| 2025 | COLING | CLRG@FinCausal2025: Cause-Effect Extraction in Finance Domain. | Vibhavkrishnan K. S., Pattabhi R. K. Rao, Sobha Lalitha Devi |
| 2023 | RANLP | 'ChemXtract' A System for Extraction of Chemical Events from Patent Documents. | Pattabhi R. K. Rao, Sobha Lalitha Devi |
| 2016 | CICLING | Mining of Social Networks from Literary Texts of Resource Poor Languages. | Pattabhi R. K. Rao, Sobha Lalitha Devi |
| 2015 | CoNLL | A Hybrid Discourse Relation Parser in CoNLL 2015. | Sobha Lalitha Devi, Sindhuja Gopalan, Lakshmi S, Pattabhi R. K. Rao, R. Vijay Sundar Ram, C. S. Malarkodi |
| 2014 | COLING | A Generic Anaphora Resolution Engine for Indian Languages. | Sobha Lalitha Devi, R. Vijay Sundar Ram, Pattabhi R. K. Rao |
| 2011 | CICLING | Automatic Identification of Cause-Effect Relations in Tamil Using CRFs. | S. Menaka, Pattabhi R. K. Rao, Sobha Lalitha Devi |
| 2011 | CoNLL | Hybrid Approach for Coreference Resolution. | Sobha Lalitha Devi, Pattabhi R. K. Rao, R. Vijay Sundar Ram, C. S. Malarkodi, A. Akilandeswari |
| 2008 | IJCNLP | Identifying Similar and Co-referring Documents Across Languages. | Pattabhi R. K. Rao, Sobha Lalitha Devi |