, 0.010047366, -0.027079115, -0.016010754, -0.021863589, -0.004305085, -0.027261203, 0.024100672, 0.000711282, 0.001071394, -0.0037263047, -0.007829792, -0.0049456456, -0.021603463, 0.03274986, 0.01866404, -0.032567773, -0.0044318964, 0.017935688, 0.018638028, -0.015282402, -0.009377542, 0.03012259, 0.015178352, -0.004792821, -0.048305396, 0.007075427, 0.020784067, 0.010678172, 0.0019509449, 0.0045684627, 0.02242286, -0.011374009, 0.024477856, -0.0021736778, -0.021291312, -0.009188951, 0.02692304, -0.0038628709, -0.02442583, -0.029394237, 0.019054228, 0.01606278, -0.0035051976, -0.00012284856, 0.01911926, 0.0088768, 0.007036408, 0.0015461239, -0.0030711126, 0.0034629272, -0.015152339, 0.02097916, -0.031163093, 0.0061909985, 0.012694148, -0.021902608, -0.030044552, 0.031553283, 0.0002003783, -0.037119977, 0.0003367412, 0.015347433, 0.003105254, 0.034102518, 0.001911926, -0.008102925, 0.0003306445, 0.011647142, -0.004288827, 0.019665524, -0.011907267, 0.01391674, 0.0014428863, -0.01655702, -0.0020387375, 0.009975832, -0.0009982334, -0.018586002, -0.0137606645, -0.031787395, 0.02481602, 0.0059308726, -0.0011941409, -0.009598649, 0.0126811415, 0.015828667, -0.0058918535, -0.0040807263, -0.00406772, -0.0015233628, -0.01402079, -0.0052577965, 0.0018290109, -0.018182807, -0.014736137, 0.014423986, -0.001820882, -0.013799684, 0.0029085337, 0.009949819, 0.02407466, 0.01992565, -0.01986062, 0.02892601, 0.0029768168, 0.00044018193, -0.012882739, 0.022487892, 0.0061682374, 0.014528036, 0.0021785551, 0.006304804, 0.0010722068, -0.0075696665, -0.0040417076, 0.0097937435, -0.01216089, -0.0044026324, -0.018494958, 0.053898104, -0.0037100469, -0.013929747, 0.0210572, 0.014293923, 0.028613858, -0.005791055, -0.008863793, -0.021668496, 0.0011803217, 0.0053781047, -0.020588972, -0.030304678, -0.015893698, -0.0041295, 0.04705679, 0.020198783, -0.007010395, 0.0039344057, 0.00019905735, 0.010587128, 0.0026549108, -0.015165345, -0.023996623, 0.01476215, -0.0021200269, 0.0458342, 0.02221476, -0.021174256, 0.009000359, 0.027573355, -0.007634698, -0.0053520924, -0.0032190592, 0.010196939, 0.014033797, 0.01203733, -0.032307647, -0.00873373, -0.016609045, -0.014593068, -0.014658099, 0.015828667, -0.024087666, 0.03043474, -0.0020598727, 0.006327565, 0.0019850864, -0.004236802, 0.015932716, 0.00049139425, -0.0023232503, -0.018351888, -0.025466334, -0.010457065, -0.00039587924, 0.0017330894, -0.024334786, -0.018599007, -0.0031442728, -0.030564804, 0.036807828, 0.0051895133, -0.015620566, 0.020680016, 0.021239286, 0.019171285, -0.00803139, -0.027963543, -0.0049261358, 0.018429926, 0.011217933, -0.015984742, -0.020575965, -0.007472119, -0.0071924836, -0.035975423, -0.028405758, 0.027573355, 0.0015770138, -0.009279994, -0.007634698, 0.007810283, 0.039929338, -0.029186135, 0.025245227, -0.02446485, -0.011770701, 0.009611655, -0.0033718832, -0.015451483, 0.007829792, -0.018403914,
32 }
33
34 genresFilterCondition := bson.D{{"genres", bson.D{{"$ne", "Crime"}}}}
35
36 yearAndGenresFilterCondition := bson.D{
37 {"$and", bson.A{
38 bson.D{{"year", bson.D{{"$lte", 2015}}}},
39 bson.D{{"genres", bson.D{{"$eq", "Action"}}}},
40 }},
41 }
42
43 filter := bson.D{{"$or", bson.A{
44 genresFilterCondition, yearAndGenresFilterCondition,
45 }},
46 }
47
48 vectorSearchStage := bson.D{
49 {"$vectorSearch", bson.D{
50 {"index", "vector_index"},
51 {"path", "plot_embedding"},
52 {"filter", filter},
53 {"queryVector", queryVector},
54 {"numCandidates", 200},
55 {"limit", 10},
56 }},
57 }
58
59 projectStage := bson.D{
60 {"$project", bson.D{
61 {"_id", 0},
62 {"plot", 1},
63 {"title", 1},
64 {"genres", 1},
65 {"year", 1},
66 {"score", bson.D{{"$meta", "vectorSearchScore"}}},
67 }}}
68
69 cursor, err := coll.Aggregate(ctx, mongo.Pipeline{vectorSearchStage, projectStage})
70 if err != nil {
71 log.Fatalf("failed to retrieve data from the server: %v", err)
72 }
73 // display the results
74 type ProjectedMovieResult struct {
75 Title string `bson:"title"`
76 Plot string `bson:"plot"`
77 Genres []string `bson:"genres"`
78 Year int32 `bson:"year"`
79 Score float64 `bson:"score"`
80 }
81
82 var results []ProjectedMovieResult
83 if err = cursor.All(ctx, &results); err != nil {
84 log.Fatalf("failed to unmarshal results to ProjectedMovieResult objects: %v", err)
85 }
86 for _, result := range results {
87 fmt.Printf("Title: %v \nPlot: %v \nGenres: %v \nYear: %v \nScore: %v \n\n", result.Title, result.Plot, result.Genres, result.Year, result.Score)
88 }
89}
3

Certifique-se de que sua cadeia de conexão inclui as credenciais do usuário do banco de dados. Para saber mais, consulte Conectar via Drivers.

