Semi-automatic Approach for Tamil Discourse Relation Annotation

Frances Yung, Enosh Peter Ponraj, Vera Demberg


Abstract
Discourse relations (DRs) specify the logical relations between text spans and are essential for modeling extended discourse. Resources annotated with DRs can help train large language models (LLMs) to recognize and generate these relations more naturally. However, there is currently no open-source DR-annotated resource for Tamil. Annotation is particularly challenging because many Tamil discourse connectives are realized as morphologically complex suffixes rather than standalone tokens, often involving phonological alternations. In this work, we present a DR-annotated dataset for Tamil based on the PDTB framework. We adopt a semi-automatic pipeline: 1) projection of automatic English discourse annotations onto Tamil in a parallel corpus; 2) lexical normalization using a morphological analyzer; and 3) manual verification of each instance. The resulting resource contains approximately 7;200 explicit DR annotations and a lexicon of 450 Tamil discourse connectives. The annotated data is available for download at https://anonymous.4open.science/r/Tamil-Semi-Automatic-Discourse-Relation-Dataset/.
Anthology ID:
2026.wildre-1.2
Volume:
Proceedings of the 8th Workshop on Indian Language Data: Resources and Evaluation
Month:
May
Year:
2026
Address:
Palma, Mallorca, Spain
Editors:
Girish Nath Jha, Kalika Bali, Sobha L, Devendr Kumar
Venues:
WILDRE | WS
SIG:
Publisher:
ELRA Language Resources Association (ELRA)
Note:
Pages:
14–24
Language:
External URL:
https://lrec.elra.info/lrec2026-ws-wildre-02
DOI:
10.63317/2imw3didyv2n
Bibkey:
Cite (ACL):
Frances Yung, Enosh Peter Ponraj, and Vera Demberg. 2026. Semi-automatic Approach for Tamil Discourse Relation Annotation. In Proceedings of the 8th Workshop on Indian Language Data: Resources and Evaluation, pages 14–24, Palma, Mallorca, Spain. ELRA Language Resources Association (ELRA).
Cite (Informal):
Semi-automatic Approach for Tamil Discourse Relation Annotation (Yung et al., WILDRE 2026)
Copy Citation: