HistLens: Mapping Idea Change across Concepts and Corpora

Yi Jing, Weiyun Qiu, Yihang Peng, Zhifang Sui


Abstract
Language change both reflects and shapes social processes, and the semantic evolution of foundational concepts provides a measurable trace of historical and social transformation. Despite recent advances in diachronic semantics and discourse analysis, existing computational approaches often (i) concentrate on a single concept or a single corpus, making findings difficult to compare across heterogeneous sources, and (ii) remain confined to surface lexical evidence, offering insufficient computational and interpretive granularity when concepts are expressed implicitly. We propose HistLens, a unified, SAE-based framework for multi-concept, multi-corpus conceptual-history analysis. The framework decomposes concept representations into interpretable features and tracks their activation dynamics over time and across sources, yielding comparable conceptual trajectories within a shared coordinate system. Experiments on long-span press corpora show that HistLens supports cross-concept, cross-corpus computation of patterns of idea evolution and enables implicit concept computation. By bridging conceptual modeling with interpretive needs, HistLens broadens the analytical perspectives and methodological repertoire available to social science and the humanities for diachronic text analysis.
Anthology ID:
2026.acl-long.652
Volume:
Proceedings of the 64th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)
Month:
July
Year:
2026
Address:
San Diego, California, United States
Editors:
Maria Liakata, Viviane P. Moreira, Jiajun Zhang, David Jurgens
Venue:
ACL
SIG:
Publisher:
Association for Computational Linguistics
Note:
Pages:
14326–14351
Language:
URL:
https://preview.aclanthology.org/ingest-acl/2026.acl-long.652/
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Bibkey:
Cite (ACL):
Yi Jing, Weiyun Qiu, Yihang Peng, and Zhifang Sui. 2026. HistLens: Mapping Idea Change across Concepts and Corpora. In Proceedings of the 64th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers), pages 14326–14351, San Diego, California, United States. Association for Computational Linguistics.
Cite (Informal):
HistLens: Mapping Idea Change across Concepts and Corpora (Jing et al., ACL 2026)
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https://preview.aclanthology.org/ingest-acl/2026.acl-long.652.pdf
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