Method of collaborative filtering recommendation of personalized product-service system based on user

Feng LYU,Nian LI,Zhuang-zhuang FENG,Yang-hang ZHANG

Journal of Jilin University(Engineering and Technology Edition) . 2023, (7): 1935 -1942 . DOI: 10.13229/j.cnki.jdxbgxb.20210964