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Site Navigation

  • Core
  • Langchain
  • Text Splitters
  • AI21
  • Airbyte
    • Anthropic
    • AstraDB
    • AWS
    • Azure Dynamic Sessions
    • Chroma
    • Cohere
    • Couchbase
    • Elasticsearch
    • Exa
    • Fireworks
    • Google Community
    • Google GenAI
    • Google VertexAI
    • Groq
    • Huggingface
    • Milvus
    • MistralAI
    • MongoDB
    • Nomic
    • Nvidia Ai Endpoints
    • Ollama
    • OpenAI
    • Pinecone
    • Postgres
    • Prompty
    • Qdrant
    • Robocorp
    • Together
    • Unstructured
    • VoyageAI
    • Weaviate
  • LangChain docs
  • GitHub
  • X / Twitter

Section Navigation

  • cache
  • chat_message_histories
  • pipelines
  • retrievers
    • MongoDBAtlasFullTextSearchRetriever
    • MongoDBAtlasHybridSearchRetriever
  • utils
  • vectorstores
  • langchain_mongodb 0.1.8

retrievers#

Search Retrievers of various types.

Use MongoDBAtlasVectorSearch.as_retriever(**) to create MongoDB’s core Vector Search Retriever.

Classes

retrievers.full_text_search.MongoDBAtlasFullTextSearchRetriever

Hybrid Search Retriever performs full-text searches using Lucene's standard (BM25) analyzer.

retrievers.hybrid_search.MongoDBAtlasHybridSearchRetriever

Hybrid Search Retriever combines vector and full-text searches weighting them the via Reciprocal Rank Fusion (RRF) algorithm.

previous

vector_search_stage

next

MongoDBAtlasFullTextSearchRetriever

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