DR. NISANSA DE SILVA
SENIOR LECTURER
PhD (UO), MSc (UO), BSc Eng. (Hons) (Moratuwa), AMIE (SL)
About
I am a lecturer at the Department of Computer Science & Engineering, University of Moratuwa, Sri Lanka. I obtained my Ph.D (2020, advisor: Dejing Dou) and MS (2016) degrees in Computer and Information Science from University of Oregon, USA and my BSc (Hons) in Computer Science & Engineering (2011) degree from University of Moratuwa. I joined University of Moratuwa as a lecturer in 2011. From 2013 to 2014, I worked as a researcher at LIRNEasia. In 2018, I worked as a Givens Associate at Argonne National Laboratory, USA. I have over 100 peer-reviewed publications in the field of computer science, mostly under the subfields of Natural Language Processing and Artificial Intelligence, earning more than 2000 citations. I am also an associate member of the IESL.
Visit http://nisansads.staff.uom.lk/ for more details.
Research interests
Publications
Updated automatically from ORCID and OpenAlex- 2027From Monolith to Microservices: A Comparative Evaluation of Decomposition FrameworksMineth Weerasinghe, Himindu Kularathne, Methmini Madhushika, Danuka Lakshan, Nisansa de Silva, Adeesha Wijayasiri, Srinath Perera
- 2026Adapter-Based Multi-Document Summarisation: Opinion Summarisation Use CaseKushan Hewapathirana, Nisansa de Silva, C. D. Athuraliya · International Conference on Agents and Artificial Intelligence (ICAART)
- 2026An emotion aware context adaptive machine learning approach for detecting hate speech in social mediaKrishan Chavinda, Pasan Kalansooriya, Thushalya Weerasuriya, Nisansa de Silva, Uthayasanker Thayasivam, Kogul Srikandabala, Kirishnni Prabagar, Damminda Alahakoon · Neural Computing and Applications
- 2026Evolution of Cooperation in LLM-Agent Societies: A Preliminary Study Using Different Punishment StrategiesKavindu Warnakulasuriya, Prabhash Dissanayake, Navindu De Silva, Stephen Cranefield, Bastin Tony Roy Savarimuthu, Surangika Ranathunga, Nisansa de Silva · Lecture notes in computer science
- 2026Fault of Our Stars: Behavioral Drivers of Rating–Sentiment IncongruenceRamanaish Abaiyan, Ruththiragayan Sutharsan, Kusal Amantha, Anusan Krishnathas, Asma Rauff, Kovindarajah Sriyathurshan, Patalee Narasinghe, Nirasha Munasinghe, Nisansa de Silva, Sandareka Wickramanayake · Moratuwa Engineering Research Conference (MERCon)
- 2026JavaBackports: A Dataset for Benchmarking Automated Backporting in JavaKaushal Kahapola, Sharada Galappaththi, Dinith Ranasinghe, Ridwan Shariffdeen, Nisansa de Silva, Srinath Perera, Sandareka Wickramanayake · International Conference on Mining Software Repositories (MSR)
- 2026Section-Weighted Hybrid Approach for Legal Case RetrievalRajith Arulanandam, Nisansa de Silva
- 2026SiDiaC-v.2.0: Sinhala Diachronic Corpus Version 2.0Nevidu Jayatilleke, Nisansa de Silva, Uthpala Sooriya-Arachchi, Gagani Kulathilaka, Azra Safrullah, Johan Nevin Sofalas · Language Resources and Evaluation Conference (LREC)
- 2026Sinhala Physical Common Sense Reasoning Dataset for Global PIQANisansa de Silva, Surangika Ranathunga · arXiv (Cornell University)
- 2026Team VYN at SemEval-2026 Task 3: Dimensional Aspect-Based Sentiment AnalysisVishal Thenuwara, Widanalage De Mel, Nisansa de Silva · International Workshop on Semantic Evaluation (SemEval)
- 2025Adapter-based fine-tuning for PRIMERAKushan Hewapathirana, Nisansa de Silva, C. D. Athuraliya · Applied Data Science & Artificial Intelligence Symposium
- 2025Automatic Analysis of App Reviews Using LLMsSadeep Gunathilaka, Nisansa de Silva · International Conference on Agents and Artificial Intelligence (ICAART)
- 2025DESS: DeBERTa Enhanced Syntactic-Semantic Aspect Sentiment Triplet ExtractionVishal Thenuwara, Nisansa de Silva · Lecture notes in computer science
- 2025Encoder-Aware Sequence-Level Knowledge Distillation for Low-Resource Neural Machine TranslationMenan Velayuthan, Nisansa de Silva, Surangika Ranathunga · Workshop on Technologies for Machine Translation of Low-Resource Languages (LoResMT)
- 2025EQUIPPING SCHOOL TEACHERS WITH TECHNOLOGY: A QUALITATIVE STUDY BASED ON A TRAINING PROGRAM CONDUCTED FOR SCHOOL TEACHERS ON TECHNOLOGY FOR EDUCATIONBuddhika Karunarathne, Vishaka Nanayakkara, Nisansa de Silva, Thanuja D. Ambegoda · EDULEARN proceedings
