haystack/docs/_src/api/api/other.md

Module docs2answers

Docs2Answers

class Docs2Answers(BaseComponent)

This Node is used to convert retrieved documents into predicted answers format. It is useful for situations where you are calling a Retriever only pipeline via REST API. This ensures that your output is in a compatible format.

Module join_docs

JoinDocuments

class JoinDocuments(BaseComponent)

A node to join documents outputted by multiple retriever nodes.

The node allows multiple join modes:

• concatenate: combine the documents from multiple nodes. Any duplicate documents are discarded.
• merge: merge scores of documents from multiple nodes. Optionally, each input score can be given a different weight & a top_k limit can be set. This mode can also be used for "reranking" retrieved documents.
• reciprocal_rank_fusion: combines the documents based on their rank in multiple nodes.

Module join_answers

JoinAnswers

class JoinAnswers(BaseComponent)

A node to join Answers produced by multiple Reader nodes.

Module route_documents

RouteDocuments

class RouteDocuments(BaseComponent)

A node to split a list of Documents by content_type or by the values of a metadata field and route them to different nodes.