期刊： FRONTIERS IN BIG DATA, 2021; 4 ()
Recommender systems aim to provide item recommendations for users and are usually faced with data sparsity problems (e.g., cold start) in real-world s......
期刊： FRONTIERS IN BIG DATA, 2021; 4 ()
The ultimate goal of the social sciences is to find a general social theory encompassing all aspects of social and collective phenomena. The tradition......
