13 citations · 27 across the 26 of their papers we have counts for
26 papers
Trilingual Topic Modeling of Sri Lankan Parliamentary Debates
Himath Dhanapala, Haren Daishika, Himandhi Kuruppu +6
Sri Lankan parliamentary debates (Hansards) constitute a trilingual corpus of speeches in Sinhala, Tamil, and English, including code-mixed content, yet remain inaccessible to stan…
Monsoon Mayhem to Market Waves: Forecasting Fisheries Resilience in Sri Lanka
Ruzaini Ahmed, Yohan Jayasinghe, Tharumini Gamage +6
Sri Lanka's fisheries sector is important for jobs and food supply. Between 2019 and 2025, it faced several major problems at the same time, and how these events together affected…
LKValues: Aligning Large Language Models with Sri Lankan Societal Values
Nethmi Muthugala, Supryadi, Surangika Ranathunga +7
Value alignment of Large Language Models (LLMs) has been shown to be culturally biased toward Western norms. This results in the mishandling of local values in multilingual societi…
Environmental Drivers of Respiratory Disease: A District Level Analysis
Rahim Iqbal, Asfi Ahamed, Izzath Nisfer +6
Sri Lanka has experienced a decade of progressive forest degradation and rising atmospheric pollution, yet district-level respiratory admissions have paradoxically declined, pointi…
How Environment and Urbanization Shape Bird Diversity in Sri Lanka
Dilusha Chandrasiri, Maneesha Herath, Yasith Hewarathna +6
This study presents a comprehensive analysis of bird diversity across Sri Lanka by integrating spatial, temporal, and environmental data. Bird observation records were combined wit…
Golden Hour Divide: Trauma Care Accessibility and Resource Vulnerability in Sri Lanka
Sonath Kirindage, Vihanga Nimsara, Sakindu Rajapaksa +6
Timely intensive care dictates survival, yet emergency infrastructure remains unevenly distributed across Sri Lanka. While pre-hospital services have expanded, the transition to de…
Fault of Our Stars: Behavioral Drivers of Rating-Sentiment Incongruence
Ramanaish Abaiyan, Ruththiragayan Sutharsan, Kusal Amantha +7
When people share experiences online, they often express thoughts in two ways: a star rating and a written review. In sentiment analysis, ratings are widely used as convenient weak…
The Remittance Blueprint: Data-driven Intelligence for Sri Lanka
Dhinanjaya Fernando, Dinura Ginige, Kalana Lakshan +6
This study analyzes Sri Lankan migration and remittances over 32 years (1994-2025). Using a 384-month harmonized dataset, we apply exploratory data analysis, stationarity corrected…
When Prices Double in a Week: Forecasting of Agricultural Volatility in Import-Isolated Markets
Ranuga Weerasekara, Heshan Nethmina, Manuja Ranathunga +6
Vegetable prices in Sri Lanka are highly volatile because the market is largely import-isolated, so supply disruptions quickly drive prices up. This study develops a machine learni…
Sinhala Physical Common Sense Reasoning Dataset for Global PIQA
Nisansa de Silva, Surangika Ranathunga
This paper presents the first-ever Sinhala physical common sense reasoning dataset created as part of Global PIQA. It contains 110 human-created and verified data samples, where ea…
LMSpell: Spell Correction with Pre-Trained Language Models
Akesh Gunathilake, Nadil Karunarathna, Tharusha Bandaranayake +3
Spell correction is still a challenging problem for many languages, especially low-resource languages (LRLs). While pre-trained language models (PLMs) have been employed for spell…
GeeSanBhava: Sentiment Tagged Sinhala Music Video Comment Data Set
Yomal De Mel, Nisansa de Silva
This study introduce GeeSanBhava, a high-quality data set of Sinhala song comments extracted from YouTube manually tagged using Russells Valence-Arousal model by three independent…
How Good is BLI as an Alignment Measure: A Study in Word Embedding Paradigm