4
go run AtlasVectorSearchTutorial.go
1Title: Cliffhanger
2Plot: A botched mid-air heist results in suitcases full of cash being searched for by various groups throughout the Rocky Mountains.
3Genres: [Action Adventure Thriller]
4Year: 1993
5Score: 0.7694521546363831
6
7Title: It's a Mad, Mad, Mad, Mad World
8Plot: The dying words of a thief spark a madcap cross-country rush to find some treasure.
9Genres: [Action Adventure Comedy]
10Year: 1963
11Score: 0.7638954520225525
12
13Title: Hudson Hawk
14Plot: A cat burglar is forced to steal Da Vinci works of art for a world domination plot.
15Genres: [Action Adventure Comedy]
16Year: 1991
17Score: 0.7538407444953918
18
19Title: Escape from New York
20Plot: In 1997, when the US President crashes into Manhattan, now a giant maximum security prison, a convicted bank robber is sent in for a rescue.
21Genres: [Action Sci-Fi]
22Year: 1981
23Score: 0.7487208843231201
24
25Title: The Romanov Stones
26Plot: Patrick and Tony are hired by the wealthy gambler to steal the priceless Romanov stones, Russian jewels. They do it, but almost lose their lives when he double-crosses them. They turn around and get revenge.
27Genres: [Action Thriller]
28Year: 1993
29Score: 0.7467736005783081
30
31Title: Crime Busters
32Plot: An attempted robbery turns to be an unexpected recruitment when two unemployed men mistakenly break into a police office instead of a store.
33Genres: [Action Comedy Adventure]
34Year: 1977
35Score: 0.7437351942062378
36
37Title: Three Kings
38Plot: In the aftermath of the Persian Gulf War, 4 soldiers set out to steal gold that was stolen from Kuwait, but they discover people who desperately need their help.
39Genres: [Action Adventure Comedy]
40Year: 1999
41Score: 0.7425670623779297
42
43Title: Black Moon Rising
44Plot: A professional thief is hired by the FBI to steal a data tape from a company under investigation. The analysis of this tape, will prove the criminal activities of this company. As this ...
45Genres: [Action Sci-Fi Thriller]
46Year: 1986
47Score: 0.7397696375846863
48
49Title: Deep Rising
50Plot: A group of heavily armed hijackers board a luxury ocean liner in the South Pacific Ocean to loot it, only to do battle with a series of large-sized, tentacled, man-eating sea creatures who have taken over the ship first.
51Genres: [Action Adventure Horror]
52Year: 1998
53Score: 0.7392246127128601
54
55Title: That Man from Rio
56Plot: A young man comes to the rescue of his girlfriend abducted by thieves and brought to Rio. An extravagant adventure ensues.
57Genres: [Action Adventure Comedy]
58Year: 1964
59Score: 0.7357995510101318
go run AtlasVectorSearchTutorial.go
1Title: Ong-bak 2
2Plot: A young Thai boxer learns the skills and inner meaning of martial arts.
3Genres: [Action]
4Year: 2008
5Score: 0.7976737022399902
6
7Title: The Karate Kid
8Plot: A handyman/martial arts master agrees to teach a bullied boy karate and shows him that there is more to the martial art than fighting.
9Genres: [Action Drama Family]
10Year: 1984
11Score: 0.7929348349571228
12
13Title: Circle of Iron
14Plot: A young martial artist embarks on an adventure, encountering other martial artists in battle until one day he meets an aging blind man who will show him the true meaning of martial arts and life.
15Genres: [Action Adventure Fantasy]
16Year: 1978
17Score: 0.7852014899253845
18
19Title: Dragon: The Bruce Lee Story
20Plot: A lionized account of the life of the martial arts superstar.
21Genres: [Action Biography Drama]
22Year: 1993
23Score: 0.7763040661811829
24
25Title: Kung Fu Killer
26Plot: A martial arts instructor from the police force gets imprisoned after killing a man by accident. But when a vicious killer starts targeting martial arts masters, the instructor offers to help the police in return for his freedom.
27Genres: [Action Thriller]
28Year: 2014
29Score: 0.7731232643127441
30
31Title: Naked Killer
32Plot: A young woman is trained by a martial arts specialist to become a professional assassin.
33Genres: [Action Crime Romance]
34Year: 1992
35Score: 0.7693743109703064
36
37Title: The Real Miyagi
38Plot: The life of the greatest karate master of a generation.
39Genres: [Documentary Action History]
40Year: 2015
41Score: 0.768799901008606
42
43Title: Never Back Down
44Plot: At his new high school, a rebellious teen is lured into an underground fight club, where he finds a mentor in a mixed martial arts veteran.
45Genres: [Action Drama Sport]
46Year: 2008
47Score: 0.768179714679718
48
49Title: Dragon Tiger Gate
50Plot: Three young martial arts masters emerge from the back streets of Hong Kong to help the powerless fight injustice.
51Genres: [Action Drama]
52Year: 2006
53Score: 0.7679706811904907
54
55Title: Shaolin Soccer
56Plot: A young Shaolin follower reunites with his discouraged brothers to form a soccer team using their martial art skills to their advantage.
57Genres: [Action Comedy Sport]
58Year: 2001
59Score: 0.7660527229309082
1
2

As queries a seguir usam o estágio do pipeline $vectorSearch para pesquisar filmes que correspondam às incorporações de vetor especificadas. Note que as queries utilizam a incorporação ada-002-text, que é o mesmo que o vetor incorporação no campo plot_embedding. As queries especificam uma pesquisa para até 100 vizinhos mais próximos e limitam os resultados somente para 10 documentos. As consultas também especificam um estágio $project para executar as seguintes ações:

  • Exclua o campo _id e inclua somente os campos title, genres, plot e year nos resultados.

  • Adicionar um campo chamado score que exibe a pontuação da pesquisa vetorial para cada documento nos resultados.

A query a seguir pesquisa o campo plot_embedding usando as incorporações vetoriais para o heist histórico de strings. A query utiliza a incorporação ada-002-text, que é o mesmo que a incorporação do vetor no campo plot_embedding. Ela especifica vários operadores de query de comparação por campo para pré-filtrar os documentos nos quais executar a pesquisar semântica.

O filtro usa o operador de pipeline de agregação $and para localizar documentos de filme que correspondam aos seguintes critérios:

  • Filtre pelo campo genres para encontrar filmes que não estão no gênero drama, western ou crime, mas sim no gênero action, adventure ou family.

  • Filtre pelo campo year para encontrar filmes que foram lançados entre os anos 1960 e 2000.

