Fast Approach to Build an Automatic Sentiment Annotator for Legal Domain using Transfer Learning. - Viraj Salaka Gamage; Menuka Warushavithana; Nisansa de Silva; Amal Shehan Perera; Gathika Ratnayaka; Thejan Rupasinghe (WASSA@EMNLP, 2018)

Identifying Relationships Among Sentences in Court Case Transcripts Using Discourse Relations. - Gathika Ratnayaka; Thejan Rupasinghe; Nisansa de Silva; Menuka Warushavithana; Viraj Gamage; Amal Shehan Perera (CoRR, 2018)

Shift-of-Perspective Identification within Legal Cases. - Gathika Ratnayaka; Thejan Rupasinghe; Nisansa de Silva; Viraj Salaka Gamage; Menuka Warushavithana; Amal Shehan Perera (ASAIL@ICAIL, 2019)

Enhancing the Identification of Cyberbullying through Participant Roles. - Gathika Ratnayaka; Thushari Atapattu; Mahen Herath; Georgia Zhang; Katrina Falkner (WOAH, 2020)

SigmaLaw-ABSA: Dataset for Aspect-Based Sentiment Analysis in Legal Opinion Texts. - Chanika Ruchini Mudalige; Dilini Karunarathna; Isanka Rajapaksha; Nisansa de Silva; Gathika Ratnayaka; Amal Shehan Perera; Ramesh Pathirana (ICIIS, 2020)

Party Identification of Legal Documents using Co-reference Resolution and Named Entity Recognition. - Chamodi Samarawickrama; Melonie de Almeida; Nisansa de Silva; Gathika Ratnayaka; Amal Shehan Perera (ICIIS, 2020)

Effective Approach to Develop a Sentiment Annotator For Legal Domain in a Low Resource Setting. - Gathika Ratnayaka; Nisansa de Silva; Amal Shehan Perera; Ramesh Pathirana (PACLIC, 2020)

Rule-Based Approach for Party-Based Sentiment Analysis in Legal Opinion Texts. - Isanka Rajapaksha; Chanika Ruchini Mudalige; Dilini Karunarathna; Nisansa de Silva; Gathika Ratnayaka; Amal Shehan Perera (CoRR, 2020)

Sigmalaw PBSA - A Deep Learning Model for Aspect-Based Sentiment Analysis for the Legal Domain. - Isanka Rajapaksha; Chanika Ruchini Mudalige; Dilini Karunarathna; Nisansa de Silva; Amal Shehan Perera; Gathika Ratnayaka (DEXA (1), 2021)

Identifying Legal Party Members from Legal Opinion Documents using Natural Language Processing. - Melonie de Almeida; Chamodi Samarawickrama; Nisansa de Silva; Gathika Ratnayaka; Amal Shehan Perera (iiWAS, 2021)

Context Sensitive Verb Similarity Dataset for Legal Information Extraction. - Gathika Ratnayaka; Nisansa de Silva; Amal Shehan Perera; Gayan Kavirathne; Thirasara Ariyarathna; Anjana Wijesinghe (Data, 2022)

SigmaLaw PBSA - A Deep Learning Approach For Aspect Based Sentiment Analysis in Legal Opinion Texts. - Isanka Rajapaksha; Chanika Ruchini Mudalige; Dilini Karunarathna; Nisansa de Silva; Gathika Ratnayaka; Amal Shehan Perera (J. Data Intell., 2022)

Legal Party Extraction from Legal Opinion Texts Using Recurrent Deep Neural Networks. - Chamodi Samarawickrama; Melonie de Almeida; Nisansa de Silva; Gathika Ratnayaka; Amal Shehan Perera (J. Data Intell., 2022)

Contrastive learning for supervised graph matching. - Gathika Ratnayaka; Qing Wang 002; Yang Li (UAI, 2023)

Optimal Partial Graph Matching. - Gathika Ratnayaka; James Nichols; Qing Wang (CoRR, 2024)

Learning Partial Graph Matching via Optimal Partial Transport. - Gathika Ratnayaka; James Nichols; Qing Wang (ICLR, 2025)