Fast and Accurate User Cold-Start Learning Using Monte Carlo Tree Search. - Dilina Chandika Rajapakse; Douglas J. Leith (RecSys, 2022)

RLT4Rec: Reinforcement Learning Transformer for User Cold Start and Item Recommendation. - Dilina Chandika Rajapakse; Douglas J. Leith (CoRR, 2024)

Reassessing the Effectiveness of Reinforcement Learning based Recommender Systems for Sequential Recommendation. - Dilina Chandika Rajapakse; Dietmar Jannach (SIGIR, 2025)

User Cold-Start Learning in Recommender Systems using Monte Carlo Tree Search. - Dilina Chandika Rajapakse; Douglas J. Leith (Trans. Recomm. Syst., 2025)