Improved covering-based collaborative filtering for new users' personalized recommendations

Z Zhang, Y Kudo, T Murai, Y Ren - Knowledge and Information Systems, 2020 - Springer
User-based collaborative filtering (UBCF) is widely used in recommender systems (RSs) as
one of the most successful approaches, but traditional UBCF cannot provide …

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

Z Zhang, Y Zhang, Y Ren - Information Retrieval Journal, 2020 - Springer
Recommender system (RS) can produce personalized service to users by analyzing their
historical information. User-based collaborative filtering (UBCF) approach is widely utilized …

Neighbor selection for user-based collaborative filtering using covering-based rough sets

Z Zhang, Y Kudo, T Murai - Annals of Operations Research, 2017 - Springer
Recommender systems (RSs) provide personalized information by learning user
preferences. User-based collaborative filtering (UBCF) is a significant technique widely …

Alleviating new user cold-start in user-based collaborative filtering via bipartite network

Z Zhang, M Dong, K Ota, Y Kudo - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
The recommender system (RS) can help us extract valuable data from a huge amount of raw
information. User-based collaborative filtering (UBCF) is widely employed in practical RSs …

Applying covering-based rough set theory to user-based collaborative filtering to enhance the quality of recommendations

Z Zhang, Y Kudo, T Murai - … in Knowledge Modelling and Decision Making …, 2015 - Springer
Recommender systems provide personalized information by learning user preferences.
Collaborative filtering (CF) is a common technique widely used in recommendation systems …

Social network and tag sources based augmenting collaborative recommender system

T Ma, J Zhou, M Tang, Y Tian… - IEICE transactions on …, 2015 - search.ieice.org
Recommender systems, which provide users with recommendations of content suited to
their needs, have received great attention in today's online business world. However, most …

Scalable explore-exploit collaborative filtering

F Guillou, R Gaudel, P Preux - Pacific Asia Conference on Information …, 2016 - hal.science
Recommender Systems (RS) aim at suggesting to users one or several items in which they
might have interest. These systems have to update themselves as users provide new …

Enhancing recommendation accuracy of item-based collaborative filtering via item-variance weighting

ZP Zhang, Y Kudo, T Murai, YG Ren - Applied Sciences, 2019 - mdpi.com
Recommender systems (RS) analyze user rating information and recommend items that may
interest users. Item-based collaborative filtering (IBCF) is widely used in RSs. However …

LBCF: A link-based collaborative filtering for overfitting problem in recommender system

Z Zhang, M Dong, K Ota, Y Zhang… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Recommender system (RS) suggests relevant objects to generate personalized service and
minimize information overload issue. User-based collaborative filtering (UBCF) plays a …

Enhancing collaborative filtering by user interest expansion via personalized ranking

Q Liu, E Chen, H Xiong, CHQ Ding… - IEEE Transactions on …, 2011 - ieeexplore.ieee.org
Recommender systems suggest a few items from many possible choices to the users by
understanding their past behaviors. In these systems, the user behaviors are influenced by …