Class LLMChainExtractor

constructor

• new LLMChainExtractor(__namedParameters): LLMChainExtractor

• Parameters

  • __namedParameters: LLMChainExtractorArgs

  Returns LLMChainExtractor

getInput

llmChain

compressDocuments

• compressDocuments(documents, query): Promise<Document<Record<string, any>>[]>

• Compresses a list of documents based on the output of an LLM chain.

  Parameters

  • documents: Document<Record<string, any>>[]

    The list of documents to be compressed.

  • query: string

    The query to be used for document compression.

  Returns Promise<Document<Record<string, any>>[]>

  A list of compressed documents.

Static fromLLM

• fromLLM(llm, prompt?, getInput?): LLMChainExtractor

• Creates a new instance of LLMChainExtractor from a given LLM, prompt template, and getInput function.

  Parameters

  • llm: BaseLanguageModel<any, BaseLanguageModelCallOptions>

    The BaseLanguageModel instance used for document extraction.

  • Optional prompt: PromptTemplate<any, any>

    The PromptTemplate instance used for document extraction.

  • Optional getInput: ((query, doc) => Record<string, unknown>)

    A function used for constructing the chain input from the query and a Document.

    • • (query, doc): Record<string, unknown>

      • Parameters

        • query: string

        • doc: Document<Record<string, any>>

        Returns Record<string, unknown>

  Returns LLMChainExtractor

  A new instance of LLMChainExtractor.