- 2025FusionRepair: Iterative Multi-Line APR via FusionJayanath Senevirathna, Ayesh Vininda, Prabath Sandaruwan, Ridwan Shariffdeen, Sandareka Wickramanayake, Nisansa de Silva · IEEE/ACM International Workshop on Automated Program Repair (APR)
- 2025GeeSanBhava: Sentiment Tagged Sinhala Music Video Comment Data SetYomal De Mel, Nisansa de Silva · Communications in computer and information science
- 2025How Good is BLI as an Alignment Measure: A Study in Word Embedding ParadigmKasun Wickramasinghe, Nisansa de Silva · Communications in computer and information science
- 2025Hybrid approach for information retrieval in Sri Lankan legal domainN. Kasige, N. Kavinda, K. H. L. Kodithuwakku, Nisansa de Silva · ERU Symposium
- 2025Improving the Quality of Web-mined Parallel Corpora of Low-Resource Languages using Debiasing HeuristicsSurangika Ranathunga, Aloka Fernando, Menan Velayuthan, Charitha Rathnayaka, Nisansa de Silva · Conference on Empirical Methods in Natural Language Processing (EMNLP)
- 2025Instruct-DeBERTa: A Hybrid Approach for Aspect-based Sentiment Analysis on Textual ReviewsDineth Jayakody, A V A Malkith, Koshila Isuranda, Vishal Thenuwara, Nisansa de Silva, Sachintha Rajith Ponnamperuma, Gammana Guruge Nadeesha Sandamali, Kalupahana Liyanage Kushan Sudheera · International Journal on Advances in ICT for Emerging Regions (ICTer)
- 2025Linguistic Analysis of Sinhala YouTube Comments on Sinhala Music Videos: A Dataset StudyW. M. Yomal De Mel, Nisansa de Silva · International Journal on Advances in ICT for Emerging Regions (ICTer)
- 2025ScheduleMe: Multi-Agent Calendar AssistantOshadha Wijerathne, Amandi Nimasha, Fernando, Dushan, Nisansa de Silva, Srinath Perera · arXiv (Cornell University)
- 2025SCHOLIA- An XAI Framework for APRNethum Lamahewage, Nimantha Cooray, Ridwan Shariffdeen, Sandareka Wickramanayake, Nisansa de Silva · IEEE/ACM International Workshop on Automated Program Repair (APR)
- 2025SiDiaC: Sinhala Diachronic CorpusNevidu Jayatilleke, Nisansa de Silva · arXiv (Cornell University)
- 2025SinLlama - A Large Language Model for SinhalaH.W.K. Aravinda, Rashad Sirajudeen, Sachith Paramie Karunathilake, Nisansa de Silva, Rishemjit Kaur, Surangika Ranathunga · Moratuwa Engineering Research Conference (MERCon)
- 2025Utilizing Multilingual Encoders to Improve Large Language Models for Low-Resource LanguagesImalsha Puranegedara, Themira Chathumina, Nisal Ranathunga, Nisansa de Silva, Surangika Ranathunga, Mokanarangan Thayaparan · Moratuwa Engineering Research Conference (MERCon)
- 2025Zero-shot OCR Accuracy of Low-Resourced Languages: A Comparative Analysis on Sinhala and TamilNevidu Jayatilleke, Nisansa de Silva · International conference Recent advances in natural language processing
- 2024Abstract Generation with Hybrid Model Supported by Relevance MatrixDushan Kumarasinghe, Nisansa de Silva · Lecture notes in computer science
- 2024A Multi-Stage Approach to Image Consistency in Zero-Shot Character Art Generation for the D&D DomainGayashan Weerasundara, Nisansa de Silva · International Conference on Agents and Artificial Intelligence (ICAART)
- 2024Aspect-based Sentiment Analysis Techniques: A Comparative StudyDineth Jayakody, Koshila Isuranda, A V A Malkith, Nisansa de Silva, Sachintha Rajith Ponnamperuma, Gammana Guruge Nadeesha Sandamali, Kalupahana Liyanage Kushan Sudheera · Moratuwa Engineering Research Conference (MERCon)
- 2024Back to the Stats: Rescuing Low Resource Neural Machine Translation with Statistical MethodsMenan Velayuthan, Dilith Jayakody, Nisansa de Silva, Aloka Fernando, Surangika Ranathunga · Conference on Machine Translation (WMT)
- 2024M2DS: Multilingual Dataset for Multi-document SummarisationKushan Hewapathirana, Nisansa de Silva, C. D. Athuraliya · Communications in computer and information science
- 2024Quality Does Matter: A Detailed Look at the Quality and Utility of Web-Mined Parallel CorporaSurangika Ranathunga, Nisansa de Silva, Menan Velayuthan, Aloka Fernando, Charitha Rathnayake · Conference of the European Chapter of the Association for Computational Linguistics
