ChatIE: Zero-Shot Information Extraction via Chatting with ChatGPT
arxiv(2023)
摘要
Zero-shot information extraction (IE) aims to build IE systems from the
unannotated text. It is challenging due to involving little human intervention.
Challenging but worthwhile, zero-shot IE reduces the time and effort that data
labeling takes. Recent efforts on large language models (LLMs, e.g., GPT-3,
ChatGPT) show promising performance on zero-shot settings, thus inspiring us to
explore prompt-based methods. In this work, we ask whether strong IE models can
be constructed by directly prompting LLMs. Specifically, we transform the
zero-shot IE task into a multi-turn question-answering problem with a two-stage
framework (ChatIE). With the power of ChatGPT, we extensively evaluate our
framework on three IE tasks: entity-relation triple extract, named entity
recognition, and event extraction. Empirical results on six datasets across two
languages show that ChatIE achieves impressive performance and even surpasses
some full-shot models on several datasets (e.g., NYT11-HRL). We believe that
our work could shed light on building IE models with limited resources.
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