Matrix factorization meets cosine similarity: addressing sparsity problem in collaborative filtering recommender system

H Wen, G Ding, C Liu, J Wang - … and Applications: 16th Asia-Pacific Web …, 2014 - Springer
Matrix factorization (MF) technique has been widely used in collaborative filtering
recommendation systems. However, MF still suffers from data sparsity problem. Although …

SCMF: sparse covariance matrix factorization for collaborative filtering

J Shi, N Wang, Y Xia, DY Yeung, I King… - Proceedings of the …, 2013 - repository.ust.hk
Matrix factorization (MF) is a popular collaborative filtering approach for recommender
systems due to its simplicity and effectiveness. Existing MF methods either assume that all …

Integrating user-side information into matrix factorization to address data sparsity of collaborative filtering

G Behera, N Nain, RK Soni - Multimedia Systems, 2024 - Springer
Recommendation techniques play a vital role in recommending an actual product to an
intended user. The recommendation also supports the user in the decision-making process …

Improving matrix factorization-based recommender via ensemble methods

X Luo, Y Ouyang, X Zhang - International Journal of Information …, 2011 - World Scientific
One of the most popular approaches to Collaborative Filtering is based on Matrix
Factorization (MF). In this paper, we focus on improving MF-based recommender's accuracy …

[PDF][PDF] Sparse probabilistic matrix factorization by laplace distribution for collaborative filtering

L Jing, P Wang, L Yang - Twenty-Fourth International Joint Conference on …, 2015 - ijcai.org
In recommendation systems, probabilistic matrix factorization (PMF) is a state-of-the-art
collaborative filtering method by determining the latent features to represent users and …

Contextual collaborative filtering via hierarchical matrix factorization

E Zhong, W Fan, Q Yang - Proceedings of the 2012 SIAM International …, 2012 - SIAM
Matrix factorization (MF) has been demonstrated to be one of the most competitive
techniques for collaborative filtering. However, state-of-the-art MFs do not consider …

Improving a recommender system by collective matrix factorization with tag information

BS Kim, H Kim, J Lee, JH Lee - 2014 Joint 7th International …, 2014 - ieeexplore.ieee.org
Collaborative filtering (CF) is the most widely used method of recommender systems.
However, it is hard to give users reliable recommendation when there is little information …

An imputation-based matrix factorization method for improving accuracy of collaborative filtering systems

M Ranjbar, P Moradi, M Azami, M Jalili - Engineering Applications of …, 2015 - Elsevier
Matrix-Factorization (MF) is an accurate and scalable approach for collaborative filtering
(CF)-based recommender systems. The performance of matrix MF methods depends on how …

Matrix factorization for recommendation with explicit and implicit feedback

S Chen, Y Peng - Knowledge-Based Systems, 2018 - Elsevier
Matrix factorization (MF) methods have proven as efficient and scalable approaches for
collaborative filtering problems. Numerous existing MF methods rely heavily on explicit …

Generating pseudotransactions for improving sparse matrix factorization

AT Wibowo - Proceedings of the 10th ACM conference on …, 2016 - dl.acm.org
Recent research on Recommender Systems, specifically Collaborative Filtering, has
focussed on Matrix Factorization (MF) methods, which have been shown to provide good …