A New Effective Collaborative Filtering Algorithm Based on User's Interest Partition. - Keqin He; Liang He 001; Weiwei Xia (ISCSCT (1), 2008)

Effective Collaborative Filtering Approaches Based on Missing Data Imputation. - Weiwei Xia; Liang He 001; Junzhong Gu; Keqin He (NCM, 2009)