A fusion collaborative filtering method for sparse data in recommender systems

C Feng, J Liang, P Song, Z Wang - Information Sciences, 2020 - Elsevier
Collaborative filtering is a fundamental technique in recommender systems, for which
memory-based and matrix-factorization-based collaborative filtering are the two types of …

Matrix factorization with rating completion: An enhanced SVD model for collaborative filtering recommender systems

X Guan, CT Li, Y Guan - IEEE access, 2017 - ieeexplore.ieee.org
Collaborative filtering algorithms, such as matrix factorization techniques, are recently
gaining momentum due to their promising performance on recommender systems. However …

Unified relevance models for rating prediction in collaborative filtering

J Wang, AP De Vries, MJT Reinders - ACM Transactions on Information …, 2008 - dl.acm.org
Collaborative filtering aims at predicting a user's interest for a given item based on a
collection of user profiles. This article views collaborative filtering as a problem highly …

A new item similarity based on α-divergence for collaborative filtering in sparse data

Y Wang, P Wang, Z Liu, LY Zhang - Expert Systems with Applications, 2021 - Elsevier
In big data era, collaborative filtering as one of the most popular recommendation
techniques plays an important role to promote the development of online trade. Similarity …

Multi-domain collaborative filtering

Y Zhang, B Cao, DY Yeung - arXiv preprint arXiv:1203.3535, 2012 - arxiv.org
Collaborative filtering is an effective recommendation approach in which the preference of a
user on an item is predicted based on the preferences of other users with similar interests. A …

Collaborative filtering using orthogonal nonnegative matrix tri-factorization

G Chen, F Wang, C Zhang - Information Processing & Management, 2009 - Elsevier
Collaborative filtering aims at predicting a test user's ratings for new items by integrating
other like-minded users' rating information. The key assumption is that users sharing the …

An improved collaborative filtering method based on similarity

J Feng, X Fengs, N Zhang, J Peng - PloS one, 2018 - journals.plos.org
The recommender system is widely used in the field of e-commerce and plays an important
role in guiding customers to make smart decisions. Although many algorithms are available …

Leveraging tagging for neighborhood-aware probabilistic matrix factorization

L Wu, E Chen, Q Liu, L Xu, T Bao, L Zhang - Proceedings of the 21st …, 2012 - dl.acm.org
Collaborative Filtering (CF) is a popular way to build recommender systems and has been
successfully employed in many applications. Generally, two kinds of approaches to CF, the …

Resolving data sparsity and cold start problem in collaborative filtering recommender system using linked open data

S Natarajan, S Vairavasundaram, S Natarajan… - Expert Systems with …, 2020 - Elsevier
The web contains a huge volume of data, and it's populating every moment to the point that
human beings cannot deal with the vast amount of data manually or via traditional tools …

Unifying explicit and implicit feedback for collaborative filtering

NN Liu, EW Xiang, M Zhao, Q Yang - Proceedings of the 19th ACM …, 2010 - dl.acm.org
Most collaborative filtering algorithms are based on certain statistical models of user
interests built from either explicit feedback (eg: ratings, votes) or implicit feedback (eg: clicks …