Players' interest measurement based on visiting time in a location-based game. - Satoshi Chiba; Bang Hai Le; Ruck Thawonmas (GCCE, 2014)

Collaborative filtering for recommendation of areas in virtual worlds. - Kanta Kawase; Bang Hai Le; Ruck Thawonmas (NETGAMES, 2014)

An Extension for Bounded-SVD - A Matrix Factorization Method with Bound Constraints for Recommender Systems. - Bang Hai Le; Kazuki Mori; Ruck Thawonmas (J. Inf. Process., 2016)