Kasun Wickramasinghe, Nisansa de Silva
Sans a dwindling number of monolingual embedding studies originating predominantly from the low-resource domains, it is evident that multilingual embedding has become the de facto…
DESS: DeBERTa Enhanced Syntactic-Semantic Aspect Sentiment Triplet Extraction
Vishal Thenuwara, Nisansa de Silva
Fine-grained sentiment analysis faces ongoing challenges in Aspect Sentiment Triple Extraction (ASTE), particularly in accurately capturing the relationships between aspects, opini…
Global PIQA: Evaluating Commonsense Reasoning Across 100+ Languages and Cultures
Tyler A. Chang, Catherine Arnett, Abdelrahman Sadallah +377
To date, there exist almost no culturally-specific evaluation benchmarks for large language models (LLMs) that cover a large number of languages and cultures. In this paper, we pre…
ScheduleMe: Multi-Agent Calendar Assistant
Oshadha Wijerathne, Amandi Nimasha, Dushan Fernando +2
Recent advancements in LLMs have contributed to the rise of advanced conversational assistants that can assist with user needs through natural language conversation. This paper pre…
Utilizing Multilingual Encoders to Improve Large Language Models for Low-Resource Languages
Imalsha Puranegedara, Themira Chathumina, Nisal Ranathunga +3
Large Language Models (LLMs) excel in English, but their performance degrades significantly on low-resource languages (LRLs) due to English-centric training. While methods like Lan…
Evolution of Cooperation in LLM-Agent Societies: A Preliminary Study Using Different Punishment Strategies
Kavindu Warnakulasuriya, Prabhash Dissanayake, Navindu De Silva +4
The evolution of cooperation has been extensively studied using abstract mathematical models and simulations. Recent advances in Large Language Models (LLMs) and the rise of LLM ag…
Improving the quality of Web-mined Parallel Corpora of Low-Resource Languages using Debiasing Heuristics
Aloka Fernando, Nisansa de Silva, Menan Velyuthan +2
Parallel Data Curation (PDC) techniques aim to filter out noisy parallel sentences from web-mined corpora. Ranking sentence pairs using similarity scores on sentence embeddings der…
Linguistic Analysis of Sinhala YouTube Comments on Sinhala Music Videos: A Dataset Study
W. M. Yomal De Mel, Nisansa de Silva
This research investigates the area of Music Information Retrieval (MIR) and Music Emotion Recognition (MER) in relation to Sinhala songs, an underexplored field in music studies.…
Sinhala Transliteration: A Comparative Analysis Between Rule-based and Seq2Seq Approaches
Yomal De Mel, Kasun Wickramasinghe, Nisansa de Silva +1
Due to reasons of convenience and lack of tech literacy, transliteration (i.e., Romanizing native scripts instead of using localization tools) is eminently prevalent in the context…
Sinhala Sentence Embedding: A Two-Tiered Structure for Low-Resource Languages
Gihan Weeraprameshwara, Vihanga Jayawickrama, Nisansa de Silva +1
In the process of numerically modeling natural languages, developing language embeddings is a vital step. However, it is challenging to develop functional embeddings for resource-p…
Rule-Based Approach for Party-Based Sentiment Analysis in Legal Opinion Texts
Isanka Rajapaksha, Chanika Ruchini Mudalige, Dilini Karunarathna +3
A document which elaborates opinions and arguments related to the previous court cases is known as a legal opinion text. Lawyers and legal officials have to spend considerable effo…
SigmaLaw-ABSA: Dataset for Aspect-Based Sentiment Analysis in Legal Opinion Texts
Chanika Ruchini Mudalige, Dilini Karunarathna, Isanka Rajapaksha +4
Aspect-Based Sentiment Analysis (ABSA) has been prominent and ongoing research over many different domains, but it is not widely discussed in the legal domain. A number of publicly…