feat(langchain): Rerank Documents Based on Recency Bias on Document Date in Metadata #6676
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| ): [Document, number][] { | ||
| if (documents.length === 0) return []; | ||
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| if (!documents.every(([doc, _]) => doc.metadata.date instanceof Date)) { |
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Would suggest storing this as an ISO string - not all (most?) vector stores will not deserialize dates
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Fixes # (issue): langchain-ai/langchain#18729
This PR implements a retriever that performs reranking based on receny of a documents published date.
This retreiver differs from the
TimeWeightedVectorStoreRetrieverthat performs retrieval based on the retrieved date of the document, not its published date