Employing neighborhood reduction for alleviating sparsity and cold start problems in user-based collaborative filtering

Zhang, ZP; Zhang, Y; Ren, YG

Ren, YG (corresponding author), Liaoning Normal Univ, Sch Comp & Informat Technol, Dalian 116029, Peoples R China.; Zhang, Y (corresponding author), Dalian Polytech Univ, Sch Mech Engn & Automat, Dalian 116034, Peoples R China.

INFORMATION RETRIEVAL JOURNAL, 2020; 23 (4): 449

Abstract

Recommender system (RS) can produce personalized service to users by analyzing their historical information. User-based collaborative filtering (UBCF)......

Full Text Link