1import static com.mongodb.client.model.Aggregates.*;
2import static com.mongodb.client.model.Projections.*;
3import static com.mongodb.client.model.search.SearchPath.fieldPath;
4import static java.util.Arrays.asList;
5
6import com.mongodb.client.MongoClient;
7import com.mongodb.client.MongoClients;
8import com.mongodb.client.MongoCollection;
9import com.mongodb.client.MongoDatabase;
10import com.mongodb.client.model.*;
11import com.mongodb.client.model.search.VectorSearchOptions;
12import java.util.Arrays;
13import java.util.List;
14import com.mongodb.client.model.search.FieldSearchPath;
15import org.bson.Document;
16import org.bson.conversions.Bson;
17
18public class AtlasVectorSearchTutorial {
19 public static void main( String[] args ) {
20 // specify connection
21 String uri = "<connection-string>";
22
23 // establish connection and set namespace
24 try (MongoClient mongoClient = MongoClients.create(uri)) {
25 MongoDatabase database = mongoClient.getDatabase("sample_mflix");
26 MongoCollection<Document> collection = database.getCollection("embedded_movies");
27
28 // define $vectorSearch query options
29 List<Double> queryVector = (asList(-0.020156775, -0.024996493, 0.010778184, -0.030058576, -0.03309321, 0.0031229265, -0.022772837, 0.0028351594, 0.00036870153, -0.02820117, 0.016245758, 0.0036232488, 0.0020519753, -0.0076454473, 0.0073380596, -0.007377301, 0.039267123, -0.013433489, 0.01428371, -0.017279103, -0.028358135, 0.0020160044, 0.00856761, 0.009653277, 0.0107912645, -0.026683854, 0.009594415, -0.020182934, 0.018077003, -0.015709465, 0.003310956, 0.0014878864, -0.015971072, -0.002411684, -0.029561523, -0.030450987, -0.013106481, -0.005385822, -0.018652538, 0.012642129, -0.005189617, 0.018835662, -0.0048102876, -0.0261214, -0.016167276, -0.007972456, 0.0023381072, -0.010058766, -0.009012341, 0.008358325, 0.018665617, 0.02163485, -0.012975678, -0.010745483, -0.002571918, -0.014479915, 0.007226877, 0.015003128, 0.013165343, -0.028279653, 0.0053727417, -0.020588424, -0.017383745, 0.023518417, 0.01262905, -0.011922712, 0.007638907, -0.0073249796, -0.014859244, -0.00001101736, 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-0.024290156, 0.012864495, -0.00937859, -0.035264544, 0.0027959184, 0.012982218, -0.012609429, 0.0065270797, 0.010712783));
30 String indexName = "vector_index";
31 FieldSearchPath fieldSearchPath = fieldPath("plot_embedding");
32 int numCandidates = 200;
33 int limit = 10;
34 List<String> genresNotInCriteria = Arrays.asList("Drama", "Western", "Crime");
35 List<String> genresInCriteria = Arrays.asList("Action", "Adventure", "Family");
36 Bson criteria = Filters.and(
37 Filters.nin("genres", genresNotInCriteria),
38 Filters.in("genres", genresInCriteria),
39 Filters.gte("year", 1960),
40 Filters.lte("year", 2000));
41 VectorSearchOptions options = VectorSearchOptions
42 .approximateVectorSearchOptions(numCandidates)
43 .filter(criteria);
44
45 // define pipeline
46 List<Bson> pipeline = asList(
47 vectorSearch(
48 fieldSearchPath,
49 queryVector,
50 indexName,
51 limit,
52 options),
53 project(
54 fields(exclude("_id"), include("title"), include("plot"), include("year"),
55 include("genres"), metaVectorSearchScore("score"))));
56
57 // run query and print results
58 collection.aggregate(pipeline)
59 .forEach(doc -> System.out.println(doc.toJson()));
60 }
61 }
62}

A query a seguir pesquisa o campo plot_embedding usando os embeddings vetoriais para a string martial arts. A query utiliza a incorporação ada-002-text, que é o mesmo que a incorporação do vetor no campo plot_embedding. Ela especifica operadores de pipeline de agregação e de query de comparação para demonstrar um uso combinado dos operadores para filtrar os dados.

O filtro usa o operador de pipeline de agregação $or para localizar documentos de filme que correspondam a um dos seguintes critérios:

  • Filtre pelo campo genres para encontrar filmes que não são do gênero crime .

  • Filtre pelo campo year para encontrar filmes lançados no ano 2015 ou antes e pelo campo genres para encontrar filmes do gênero action .

1import static com.mongodb.client.model.Aggregates.*;
2import static com.mongodb.client.model.Projections.*;
3import static com.mongodb.client.model.search.SearchPath.fieldPath;
4import static java.util.Arrays.asList;
5
6import com.mongodb.client.MongoClient;
7import com.mongodb.client.MongoClients;
8import com.mongodb.client.MongoCollection;
9import com.mongodb.client.MongoDatabase;
10import com.mongodb.client.model.*;
11import com.mongodb.client.model.search.VectorSearchOptions;
12import java.util.List;
13import com.mongodb.client.model.search.FieldSearchPath;
14import org.bson.Document;
15import org.bson.conversions.Bson;
16
17public class AtlasVectorSearchTutorial {
18 public static void main( String[] args ) {
19 // specify connection
20 String uri = "<connection-string>";
21
22 // establish connection and set namespace
23 try (MongoClient mongoClient = MongoClients.create(uri)) {
24 MongoDatabase database = mongoClient.getDatabase("sample_mflix");
25 MongoCollection<Document> collection = database.getCollection("embedded_movies");
26
27 // define $vectorSearch query options
28 List<Double> queryVector = 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29 String indexName = "vector_index";
30 FieldSearchPath fieldSearchPath = fieldPath("plot_embedding");
31 int numCandidates = 200;
32 int limit = 10;
33 Bson criteria = Filters.or(
34 Filters.lte("year", 2015),
35 Filters.and(
36 Filters.lte("year", 2015),
37 Filters.eq("genres", "Action")));
38 VectorSearchOptions options = VectorSearchOptions
39 .approximateVectorSearchOptions(numCandidates)
40 .filter(criteria);
41
42 // define pipeline
43 List<Bson> pipeline = asList(
44 vectorSearch(
45 fieldSearchPath,
46 queryVector,
47 indexName,
48 limit,
49 options),
50 project(
51 fields(exclude("_id"), include("title"), include("plot"), include("year"),
52 include("genres"), metaVectorSearchScore("score"))));
53
54 // run query and print results
55 collection.aggregate(pipeline)
56 .forEach(doc -> System.out.println(doc.toJson()));
57 }
58 }
59}
3

Certifique-se de que sua cadeia de conexão inclui as credenciais do usuário do banco de dados. Para saber mais, consulte Conectar via Drivers.

