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Large Language Models for Automated Open-domain Scientific Hypotheses Discovery

Paper · 2023 · Zonglin Yang, Xinya Du, Junxian Li et al.

Summary

The paper addresses hypothetical induction, the reasoning scientists use to move from observations to explanatory hypotheses. Earlier benchmarks were limited because their observations were hand-picked sentences, which made them closed-domain, and their target hypotheses were mostly commonsense facts that LLMs may have memorized. The authors define a harder task, TOMATO (automated open-domain hypothetical induction). In TOMATO, a system receives only raw web text and must produce research hypotheses that are new, valid and useful. They build a benchmark from 50 social science papers published in top journals after January 2023. Experts annotated each paper's main hypothesis, background and inspirations, and linked them to matching web passages. To solve the task, they propose MOOSE, a multi-module LLM prompting pipeline with three feedback loops: present, past and future. Both GPT-4 judging and expert assessment rate MOOSE above an LLM baseline, and each feedback type adds further gains. Experts judged many outputs to be both previously unpublished and plausible. This suggests LLMs could act as research assistants that help scientists form hypotheses.

Key points

  • Dataset: 50 social science publications from 2023 onward, covering 7 disciplines such as Psychology, Management and Marketing. The raw corpus comes mainly from news, Wikipedia and business reviews, so it can scale cheaply.
  • Annotations: Each paper has its main hypothesis, background, inspirations, matched web passages, reasoning process and complexity level. The manual selections serve only as a human-performance reference, not as system input.
  • Framework: MOOSE uses three feedback mechanisms:
    • present-feedback: a module refines its own output right away using critiques from another LLM;
    • past-feedback: an earlier module is revised based on feedback given to a later module;
    • future-feedback: a module passes justifications or draft suggestions forward to later modules.
  • Evaluation: GPT-4 and PhD-level experts rated outputs on validity, novelty and helpfulness. MOOSE-base beat the baseline, and the feedback loops improved results step by step.
  • Resources: Data, code and generated hypotheses are released at github.com/ZonglinY/MOOSE (arXiv:2309.02726).

Our summary of the paper, in our own words — not its text. The work belongs to its authors; read it at the links above.

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 Fields, topics and concepts

Cite

Cite as Zonglin Yang, Xinya Du, Junxian Li, Jie Zheng, Soujanya Poria and Erik Cambria. 2023. Large Language Models for Automated Open-domain Scientific Hypotheses Discovery. arXiv:2309.02726.

The paper itself, not this page. BibTeX from the library's record of the work. DOI 10.48550/arxiv.2309.02726 · arXiv 2309.02726

@misc{yang2023large,
  title = {{Large Language Models for Automated Open-domain Scientific Hypotheses Discovery}},
  author = {Zonglin Yang, Xinya Du, Junxian Li, Jie Zheng, Soujanya Poria and Erik Cambria},
  year = {2023},
  doi = {10.48550/arxiv.2309.02726},
  eprint = {2309.02726},
  archivePrefix = {arXiv},
  url = {https://doi.org/10.48550/arxiv.2309.02726}
}

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