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CausalCite: A Causal Formulation of Paper Citations

Ishan Agrawal, Zhijing Jin, Ehsan Mokhtarian, Siyuan Guo, Yuen Chen, Mrinmaya Sachan, Bernhard Schölkopf


Abstract
Citation count of a paper is a commonly used proxy for evaluating the significance of a paper in the scientific community. Yet citation measures are widely criticized for failing to accurately reflect the true impact of a paper. Thus, we propose CausalCite, a new way to measure the significance of a paper by assessing the causal impact of the paper on its follow-up papers. CausalCite is based on a novel causal inference method, TextMatch, which adapts the traditional matching framework to high-dimensional text embeddings. TextMatch encodes each paper using text embeddings from large language models (LLMs), extracts similar samples by cosine similarity, and synthesizes a counterfactual sample as the weighted average of similar papers according to their similarity values. We demonstrate the effectiveness of CausalCite on various criteria, such as high correlation with paper impact as reported by scientific experts on a previous dataset of 1K papers, (test-of-time) awards for past papers, and its stability across various subfields of AI. We also provide a set of findings that can serve as suggested ways for future researchers to use our metric for a better understanding of the quality of a paper. Our code is available at https://github.com/causalNLP/causal-cite.
Anthology ID:
2024.findings-acl.497
Volume:
Findings of the Association for Computational Linguistics: ACL 2024
Month:
August
Year:
2024
Address:
Bangkok, Thailand
Editors:
Lun-Wei Ku, Andre Martins, Vivek Srikumar
Venue:
Findings
SIG:
Publisher:
Association for Computational Linguistics
Note:
Pages:
8395–8410
Language:
URL:
https://aclanthology.org/2024.findings-acl.497
DOI:
10.18653/v1/2024.findings-acl.497
Bibkey:
Cite (ACL):
Ishan Agrawal, Zhijing Jin, Ehsan Mokhtarian, Siyuan Guo, Yuen Chen, Mrinmaya Sachan, and Bernhard Schölkopf. 2024. CausalCite: A Causal Formulation of Paper Citations. In Findings of the Association for Computational Linguistics: ACL 2024, pages 8395–8410, Bangkok, Thailand. Association for Computational Linguistics.
Cite (Informal):
CausalCite: A Causal Formulation of Paper Citations (Agrawal et al., Findings 2024)
Copy Citation:
PDF:
https://aclanthology.org/2024.findings-acl.497.pdf