4
javac AtlasVectorSearchTutorial.java
java AtlasVectorSearchTutorial
1{
2 "year": 1993,
3 "plot": "A botched mid-air heist results in suitcases full of cash being searched for by various groups throughout the Rocky Mountains.",
4 "genres": ["Action", "Adventure", "Thriller"],
5 "title": "Cliffhanger",
6 "score": 0.7694521546363831
7}
8{
9 "plot": "The dying words of a thief spark a madcap cross-country rush to find some treasure.",
10 "genres": ["Action", "Adventure", "Comedy"],
11 "title": "It's a Mad, Mad, Mad, Mad World",
12 "year": 1963,
13 "score": 0.7638954520225525
14}
15{
16 "year": 1991,
17 "plot": "A cat burglar is forced to steal Da Vinci works of art for a world domination plot.",
18 "genres": ["Action", "Adventure", "Comedy"],
19 "title": "Hudson Hawk",
20 "score": 0.7538407444953918
21}
22{
23 "plot": "In 1997, when the US President crashes into Manhattan, now a giant maximum security prison, a convicted bank robber is sent in for a rescue.",
24 "genres": ["Action", "Sci-Fi"],
25 "title": "Escape from New York",
26 "year": 1981,
27 "score": 0.7487208843231201
28}
29{
30 "plot": "Patrick and Tony are hired by the wealthy gambler to steal the priceless Romanov stones, Russian jewels. They do it, but almost lose their lives when he double-crosses them. They turn around and get revenge.",
31 "genres": ["Action", "Thriller"],
32 "title": "The Romanov Stones",
33 "year": 1993,
34 "score": 0.7467736005783081
35}
36{
37 "plot": "An attempted robbery turns to be an unexpected recruitment when two unemployed men mistakenly break into a police office instead of a store.",
38 "genres": ["Action", "Comedy", "Adventure"],
39 "title": "Crime Busters",
40 "year": 1977,
41 "score": 0.7437351942062378
42}
43{
44 "plot": "In the aftermath of the Persian Gulf War, 4 soldiers set out to steal gold that was stolen from Kuwait, but they discover people who desperately need their help.",
45 "genres": ["Action", "Adventure", "Comedy"],
46 "title": "Three Kings",
47 "year": 1999,
48 "score": 0.7425670623779297
49}
50{
51 "plot": "A professional thief is hired by the FBI to steal a data tape from a company under investigation. The analysis of this tape, will prove the criminal activities of this company. As this ...",
52 "genres": ["Action", "Sci-Fi", "Thriller"],
53 "title": "Black Moon Rising",
54 "year": 1986,
55 "score": 0.7397696375846863
56}
57{
58 "plot": "A group of heavily armed hijackers board a luxury ocean liner in the South Pacific Ocean to loot it, only to do battle with a series of large-sized, tentacled, man-eating sea creatures who have taken over the ship first.",
59 "genres": ["Action", "Adventure", "Horror"],
60 "title": "Deep Rising",
61 "year": 1998,
62 "score": 0.7392246127128601
63}
64{
65 "plot": "A young man comes to the rescue of his girlfriend abducted by thieves and brought to Rio. An extravagant adventure ensues.",
66 "genres": ["Action", "Adventure", "Comedy"],
67 "title": "That Man from Rio",
68 "year": 1964,
69 "score": 0.7357995510101318
70}
javac AtlasVectorSearchTutorial.java
java AtlasVectorSearchTutorial
1{
2 "year": 2008,
3 "plot": "A young Thai boxer learns the skills and inner meaning of martial arts.",
4 "genres": ["Action"],
5 "title": "Ong-bak 2",
6 "score": 0.7976737022399902
7}
8{
9 "plot": "A handyman/martial arts master agrees to teach a bullied boy karate and shows him that there is more to the martial art than fighting.",
10 "genres": ["Action", "Drama", "Family"],
11 "title": "The Karate Kid",
12 "year": 1984,
13 "score": 0.7929348349571228
14}
15{
16 "plot": "A young martial artist embarks on an adventure, encountering other martial artists in battle until one day he meets an aging blind man who will show him the true meaning of martial arts and life.",
17 "genres": ["Action", "Adventure", "Fantasy"],
18 "title": "Circle of Iron",
19 "year": 1978,
20 "score": 0.7852014899253845
21}
22{
23 "plot": "A lionized account of the life of the martial arts superstar.",
24 "genres": ["Action", "Biography", "Drama"],
25 "title": "Dragon: The Bruce Lee Story",
26 "year": 1993,
27 "score": 0.7763040661811829
28}
29{
30 "plot": "A martial arts instructor from the police force gets imprisoned after killing a man by accident. But when a vicious killer starts targeting martial arts masters, the instructor offers to help the police in return for his freedom.",
31 "genres": ["Action", "Thriller"],
32 "title": "Kung Fu Killer",
33 "year": 2014,
34 "score": 0.7731232643127441
35}
36{
37 "plot": "A young woman is trained by a martial arts specialist to become a professional assassin.",
38 "genres": ["Action", "Crime", "Romance"],
39 "title": "Naked Killer",
40 "year": 1992,
41 "score": 0.7693743109703064
42}
43{
44 "plot": "The life of the greatest karate master of a generation.",
45 "genres": ["Documentary", "Action", "History"],
46 "title": "The Real Miyagi",
47 "year": 2015,
48 "score": 0.768799901008606
49}
50{
51 "plot": "At his new high school, a rebellious teen is lured into an underground fight club, where he finds a mentor in a mixed martial arts veteran.",
52 "genres": ["Action", "Drama", "Sport"],
53 "title": "Never Back Down",
54 "year": 2008,
55 "score": 0.768179714679718
56}
57{
58 "plot": "Three young martial arts masters emerge from the back streets of Hong Kong to help the powerless fight injustice.",
59 "genres": ["Action", "Drama"],
60 "title": "Dragon Tiger Gate",
61 "year": 2006,
62 "score": 0.7679706811904907
63}
64{
65 "year": 2001,
66 "plot": "A young Shaolin follower reunites with his discouraged brothers to form a soccer team using their martial art skills to their advantage.",
67 "genres": ["Action", "Comedy", "Sport"],
68 "title": "Shaolin Soccer",
69 "score": 0.7660527229309082
70}
1
2

As queries a seguir usam o estágio do pipeline $vectorSearch para pesquisar filmes que correspondam às incorporações de vetor especificadas. Note que as queries utilizam a incorporação ada-002-text, que é o mesmo que o vetor incorporação no campo plot_embedding. As queries especificam uma pesquisa para até 100 vizinhos mais próximos e limitam os resultados somente para 10 documentos. As consultas também especificam um estágio $project para executar as seguintes ações:

  • Exclua o campo _id e inclua somente os campos title, genres, plot e year nos resultados.

