retrievers

Search Retrievers of various types.

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

Classes

retrievers.full_text_search.MongoDBAtlasFullTextSearchRetriever	Retriever performs full-text searches using Lucene's standard (BM25) analyzer.
retrievers.graphrag.MongoDBGraphRAGRetriever	RunnableSerializable API of MongoDB GraphRAG.
retrievers.hybrid_search.MongoDBAtlasHybridSearchRetriever	Hybrid Search Retriever combines vector and full-text searches weighting them the via Reciprocal Rank Fusion (RRF) algorithm.
retrievers.parent_document.MongoDBAtlasParentDocumentRetriever	MongoDB Atlas's ParentDocumentRetriever
retrievers.self_querying.MongoDBAtlasSelfQueryRetriever	Retriever that uses an LLM to deduce filters for Vector Search algorithm.
retrievers.self_querying.MongoDBStructuredQueryTranslator()	Translator between MongoDB Query API and LangChain's StructuredQuery.