2023年6月mongodb新版发布增加了向量检索的功能，全面拥抱ai
创建向量索引
{
"type": "vectorSearch,
"fields": [{
"path": "plot_embedding_hf",
"dimensions": 384,
"similarity": "dotProduct",
"type": "vector"
}]
}RAG检索query = "imaginary characters from outer space at war"
results = collection.aggregate([
{"$vectorSearch": {
"queryVector": generate_embedding(query),
"path": "plot_embedding_hf",
"numCandidates": 100,
"limit": 4,
"index": "PlotSemanticSearch",
}}
});
for document in results:
print(f'Movie Name: {document["title"]},\nMovie Plot: {document["plot"]}\n')
官方教程
https://www.mongodb.com/developer/products/atlas/building-generative-ai-applications-vector-search-open-source-models/
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