  • Adicionar um campo chamado score que exibe a pontuação da pesquisa vetorial para cada documento nos resultados.

A query a seguir pesquisa o campo plot_embedding usando as incorporações vetoriais para o heist histórico de strings. A query utiliza a incorporação ada-002-text, que é o mesmo que a incorporação do vetor no campo plot_embedding. Ela especifica vários operadores de query de comparação por campo para pré-filtrar os documentos nos quais executar a pesquisar semântica.

O filtro usa o operador de pipeline de agregação $and para localizar documentos de filme que correspondam aos seguintes critérios:

  • Filtre pelo campo genres para encontrar filmes que não estão no gênero drama, western ou crime, mas sim no gênero action, adventure ou family.

  • Filtre pelo campo year para encontrar filmes que foram lançados entre os anos 1960 e 2000.

1const { MongoClient } = require("mongodb");
2
3// connect to your Atlas cluster
4const uri = "<connection-string>";
5
6const client = new MongoClient(uri);
7
8async function run() {
9 try {
10 await client.connect();
11
12 // set namespace
13 const database = client.db("sample_mflix");
14 const coll = database.collection("embedded_movies");
15
16 // define pipeline
17 const agg = [
18 {
19 '$vectorSearch': {
20 'index': 'vector_index',
21 'path': 'plot_embedding',
22 'filter': {
23 '$and': [
24 {
25 'genres': {
26 '$nin': [
27 'Drama', 'Western', 'Crime'
28 ],
29 '$in': [
30 'Action', 'Adventure', 'Family'
31 ]
32 }
33 }, {
34 'year': {
35 '$gte': 1960,
36 '$lte': 2000
37 }
38 }
39 ]
40 },
41 'queryVector': [-0.020156775, -0.024996493, 0.010778184, -0.030058576, -0.03309321, 0.0031229265, -0.022772837, 0.0028351594, 0.00036870153, -0.02820117, 0.016245758, 0.0036232488, 0.0020519753, -0.0076454473, 0.0073380596, -0.007377301, 0.039267123, -0.013433489, 0.01428371, -0.017279103, -0.028358135, 0.0020160044, 0.00856761, 0.009653277, 0.0107912645, -0.026683854, 0.009594415, -0.020182934, 0.018077003, -0.015709465, 0.003310956, 0.0014878864, -0.015971072, -0.002411684, -0.029561523, -0.030450987, -0.013106481, -0.005385822, -0.018652538, 0.012642129, -0.005189617, 0.018835662, -0.0048102876, -0.0261214, -0.016167276, -0.007972456, 0.0023381072, -0.010058766, -0.009012341, 0.008358325, 0.018665617, 0.02163485, -0.012975678, -0.010745483, -0.002571918, -0.014479915, 0.007226877, 0.015003128, 0.013165343, -0.028279653, 0.0053727417, -0.020588424, -0.017383745, 0.023518417, 0.01262905, -0.011922712, 0.007638907, -0.0073249796, -0.014859244, -0.00001101736, 0.017043658, 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42 'numCandidates': 200,
43 'limit': 10
44 }
45 }, {
46 '$project': {
47 '_id': 0,
48 'title': 1,
49 'genres': 1,
50 'plot': 1,
51 'year': 1,
52 'score': {
53 '$meta': 'vectorSearchScore'
54 }
55 }
56 }
57 ];
58
59 // run pipeline
60 const result = coll.aggregate(agg);
61
62 // print results
63 await result.forEach((doc) => console.dir(JSON.stringify(doc)));
64 } finally {
65 await client.close();
66 }
67}
68run().catch(console.dir);

A query a seguir pesquisa o campo plot_embedding usando os embeddings vetoriais para a string martial arts. A query utiliza a incorporação ada-002-text, que é o mesmo que a incorporação do vetor no campo plot_embedding. Ela especifica operadores de pipeline de agregação e de query de comparação para demonstrar um uso combinado dos operadores para filtrar os dados.

O filtro usa o operador de pipeline de agregação $or para localizar documentos de filme que correspondam a um dos seguintes critérios:

  • Filtre pelo campo genres para encontrar filmes que não são do gênero crime .

  • Filtre pelo campo year para encontrar filmes lançados no ano 2015 ou antes e pelo campo genres para encontrar filmes do gênero action .

1const { MongoClient } = require("mongodb");
2
3// connect to your Atlas cluster
4const uri = "<connection-string>";
5
6const client = new MongoClient(uri);
7
8async function run() {
9 try {
10 await client.connect();
11
12 // set namespace
13 const database = client.db("sample_mflix");
14 const coll = database.collection("embedded_movies");
15
16 // define pipeline
17 const agg = [
18 {
19 '$vectorSearch': {
20 'index': 'vector_index',
21 'path': 'plot_embedding',
22 'filter': {
23 '$or': [
24 {
25 'genres': {
26 '$ne': 'Crime'
27 }
28 }, {
29 '$and': [
30 {
31 'year': {
32 '$lte': 2015
33 }
34 }, {
35 'genres': {
36 '$eq': 'Action'
37 }
38 }
39 ]
40 }
41 ]
42 },
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0.039929338, -0.029186135, 0.025245227, -0.02446485, -0.011770701, 0.009611655, -0.0033718832, -0.015451483, 0.007829792, -0.018403914],
44 'numCandidates': 200,
45 'limit': 10
46 }
47 }, {
48 '$project': {
49 '_id': 0,
50 'title': 1,
51 'genres': 1,
52 'plot': 1,
53 'released': 1,
54 'score': {
55 '$meta': 'vectorSearchScore'
56 }
57 }
58 }
59 ];
60
61 // run pipeline
62 const result = coll.aggregate(agg);
63
64 // print results
65 await result.forEach((doc) => console.dir(JSON.stringify(doc)));
66 } finally {
67 await client.close();
68 }
69}
70run().catch(console.dir);
3

Certifique-se de que sua cadeia de conexão inclui as credenciais do usuário do banco de dados. Para saber mais, consulte Conectar via Drivers.

