• 中国计算机学会会刊
  • 中国科技核心期刊
  • 中文核心期刊
A collaborative filtering recommendation method
based on clustering of gray association degree
and factors of tag overlap 
ZHAO Hongchen1,ZHAI Lili1,2,ZHANG Shuchen1,2
Computer Engineering & Science . 2016, (01): 171 -176 .