as_retriever

Keyword arguments including (but not limited to):

• search_type (Optional[str]): Overrides the type of search that the Retriever should perform.

  Defaults to self._search_type.

  Can be "vector", "hybrid", "full_text_ranking", "full_text_search".

• search_kwargs (Optional[Dict]): Keyword arguments to pass to the search function.

  Can include things like:

  • score_threshold: Minimum relevance threshold for similarity_score_threshold

  • fetch_k: Amount of documents to pass to MMR algorithm (Default: 20)

  • lambda_mult: Diversity of results returned by MMR;

    1 for minimum diversity and 0 for maximum. (Default: 0.5)

  • filter: Filter by document metadata