4

Execute o seguinte comando para consultar sua collection:

node atlas-vector-search-tutorial.js
'{
"year":1993,
"plot":"A botched mid-air heist results in suitcases full of cash being searched for by various groups throughout the Rocky Mountains.",
"genres":["Action","Adventure","Thriller"],
"title":"Cliffhanger",
"score":0.7694521546363831
}'
`{
"plot":"The dying words of a thief spark a madcap cross-country rush to find some treasure.",
"genres":["Action","Adventure","Comedy"],
"title":"It's a Mad, Mad, Mad, Mad World",
"year":1963,
"score":0.7638954520225525
}`
'{
"year":1991,
"plot":"A cat burglar is forced to steal Da Vinci works of art for a world domination plot.",
"genres":["Action","Adventure","Comedy"],
"title":"Hudson Hawk",
"score":0.7538407444953918
}'
'{
"plot":"In 1997, when the US President crashes into Manhattan, now a giant maximum security prison, a convicted bank robber is sent in for a rescue.",
"genres":["Action","Sci-Fi"],
"title":"Escape from New York",
"year":1981,
"score":0.7487208843231201
}'
'{
"plot":"Patrick and Tony are hired by the wealthy gambler to steal the priceless Romanov stones, Russian jewels. They do it, but almost lose their lives when he double-crosses them. They turn around and get revenge.",
"genres":["Action","Thriller"],
"title":"The Romanov Stones",
"year":1993,
"score":0.7467736005783081
}'
'{
"plot":"An attempted robbery turns to be an unexpected recruitment when two unemployed men mistakenly break into a police office instead of a store.",
"genres":["Action","Comedy","Adventure"],
"title":"Crime Busters",
"year":1977,
"score":0.7437351942062378
}'
'{
"plot":"In the aftermath of the Persian Gulf War, 4 soldiers set out to steal gold that was stolen from Kuwait, but they discover people who desperately need their help.",
"genres":["Action","Adventure","Comedy"],
"title":"Three Kings",
"year":1999,
"score":0.7425670623779297
}'
'{
"plot":"A professional thief is hired by the FBI to steal a data tape from a company under investigation. The analysis of this tape, will prove the criminal activities of this company. As this ...",
"genres":["Action","Sci-Fi","Thriller"],
"title":"Black Moon Rising",
"year":1986,
"score":0.7397696375846863
}'
'{
"plot":"A group of heavily armed hijackers board a luxury ocean liner in the South Pacific Ocean to loot it, only to do battle with a series of large-sized, tentacled, man-eating sea creatures who have taken over the ship first.","genres":["Action","Adventure","Horror"],"title":"Deep Rising","year":1998,"score":0.7392246127128601
}'
'{
"plot":"A young man comes to the rescue of his girlfriend abducted by thieves and brought to Rio. An extravagant adventure ensues.",
"genres":["Action","Adventure","Comedy"],
"title":"That Man from Rio",
"year":1964,
"score":0.7357995510101318
}'
node atlas-search-tutorial.js
'{
"year":2008,
"plot":"A young Thai boxer learns the skills and inner meaning of martial arts.",
"genres":["Action"],
"title":"Ong-bak 2",
"score":0.7976737022399902
}'
'{
"plot":"A handyman/martial arts master agrees to teach a bullied boy karate and shows him that there is more to the martial art than fighting.",
"genres":["Action","Drama","Family"],
"title":"The Karate Kid",
"year":1984,
"score":0.7929348349571228
}'
'{
"plot":"A young martial artist embarks on an adventure, encountering other martial artists in battle until one day he meets an aging blind man who will show him the true meaning of martial arts and life.","
genres":["Action","Adventure","Fantasy"],
"title":"Circle of Iron",
"year":1978,
"score":0.7852014899253845
}'
'{
"plot":"A lionized account of the life of the martial arts superstar.",
"genres":["Action","Biography","Drama"],
"title":"Dragon: The Bruce Lee Story",
"year":1993,
"score":0.7763040661811829
}'
'{
"plot":"A martial arts instructor from the police force gets imprisoned after killing a man by accident. But when a vicious killer starts targeting martial arts masters, the instructor offers to help the police in return for his freedom.",
"genres":["Action","Thriller"],
"title":"Kung Fu Killer",
"year":2014,
"score":0.7731232643127441
}'
'{
"plot":"A young woman is trained by a martial arts specialist to become a professional assassin.",
"genres":["Action","Crime","Romance"],
"title":"Naked Killer",
"year":1992,
"score":0.7693743109703064
}'
'{
"plot":"The life of the greatest karate master of a generation.",
"genres":["Documentary","Action","History"],
"title":"The Real Miyagi",
"year":2015,
"score":0.768799901008606
}'
'{
"plot":"At his new high school, a rebellious teen is lured into an underground fight club, where he finds a mentor in a mixed martial arts veteran.",
"genres":["Action","Drama","Sport"],
"title":"Never Back Down",
"year":2008,
"score":0.768179714679718
}'
'{
"plot":"Three young martial arts masters emerge from the back streets of Hong Kong to help the powerless fight injustice.",
"genres":["Action","Drama"],
"title":"Dragon Tiger Gate",
"year":2006,
"score":0.7679706811904907
}'
'{
"year":2001,
"plot":"A young Shaolin follower reunites with his discouraged brothers to form a soccer team using their martial art skills to their advantage.",
"genres":["Action","Comedy","Sport"],
"title":"Shaolin Soccer",
"score":0.7660527229309082
}'
1
2

As queries a seguir usam o estágio do pipeline $vectorSearch para pesquisar filmes que correspondam às incorporações de vetor especificadas. Note que as queries utilizam a incorporação ada-002-text, que é o mesmo que o vetor incorporação no campo plot_embedding. As queries especificam uma pesquisa para até 100 vizinhos mais próximos e limitam os resultados somente para 10 documentos. As consultas também especificam um estágio $project para executar as seguintes ações:

  • Exclua o campo _id e inclua somente os campos title, genres, plot e year nos resultados.

