Advances in collaborative filtering

Y Koren, S Rendle, R Bell - Recommender systems handbook, 2021 - Springer
Collaborative filtering (CF) methods produce recommendations based on usage patterns
without the need of exogenous information about items or users. CF algorithms have shown …

Position-transitional particle swarm optimization-incorporated latent factor analysis

X Luo, Y Yuan, S Chen, N Zeng… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
High-dimensional and sparse (HiDS) matrices are frequently found in various industrial
applications. A latent factor analysis (LFA) model is commonly adopted to extract useful …

Hierarchical particle swarm optimization-incorporated latent factor analysis for large-scale incomplete matrices

J Chen, X Luo, M Zhou - IEEE Transactions on Big Data, 2021 - ieeexplore.ieee.org
A Stochastic Gradient Descent (SGD)-based Latent Factor Analysis (LFA) model is highly
efficient in representative learning on a High-Dimensional and Sparse (HiDS) matrix, where …

On the difficulty of evaluating baselines: A study on recommender systems

S Rendle, L Zhang, Y Koren - arXiv preprint arXiv:1905.01395, 2019 - arxiv.org
Numerical evaluations with comparisons to baselines play a central role when judging
research in recommender systems. In this paper, we show that running baselines properly is …

Fast adaptively weighted matrix factorization for recommendation with implicit feedback

J Chen, C Wang, S Zhou, Q Shi, J Chen, Y Feng… - Proceedings of the AAAI …, 2020 - aaai.org
Recommendation from implicit feedback is a highly challenging task due to the lack of the
reliable observed negative data. A popular and effective approach for implicit …

The datasets dilemma: How much do we really know about recommendation datasets?

JY Chin, Y Chen, G Cong - … Conference on Web Search and Data …, 2022 - dl.acm.org
There has been sustained interest from both academia and industry throughout the years
due to the importance and practicability of recommendation systems. However, several …

A differential evolution-enhanced position-transitional approach to latent factor analysis

J Chen, R Wang, D Wu, X Luo - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
High-dimensional and sparse (HiDS) matrices are frequently adopted to describe the
complex relationships in various big data-related systems and applications. A Position …

Samwalker: Social recommendation with informative sampling strategy

J Chen, C Wang, S Zhou, Q Shi, Y Feng… - The World Wide Web …, 2019 - dl.acm.org
Recommendation from implicit feedback is a highly challenging task due to the lack of
reliable negative feedback data. Only positive feedback are observed and the unobserved …

Parallel fractional stochastic gradient descent with adaptive learning for recommender systems

F Elahi, M Fazlali, HT Malazi… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
The structural change toward the digital transformation of online sales elevates the
importance of parallel processing techniques in recommender systems, particularly in the …

An adaptive latent factor model via particle swarm optimization

Q Wang, S Chen, X Luo - Neurocomputing, 2019 - Elsevier
Latent factor (LF) models are greatly efficient in extracting valuable knowledge from High-
Dimensional and Sparse (HiDS) matrices which are usually seen in many industrial …