Class MultiVectorRetriever

A retriever that retrieves documents from a vector store and a document store. It uses the vector store to find relevant documents based on a query, and then retrieves the full documents from the document store.

Example

const retriever = new MultiVectorRetriever({
  vectorstore: new FaissStore(),
  byteStore: new InMemoryStore<Unit8Array>(),
  idKey: "doc_id",
  childK: 20,
  parentK: 5,
});

const retrieverResult = await retriever.getRelevantDocuments("justice breyer");
console.log(retrieverResult[0].pageContent.length);
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