  • Adicionar um campo chamado score que exibe a pontuação da pesquisa vetorial para cada documento nos resultados.

A query a seguir pesquisa o campo plot_embedding usando as incorporações vetoriais para o heist histórico de strings. A query utiliza a incorporação ada-002-text, que é o mesmo que a incorporação do vetor no campo plot_embedding. Ela especifica vários operadores de query de comparação por campo para pré-filtrar os documentos nos quais executar a pesquisar semântica.

O filtro usa o operador de pipeline de agregação $and para localizar documentos de filme que correspondam aos seguintes critérios:

  • Filtre pelo campo genres para encontrar filmes que não estão no gênero drama, western ou crime, mas sim no gênero action, adventure ou family.

  • Filtre pelo campo year para encontrar filmes que foram lançados entre os anos 1960 e 2000.

1import pymongo
2
3# connect to your Atlas cluster
4client = pymongo.MongoClient("<connection-string>")
5
6# define pipeline
7pipeline = [
8 {
9 '$vectorSearch': {
10 'index': 'vector_index',
11 'path': 'plot_embedding',
12 'filter': {
13 '$and': [
14 {
15 'genres': {
16 '$nin': [
17 'Drama', 'Western', 'Crime'
18 ],
19 '$in': [
20 'Action', 'Adventure', 'Family'
21 ]
22 }
23 }, {
24 'year': {
25 '$gte': 1960,
26 '$lte': 2000
27 }
28 }
29 ]
30 },
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32 'numCandidates': 200,
33 'limit': 10
34 }
35 }, {
36 '$project': {
37 '_id': 0,
38 'title': 1,
39 'genres': 1,
40 'plot': 1,
41 'year': 1,
42 'score': {
43 '$meta': 'vectorSearchScore'
44 }
45 }
46 }
47]
48
49# run pipeline
50result = client["sample_mflix"]["embedded_movies"].aggregate(pipeline)
51
52# print results
53for i in result:
54 print(i)

A query a seguir pesquisa o campo plot_embedding usando os embeddings vetoriais para a string martial arts. A query utiliza a incorporação ada-002-text, que é o mesmo que a incorporação do vetor no campo plot_embedding. Ela especifica operadores de pipeline de agregação e de query de comparação para demonstrar um uso combinado dos operadores para filtrar os dados.

O filtro usa o operador de pipeline de agregação $or para localizar documentos de filme que correspondam a um dos seguintes critérios:

  • Filtre pelo campo genres para encontrar filmes que não são do gênero crime .

  • Filtre pelo campo year para encontrar filmes lançados no ano 2015 ou antes e pelo campo genres para encontrar filmes do gênero action .

1import pymongo
2
3# connect to your Atlas cluster
4client = pymongo.MongoClient("<connection-string>")
5
6# define pipeline
7pipeline = [
8 {
9 '$vectorSearch': {
10 'index': 'vector_index',
11 'path': 'plot_embedding',
12 'filter': {
13 '$or': [
14 {
15 'genres': {
16 '$ne': 'Crime'
17 }
18 }, {
19 '$and': [
20 {
21 'year': {
22 '$lte': 2015
23 }
24 }, {
25 'genres': {
26 '$eq': 'Action'
27 }
28 }
29 ]
30 }
31 ]
32 },
33 'queryVector': [-0.016465975, -0.0036450154, 0.001644484, -0.028249683, -0.02077106, 0.00031438665, -0.02351539, -0.017519485, -0.0025362284, -0.038888834, 0.023489377, 0.022695992, 0.009481592, 0.009995341, -0.0043506073, -0.0021297815, 0.033972453, 0.00070193375, 0.007335553, -0.017909674, 0.015191358, 0.015360439, -0.00020505243, -0.023801528, -0.013539557, -0.0015290531, 0.009631164, -0.026493832, -0.0245689, -0.02481602, 0.02832772, -0.012473041, -0.006538917, -0.021707514, -0.01676512, -0.005865841, 0.010359517, -0.013246916, 0.014710125, 0.0060869483, 0.016192842, 0.0026484078, 0.002417546, -0.007764761, -0.0053781047, 0.0016843157, 0.009071894, 0.0026158919, -0.016465975, 0.019054228, 0.030720878, 0.028145632, -0.0124340225, -0.011491066, -0.01273967, -0.0076542073, 0.00685432, 0.002936172, 0.03194347, -0.030798918, -0.004961903, 0.012661632, -0.024646938, 0.0085256295, -0.01133499, 0.016648063, -0.017857648, 0.01627088, -0.020823086, -0.002233832, 0.008330535, 0.024894057, 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0.0053781047, -0.020588972, -0.030304678, -0.015893698, -0.0041295, 0.04705679, 0.020198783, -0.007010395, 0.0039344057, 0.00019905735, 0.010587128, 0.0026549108, -0.015165345, -0.023996623, 0.01476215, -0.0021200269, 0.0458342, 0.02221476, -0.021174256, 0.009000359, 0.027573355, -0.007634698, -0.0053520924, -0.0032190592, 0.010196939, 0.014033797, 0.01203733, -0.032307647, -0.00873373, -0.016609045, -0.014593068, -0.014658099, 0.015828667, -0.024087666, 0.03043474, -0.0020598727, 0.006327565, 0.0019850864, -0.004236802, 0.015932716, 0.00049139425, -0.0023232503, -0.018351888, -0.025466334, -0.010457065, -0.00039587924, 0.0017330894, -0.024334786, -0.018599007, -0.0031442728, -0.030564804, 0.036807828, 0.0051895133, -0.015620566, 0.020680016, 0.021239286, 0.019171285, -0.00803139, -0.027963543, -0.0049261358, 0.018429926, 0.011217933, -0.015984742, -0.020575965, -0.007472119, -0.0071924836, -0.035975423, -0.028405758, 0.027573355, 0.0015770138, -0.009279994, -0.007634698, 0.007810283, 0.039929338, -0.029186135, 0.025245227, -0.02446485, -0.011770701, 0.009611655, -0.0033718832, -0.015451483, 0.007829792, -0.018403914],
34 'numCandidates': 200,
35 'limit': 10
36 }
37 }, {
38 '$project': {
39 '_id': 0,
40 'title': 1,
41 'genres': 1,
42 'plot': 1,
43 'year': 1,
44 'score': {
45 '$meta': 'vectorSearchScore'
46 }
47 }
48 }
49]
50
51# run pipeline
52result = client["sample_mflix"]["embedded_movies"].aggregate(pipeline)
53
54# print results
55for i in result:
56 print(i)
3

Certifique-se de que sua cadeia de conexão inclui as credenciais do usuário do banco de dados. Para saber mais, consulte Conectar via Drivers.

