ConstructCIE: A Dataset for Extracting Causal Information from Construction Accident Narratives

Hung Nguyen, Jaehoon Lee, Namgyun Kim, Kuan-Hao Huang


Abstract
Construction accident narratives contain rich causal information, but the evidence is often implicit, long-span, and distributed. We introduce ConstructCIE, a manually annotated dataset for Causal Information Extraction from OSHA construction accident reports. The dataset uses a hierarchical schema for accident types, causal factors, sub-causal factors, and supporting evidence spans. We evaluate supervised sequence taggers and instruction-tuned LLMs in an end-to-end hierarchical extraction setting. Results show that most evaluated models achieve strong accident-type prediction and recover broad causal meaning but remain limited in precise span-level extraction. Joint Hierarchical Extraction generally achieves stronger exact and soft matching, while Individual Hierarchical Extraction sometimes achieves higher keyword F1. Error distributions vary by extraction strategy, but evidence-selection and span-boundary errors remain common. These findings show that reliable Causal Information Extraction for construction accidents requires stronger domain grounding and more accurate evidence extraction. The code and data can be found at https://github.com/lab-flair/ConstructCIE.
Anthology ID:
2026.findings-emnlp.537
Volume:
Findings of the Association for Computational Linguistics: EMNLP 2026
Month:
October
Year:
2026
Address:
Budapest, Hungary
Editors:
Hung-Yi Lee, Sunipa Dev, Jessy Li, Desmond Elliott
Venue:
Findings
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SIGDAT
Publisher:
Association for Computational Linguistics
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Pages:
11284–11302
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URL:
https://aclanthology.org/2026.findings-emnlp.537/
DOI:
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Cite (ACL):
Hung Nguyen, Jaehoon Lee, Namgyun Kim, and Kuan-Hao Huang. 2026. ConstructCIE: A Dataset for Extracting Causal Information from Construction Accident Narratives. In Findings of the Association for Computational Linguistics: EMNLP 2026, pages 11284–11302, Budapest, Hungary. Association for Computational Linguistics.
Cite (Informal):
ConstructCIE: A Dataset for Extracting Causal Information from Construction Accident Narratives (Nguyen et al., Findings 2026)
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https://aclanthology.org/2026.findings-emnlp.537.pdf