langchain_community.chat_message_histories.zep.SearchType¶
- class langchain_community.chat_message_histories.zep.SearchType(value)[source]¶
Enumerator of the types of search to perform.
- similarity = 'similarity'¶
Similarity search.
- mmr = 'mmr'¶
Maximal Marginal Relevance reranking of similarity search.