4
python atlas-vector-search-tutorial.py
{
'year': 1993,
'plot': 'A botched mid-air heist results in suitcases full of cash being searched for by various groups throughout the Rocky Mountains.',
'genres': ['Action', 'Adventure', 'Thriller'],
'title': 'Cliffhanger',
'score': 0.7694521546363831
}
{
'plot': 'The dying words of a thief spark a madcap cross-country rush to find some treasure.',
'genres': ['Action', 'Adventure', 'Comedy'],
'title': "It's a Mad, Mad, Mad, Mad World",
'year': 1963,
'score': 0.7638954520225525
}
{
'year': 1991,
'plot': 'A cat burglar is forced to steal Da Vinci works of art for a world domination plot.',
'genres': ['Action', 'Adventure', 'Comedy'],
'title': 'Hudson Hawk',
'score': 0.7538407444953918
}
{
'plot': 'In 1997, when the US President crashes into Manhattan, now a giant maximum security prison, a convicted bank robber is sent in for a rescue.',
'genres': ['Action', 'Sci-Fi'],
'title': 'Escape from New York',
'year': 1981,
'score': 0.7487208843231201
}
{
'plot': 'Patrick and Tony are hired by the wealthy gambler to steal the priceless Romanov stones, Russian jewels. They do it, but almost lose their lives when he double-crosses them. They turn around and get revenge.',
'genres': ['Action', 'Thriller'],
'title': 'The Romanov Stones',
'year': 1993,
'score': 0.7467736005783081
}
{
'plot': 'An attempted robbery turns to be an unexpected recruitment when two unemployed men mistakenly break into a police office instead of a store.',
'genres': ['Action', 'Comedy', 'Adventure'],
'title': 'Crime Busters',
'year': 1977,
'score': 0.7437351942062378
}
{
'plot': 'In the aftermath of the Persian Gulf War, 4 soldiers set out to steal gold that was stolen from Kuwait, but they discover people who desperately need their help.',
'genres': ['Action', 'Adventure', 'Comedy'],
'title': 'Three Kings',
'year': 1999,
'score': 0.7425670623779297
}
{
'plot': 'A professional thief is hired by the FBI to steal a data tape from a company under investigation. The analysis of this tape, will prove the criminal activities of this company. As this ...', 'genres': ['Action', 'Sci-Fi', 'Thriller'], 'title': 'Black Moon Rising', 'year': 1986, 'score': 0.7397696375846863
}
{
'plot': 'A group of heavily armed hijackers board a luxury ocean liner in the South Pacific Ocean to loot it, only to do battle with a series of large-sized, tentacled, man-eating sea creatures who have taken over the ship first.',
'genres': ['Action', 'Adventure', 'Horror'],
'title': 'Deep Rising',
'year': 1998,
'score': 0.7392246127128601
}
{
'plot': 'A young man comes to the rescue of his girlfriend abducted by thieves and brought to Rio. An extravagant adventure ensues.',
'genres': ['Action', 'Adventure', 'Comedy'],
'title': 'That Man from Rio',
'year': 1964,
'score': 0.7357995510101318
}
python atlas-vector-search-tutorial.py
{
'year': 2008,
'plot': 'A young Thai boxer learns the skills and inner meaning of martial arts.',
'genres': ['Action'],
'title': 'Ong-bak 2',
'score': 0.7976737022399902
}
{
'plot': 'A handyman/martial arts master agrees to teach a bullied boy karate and shows him that there is more to the martial art than fighting.',
'genres': ['Action', 'Drama', 'Family'],
'title': 'The Karate Kid',
'year': 1984,
'score': 0.7929348349571228
}
{
'plot': 'A young martial artist embarks on an adventure, encountering other martial artists in battle until one day he meets an aging blind man who will show him the true meaning of martial arts and life.',
'genres': ['Action', 'Adventure', 'Fantasy'],
'title': 'Circle of Iron',
'year': 1978,
'score': 0.7852014899253845
}
{
'plot': 'A lionized account of the life of the martial arts superstar.',
'genres': ['Action', 'Biography', 'Drama'],
'title': 'Dragon: The Bruce Lee Story',
'year': 1993,
'score': 0.7763040661811829
}
{
'plot': 'A martial arts instructor from the police force gets imprisoned after killing a man by accident. But when a vicious killer starts targeting martial arts masters, the instructor offers to help the police in return for his freedom.',
'genres': ['Action', 'Thriller'],
'title': 'Kung Fu Killer',
'year': 2014,
'score': 0.7731232643127441
}
{
'plot': 'A young woman is trained by a martial arts specialist to become a professional assassin.',
'genres': ['Action', 'Crime', 'Romance'], '
title': 'Naked Killer',
'year': 1992,
'score': 0.7693743109703064
}
{
'plot': 'The life of the greatest karate master of a generation.',
'genres': ['Documentary', 'Action', 'History'],
'title': 'The Real Miyagi',
'year': 2015,
'score': 0.768799901008606
}
{
'plot': 'At his new high school, a rebellious teen is lured into an underground fight club, where he finds a mentor in a mixed martial arts veteran.',
'genres': ['Action', 'Drama', 'Sport'],
'title': 'Never Back Down',
'year': 2008,
'score': 0.768179714679718
}
{
'plot': 'Three young martial arts masters emerge from the back streets of Hong Kong to help the powerless fight injustice.',
'genres': ['Action', 'Drama'],
'title': 'Dragon Tiger Gate',
'year': 2006,
'score': 0.7679706811904907
}
{
'year': 2001,
'plot': 'A young Shaolin follower reunites with his discouraged brothers to form a soccer team using their martial art skills to their advantage.',
'genres': ['Action', 'Comedy', 'Sport'],
'title': 'Shaolin Soccer', '
score': 0.7660527229309082
}

Voltar

Tutorials