collaborators

10 papers

cs.CL2026

Can Small Language Models Handle Context-Summarized Multi-Turn Customer-Service QA? A Synthetic Data-Driven Comparative Evaluation

Lakshan Cooray, Deshan Sumanathilaka, Pattigadapa Venkatesh Raju

Customer-service question answering (QA) systems increasingly rely on conversational language understanding. While Large Language Models (LLMs) achieve strong performance, their hi…

cs.CL2026

Swa-bhasha Resource Hub: Romanized Sinhala to Sinhala Transliteration Systems and Data Resources

Deshan Sumanathilaka, Sameera Perera, Sachithya Dharmasiri +6

The Swa-bhasha Resource Hub provides a comprehensive collection of data resources and algorithms developed for Romanized Sinhala to Sinhala transliteration between 2020 and 2025. T…

cs.CL2026

SwanNLP at SemEval-2026 Task 5: An LLM-based Framework for Plausibility Scoring in Narrative Word Sense Disambiguation

Deshan Sumanathilaka, Nicholas Micallef, Julian Hough +1

Recent advances in language models have substantially improved Natural Language Understanding (NLU). Although widely used benchmarks suggest that Large Language Models (LLMs) can e…

cs.CL2026

An Exploration-Analysis-Disambiguation Reasoning Framework for Word Sense Disambiguation with Low-Parameter LLMs

Deshan Sumanathilaka, Nicholas Micallef, Julian Hough

Word Sense Disambiguation (WSD) remains a key challenge in Natural Language Processing (NLP), especially when dealing with rare or domain-specific senses that are often misinterpre…

cs.CL2026

Bridging Lexical Ambiguity and Vision: A Mini Review on Visual Word Sense Disambiguation

Shashini Nilukshi, Deshan Sumanathilaka

This paper offers a mini review of Visual Word Sense Disambiguation (VWSD), which is a multimodal extension of traditional Word Sense Disambiguation (WSD). VWSD helps tackle lexica…

cs.CL2025

A Low-Resource Speech-Driven NLP Pipeline for Sinhala Dyslexia Assistance

Peshala Perera, Deshan Sumanathilaka

Dyslexia in adults remains an under-researched and under-served area, particularly in non-English-speaking contexts, despite its significant impact on personal and professional liv…