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    <abstract>Previous work on Incomplete Utterance Rewriting (IUR) has primarily focused on generating rewritten utterances based solely on dialogue context, ignoring the widespread phenomenon of coreference and ellipsis in dialogues. To address this issue, we propose a novel framework called TEO (Two-stage approach on Editing Operation) for IUR, in which the first stage generates editing operations and the second stage rewrites incomplete utterances utilizing the generated editing operations and the dialogue context. Furthermore, an adversarial perturbation strategy is proposed to mitigate cascading errors and exposure bias caused by the inconsistency between training and inference in the second stage. Experimental results on three IUR datasets show that our TEO outperforms the SOTA models significantly.</abstract>
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%0 Conference Proceedings
%T Two-stage Incomplete Utterance Rewriting on Editing Operation
%A Cao, Zhiyu
%A Li, Peifeng
%A Zhu, Qiaoming
%A Fan, Yaxin
%Y Rambow, Owen
%Y Wanner, Leo
%Y Apidianaki, Marianna
%Y Al-Khalifa, Hend
%Y Eugenio, Barbara Di
%Y Schockaert, Steven
%S Proceedings of the 31st International Conference on Computational Linguistics
%D 2025
%8 January
%I Association for Computational Linguistics
%C Abu Dhabi, UAE
%F cao-etal-2025-two
%X Previous work on Incomplete Utterance Rewriting (IUR) has primarily focused on generating rewritten utterances based solely on dialogue context, ignoring the widespread phenomenon of coreference and ellipsis in dialogues. To address this issue, we propose a novel framework called TEO (Two-stage approach on Editing Operation) for IUR, in which the first stage generates editing operations and the second stage rewrites incomplete utterances utilizing the generated editing operations and the dialogue context. Furthermore, an adversarial perturbation strategy is proposed to mitigate cascading errors and exposure bias caused by the inconsistency between training and inference in the second stage. Experimental results on three IUR datasets show that our TEO outperforms the SOTA models significantly.
%U https://aclanthology.org/2025.coling-main.33/
%P 496-507

Markdown (Informal)

[Two-stage Incomplete Utterance Rewriting on Editing Operation](https://aclanthology.org/2025.coling-main.33/) (Cao et al., COLING 2025)

• Two-stage Incomplete Utterance Rewriting on Editing Operation (Cao et al., COLING 2025)

ACL

• Zhiyu Cao, Peifeng Li, Qiaoming Zhu, and Yaxin Fan. 2025. Two-stage Incomplete Utterance Rewriting on Editing Operation. In Proceedings of the 31st International Conference on Computational Linguistics, pages 496–507, Abu Dhabi, UAE. Association for Computational Linguistics.