4 papers
Forecasting Weather-Driven Price Dynamics Across Sri Lankan Tea Market Catalogues
Hesandi Mallawarachchi, Senilka Madurapperumage, Nadil Kulathunge +6
The Colombo Tea Auction (CTA) plays a vital role in determining global tea prices, yet the relationship between local weather conditions and price behavior across different tea cat…
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…
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…
TopoCast: A Topological Fidelity Framework for Evaluating Transformer-Based Time Series Forecasting
Sandeepa Weerasekara, Sandareka Wickramanayake
Deep learning-based models have achieved state-of-the-art performance in Time Series Forecasting (TSF), yet their evaluation remains dominated by pointwise error metrics such as Me…