Sentiment Analysis for Sinhala Language using Deep Learning Techniques. - Lahiru Senevirathne; Piyumal Demotte; Binod Karunanayake; Udyogi Munasinghe; Surangika Ranathunga (CoRR, 2020)

Dual-State Capsule Networks for Text Classification. - Piyumal Demotte; Surangika Ranathunga (CoRR, 2021)

BERTifying Sinhala - A Comprehensive Analysis of Pre-trained Language Models for Sinhala Text Classification. - Vinura Dhananjaya; Piyumal Demotte; Surangika Ranathunga; Sanath Jayasena (LREC, 2022)

Enhanced sentiment extraction architecture for social media content analysis using capsule networks. - Piyumal Demotte; Kalana Wijegunarathna; Dulani Meedeniya; I. Perera (Multim. Tools Appl., 2023)