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        <title>SemEval-2026 Task 12: Knowledge Graph with hyperbolic embedding in Abductive Event Reasoning</title>
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    <abstract>This task introduces Abductive Event Reasoning (AER), a novel shared task, to investigate the ability of Large Language Models(LLMs) to reason about the causality of real-world events. More specifically, a data set consisting of different topics and choices is introduced, and we need to enable the model to select the best options for the given event. Three methods are separately introduced to explore thequestion, including the traditional natural language processing(NLP) method (DeBERTa), theenhanced knowledge graph(KG), and the KG embedded in hyperbolic space.</abstract>
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%0 Conference Proceedings
%T SemEval-2026 Task 12: Knowledge Graph with hyperbolic embedding in Abductive Event Reasoning
%A Wang, Mingkai
%A Ojha, Varun
%A Liang, Huizhi
%Y Kochmar, Ekaterina
%Y Ghosh, Debanjan
%Y North, Kai
%Y Komachi, Mamoru
%S Proceedings of the 20th International Workshop on Semantic Evaluation (2026)
%D 2026
%8 July
%I Association for Computational Linguistics
%C San Diego, California, USA
%@ 979-8-89176-414-9
%F wang-etal-2026-semeval
%X This task introduces Abductive Event Reasoning (AER), a novel shared task, to investigate the ability of Large Language Models(LLMs) to reason about the causality of real-world events. More specifically, a data set consisting of different topics and choices is introduced, and we need to enable the model to select the best options for the given event. Three methods are separately introduced to explore thequestion, including the traditional natural language processing(NLP) method (DeBERTa), theenhanced knowledge graph(KG), and the KG embedded in hyperbolic space.
%U https://aclanthology.org/2026.semeval-1.114/
%P 821-825

Markdown (Informal)

[SemEval-2026 Task 12: Knowledge Graph with hyperbolic embedding in Abductive Event Reasoning](https://aclanthology.org/2026.semeval-1.114/) (Wang et al., SemEval 2026)

• SemEval-2026 Task 12: Knowledge Graph with hyperbolic embedding in Abductive Event Reasoning (Wang et al., SemEval 2026)

ACL

• Mingkai Wang, Varun Ojha, and Huizhi Liang. 2026. SemEval-2026 Task 12: Knowledge Graph with hyperbolic embedding in Abductive Event Reasoning. In Proceedings of the 20th International Workshop on Semantic Evaluation (2026), pages 821–825, San Diego, California, USA. Association for Computational Linguistics.