Leveraging clustering to improve collaborative filtering

N Mirbakhsh, CX Ling - Information Systems Frontiers, 2018 - Springer
Extensive work on matrix factorization (MF) techniques have been done recently as they
provide accurate rating prediction models in recommendation systems. Additional …

Confidence-aware matrix factorization for recommender systems

C Wang, Q Liu, R Wu, E Chen, C Liu, X Huang… - Proceedings of the …, 2018 - ojs.aaai.org
Collaborative filtering (CF), particularly matrix factorization (MF) based methods, have been
widely used in recommender systems. The literature has reported that matrix factorization …

Kernelized probabilistic matrix factorization for collaborative filtering: exploiting projected user and item graph

B Pal, M Jenamani - Proceedings of the 12th ACM conference on …, 2018 - dl.acm.org
Matrix Factorization (MF) techniques have already shown its strong foundation in
collaborative filtering (CF), particularly for rating prediction problem. In the basic MF model …

Dynamic recommender system: using cluster-based biases to improve the accuracy of the predictions

M Gueye, T Abdessalem, H Naacke - Advances in Knowledge Discovery …, 2016 - Springer
It is today accepted that matrix factorization models allow a high quality of rating prediction in
recommender systems. However, a major drawback of matrix factorization is its static nature …

A probabilistic model for the cold-start problem in rating prediction using click data

TB Nguyen, A Takasu - … , ICONIP 2017, Guangzhou, China, November 14 …, 2017 - Springer
One of the most efficient methods in collaborative filtering is matrix factorization, which finds
the latent vector representations of users and items based on the ratings of users to items …

Hgmf: Hierarchical group matrix factorization for collaborative recommendation

X Wang, W Pan, C Xu - Proceedings of the 23rd ACM International …, 2014 - dl.acm.org
Matrix factorization is one of the most powerful techniques in collaborative filtering, which
models the (user, item) interactions behind historical explicit or implicit feedbacks. However …

On Exploiting Rating Prediction Accuracy Features in Dense Collaborative Filtering Datasets

D Spiliotopoulos, D Margaris, C Vassilakis - Information, 2022 - mdpi.com
One of the typical goals of collaborative filtering algorithms is to produce rating predictions
with values very close to what real users would give to an item. Afterward, the items having …

[图书][B] Collaborative filtering: A machine learning perspective

B Marlin - 2004 - Citeseer
Collaborative filtering was initially proposed as a framework for filtering information based
on the preferences of users, and has since been refined in many different ways. This thesis …

Investigation of various matrix factorization methods for large recommender systems

G Takács, I Pilászy, B Németh, D Tikk - … of the 2nd KDD Workshop on …, 2008 - dl.acm.org
Matrix Factorization (MF) based approaches have proven to be efficient for rating-based
recommendation systems. In this work, we propose several matrix factorization approaches …

WEMAREC: Accurate and scalable recommendation through weighted and ensemble matrix approximation

C Chen, D Li, Y Zhao, Q Lv, L Shang - Proceedings of the 38th …, 2015 - dl.acm.org
Matrix approximation is one of the most effective methods for collaborative filtering-based
recommender systems. However, the high computation complexity of matrix factorization on …