DeDisCo at the DISRPT 2025 Shared Task: A System for Discourse Relation Classification

Zhuoxuan Ju, Jingni Wu, Abhishek Purushothama, Amir Zeldes


Abstract
This paper presents DeDisCo, Georgetown University’s entry in the DISRPT 2025 shared task on discourse relation classification. We test two approaches, using an mt5-based encoder and a decoder based approach using the openly available Qwen model. We also experiment on training with augmented dataset for low-resource languages using matched data translated automatically from English, as well as using some additional linguistic features inspired by entries in previous editions of the Shared Task. Our system achieves a macro-accuracy score of 71.28, and we provide some interpretation and error analysis for our results.
Anthology ID:
2025.disrpt-1.4
Volume:
Proceedings of the 4th Shared Task on Discourse Relation Parsing and Treebanking (DISRPT 2025)
Month:
November
Year:
2025
Address:
Suzhou, China
Editors:
Chloé Braud, Yang Janet Liu, Philippe Muller, Amir Zeldes, Chuyuan Li
Venues:
DISRPT | WS
SIG:
Publisher:
Association for Computational Linguistics
Note:
Pages:
48–62
Language:
URL:
https://preview.aclanthology.org/ingest-emnlp/2025.disrpt-1.4/
DOI:
Bibkey:
Cite (ACL):
Zhuoxuan Ju, Jingni Wu, Abhishek Purushothama, and Amir Zeldes. 2025. DeDisCo at the DISRPT 2025 Shared Task: A System for Discourse Relation Classification. In Proceedings of the 4th Shared Task on Discourse Relation Parsing and Treebanking (DISRPT 2025), pages 48–62, Suzhou, China. Association for Computational Linguistics.
Cite (Informal):
DeDisCo at the DISRPT 2025 Shared Task: A System for Discourse Relation Classification (Ju et al., DISRPT 2025)
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PDF:
https://preview.aclanthology.org/ingest-emnlp/2025.disrpt-1.4.pdf
Supplementarymaterial:
 2025.disrpt-1.4.SupplementaryMaterial.zip