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Search-in-the-Chain: Towards the Accurate, Credible and Traceable
Content Generation for Complex Knowledge-intensive Tasks, Shicheng Xu+, N/A, arXiv'23
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With the wide application of Large Language Models (LLMs) such as ChatGPT,how to make the contents generated by LLM accurate and credible becomes veryimportant, especially in complex knowledge-intensive tasks. In this paper, wepropose a novel framework called Search-in-the-Chain (SearChain) to improve theaccuracy, credibility and traceability of LLM-generated content for multi-hopquestion answering, which is a typical complex knowledge-intensive task.SearChain is a framework that deeply integrates LLM and information retrieval(IR). In SearChain, LLM constructs a chain-of-query, which is the decompositionof the multi-hop question. Each node of the chain is a query-answer pairconsisting of an IR-oriented query and the answer generated by LLM for thisquery. IR verifies, completes, and traces the information of each node of thechain, so as to guide LLM to construct the correct chain-of-query, and finallyanswer the multi-hop question. SearChain makes LLM change from trying to give aanswer to trying to construct the chain-of-query when faced with the multi-hopquestion, which can stimulate the knowledge-reasoning ability and provides theinterface for IR to be deeply involved in reasoning process of LLM. IRinteracts with each node of chain-of-query of LLM. It verifies the informationof the node and provides the unknown knowledge to LLM, which ensures theaccuracy of the whole chain in the process of LLM generating the answer.Besides, the contents returned by LLM to the user include not only the finalanswer but also the reasoning process for the question, that is, thechain-of-query and the supporting documents retrieved by IR for each node ofthe chain, which improves the credibility and traceability of the contentsgenerated by LLM. Experimental results show SearChain outperforms relatedbaselines on four multi-hop question-answering datasets.
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AkihikoWatanabe
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Search-in-the-Chain: Towards the Accurate, Credible and Traceable
Content Generation for Complex Knowledge-intensive Tasks, Shicheng Xu+, N/A, arXiv'23
May 1, 2023
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The text was updated successfully, but these errors were encountered: