A Study on the Improved Collaborative Filtering Algorithm for Recommender System. - Hee-Choon Lee; Seok Jun Lee; Young-Jun Chung (SERA, 2007)

A Proposal on the Error Bound of Collaborative Filtering Recommender System. - Uk-Pyo Han; Gil-Mo Yang; Jae-Soo Yoo; Young-Jun Chung; Hee-Choon Lee (MUE, 2008)

Performance Evaluation of Pre-evaluation Functions in the Collaborative Filtering Recommender System. - Hee-Choon Lee; Sang-Eon Park; Seok Jun Lee; Young-Jun Chung (PDPTA, 2009)