- 2024Shoulders of Giants: A Look at the Degree and Utility of Openness in NLP ResearchSurangika Ranathunga, Nisansa de Silva, Dilith Jayakody, Aloka Fernando · Annual Meeting of the Association for Computational Linguistics (ACL)
- 2024Sinhala Transliteration: A Comparative Analysis Between Rule-based and Seq2Seq ApproachesYomal De Mel, Kasun Wickramasinghe, Nisansa de Silva, Surangika Ranathunga · arXiv (Cornell University)
- 2023Comparative Analysis of Named Entity Recognition in the Dungeons and Dragons DomainGayashan Weerasundara, Nisansa de Silva · International conference Recent advances in natural language processing
- 2023Fine Tuning Named Entity Extraction Models for the Fantasy DomainAravinth Sivaganeshan, Nisansa de Silva · Moratuwa Engineering Research Conference (MERCon)
- 2023Multi-Document Summarization: A Comparative EvaluationKushan Hewapathirana, Nisansa de Silva, C. D. Athuraliya · IEEE International Conference on Industrial and Information Systems (ICIIS)
- 2023SHADE: Semantic Hypernym Annotator for Domain-Specific Entities - Dungeons and Dragons Domain Use CaseAkila Peiris, Nisansa de Silva · IEEE International Conference on Industrial and Information Systems (ICIIS)
- 2023Sinhala-English Parallel Word Dictionary DatasetKasun Wickramasinghe, Nisansa de Silva · IEEE International Conference on Industrial and Information Systems (ICIIS)
- 2023Sinhala-English Word Embedding Alignment: Introducing Datasets and Benchmark for a Low Resource LanguageKasun Wickramasinghe, Nisansa de Silva · arXiv (Cornell University)
- 2022Aspect-based Sentiment Analysis on Mobile Application ReviewsSadeep Gunathilaka, Nisansa de Silva · International Conference on Advances in ICT for Emerging Regions
- 2022Context Sensitive Verb Similarity Dataset for Legal Information ExtractionGathika Ratnayaka, Nisansa de Silva, Amal Shehan Perera, Gayan Kavirathne, Thirasara Ariyarathna, Anjana Wijesinghe · Data
- 2022Facebook for Sentiment Analysis: Baseline Models to Predict Facebook Reactions of Sinhala PostsVihanga Jayawickrama, Gihan Weeraprameshwara, Nisansa de Silva, Yudhanjaya Wijeratne · International Journal on Advances in ICT for Emerging Regions (ICTer)
- 2022Legal Party Extraction from Legal Opinion Texts Using Recurrent Deep Neural NetworksChamodi Samarawickrama, Melonie de Almeida, Nisansa de Silva, Gathika Ratnayaka, Amal Shehan Perera · Journal of Data Intelligence
- 2022Quality at a Glance: An Audit of Web-Crawled Multilingual DatasetsJulia Kreutzer, Isaac Rayburn Caswell, Lisa Wang, Ahsan Wahab, Daan van Esch, Nasanbayar Ulzii-Orshikh, Allahsera Auguste Tapo, Nishant Subramani, Artem Sokolov, Claytone Sikasote, Monang Setyawan, Supheakmungkol Sarin, Sokhar Samb, Benoît Sagot, Clara E. Rivera, Annette Rios, Isabel Papadimitriou, Salomey Osei, Pedro Ortiz Suárez, Iroro Orife, Kelechi Ogueji, Andre Niyongabo Rubungo, Toan Quang Nguyen, Mathias Müller, André Müller, Shamsuddeen Hassan Muhammad, Nanda Muhammad, Ayanda Mnyakeni, Jamshidbek Mirzakhalov, Tapiwanashe Matangira, Colin Leong, Nze Lawson, Sneha Kudugunta, Yacine Jernite, Mathias Jenny, Orhan Fırat, Bonaventure F. P. Dossou, Sakhile Dlamini, Nisansa de Silva, Sakine Çabuk‐Ballı, Stella Biderman, Alessia Battisti, Ahmed Baruwa, Ankur Bapna, Pallavi N. Baljekar, Israel Abebe Azime, Ayodele Awokoya, Duygu Ataman, Orevaoghene Ahia, Oghenefego Ahia, Sweta Agrawal, Mofetoluwa Adeyemi · Transactions of the Association for Computational Linguistics
- 2022Selecting Optimum Seed Words for Wordle using Character StatisticsNisansa de Silva · Moratuwa Engineering Research Conference (MERCon)
- 2022Sentiment Analysis with Deep Learning Models: A Comparative Study on a Decade of Sinhala Language Facebook DataGihan Weeraprameshwara, Vihanga Jayawickrama, Nisansa de Silva, Yudhanjaya Wijeratne · International Conference on Artificial Intelligence in Electronics Engineering (AIEE)
- 2022SigmaLaw PBSA - A Deep Learning Approach For Aspect Based Sentiment Analysis in Legal Opinion TextsIsanka Rajapaksha, Chanika Ruchini Mudalige, Dilini Karunarathna, Nisansa de Silva, Gathika Ratnayaka, and Amal Shehan Perera · Journal of Data Intelligence
Last updated 29 October 2026