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The low-rank tensor approximation is very promising for the compression of deep neural networks. We propose a new simple and efficient iterative approach, which alternates low-rank factorization with a smart rank selection and fine-tuning.…

Machine Learning · Computer Science 2019-11-18 Julia Gusak , Maksym Kholiavchenko , Evgeny Ponomarev , Larisa Markeeva , Ivan Oseledets , Andrzej Cichocki

Large-scale industrial recommender systems are usually confronted with computational problems due to the enormous corpus size. To retrieve and recommend the most relevant items to users under response time limits, resorting to an efficient…

Information Retrieval · Computer Science 2019-11-21 Han Zhu , Daqing Chang , Ziru Xu , Pengye Zhang , Xiang Li , Jie He , Han Li , Jian Xu , Kun Gai

Multimodal recommender systems (MRS) integrate heterogeneous user and item data, such as text, images, and structured information, to enhance recommendation performance. The emergence of large language models (LLMs) introduces new…

Information Retrieval · Computer Science 2025-05-16 Alejo Lopez-Avila , Jinhua Du

Traditional recommendation systems often grapple with "filter bubbles", underutilization of external knowledge, and a disconnect between model optimization and business policy iteration. To address these limitations, this paper introduces…

Artificial Intelligence · Computer Science 2025-06-25 Yu Xie , Xingkai Ren , Ying Qi , Yao Hu , Lianlei Shan

Recent studies have explored integrating large language models (LLMs) into recommendation systems but face several challenges, including training-induced bias and bottlenecks from serialized architecture. To effectively address these…

Information Retrieval · Computer Science 2025-09-16 Donghee Han , Hwanjun Song , Mun Yong Yi

Recommendation systems are a core feature of social media companies with their uses including recommending organic and promoted contents. Many modern recommendation systems are split into multiple stages - candidate generation and heavy…

Factorization machine (FM) is an effective model for feature-based recommendation which utilizes inner product to capture second-order feature interactions. However, one of the major drawbacks of FM is that it couldn't capture complex…

Machine Learning · Computer Science 2024-04-03 Enneng Yang , Xin Xin , Li Shen , Guibing Guo

Matrix factorization is a popular method to build a recommender system. In such a system, existing users and items are associated to a low-dimension vector called a profile. The profiles of a user and of an item can be combined (via inner…

Cryptography and Security · Computer Science 2018-12-04 Fabrice Benhamouda , Marc Joye

Traditional recommendation methods, which typically focus on modeling a single user behavior (e.g., purchase), often face severe data sparsity issues. Multi-behavior recommendation methods offer a promising solution by leveraging user data…

Information Retrieval · Computer Science 2026-03-20 Mingshi Yan , Zhiyong Cheng , Yahong Han , Meng Wang

Most existing recommender systems leverage user behavior data of one type only, such as the purchase behavior in E-commerce that is directly related to the business KPI (Key Performance Indicator) of conversion rate. Besides the key…

Information Retrieval · Computer Science 2020-02-11 Chen Gao , Xiangnan He , Dahua Gan , Xiangning Chen , Fuli Feng , Yong Li , Tat-Seng Chua , Lina Yao , Yang Song , Depeng Jin

Latent class models are powerful statistical modeling tools widely used in psychological, behavioral, and social sciences. In the modern era of data science, researchers often have access to response data collected from large-scale surveys…

Methodology · Statistics 2025-01-08 Zhenghao Zeng , Yuqi Gu , Gongjun Xu

The so-called block-term decomposition (BTD) tensor model has been recently receiving increasing attention due to its enhanced ability of representing systems and signals that are composed of \emph{blocks} of rank higher than one, a…

Numerical Analysis · Mathematics 2021-04-21 Athanasios A. Rontogiannis , Eleftherios Kofidis , Paris V. Giampouras

Over the past decades, recommendation has become a critical component of many online services such as media streaming and e-commerce. Recent advances in algorithms, evaluation methods and datasets have led to continuous improvements of the…

Information Retrieval · Computer Science 2021-11-30 Olivier Koch , Amine Benhalloum , Guillaume Genthial , Denis Kuzin , Dmitry Parfenchik

A standard approach to Collaborative Filtering (CF), i.e. prediction of user ratings on items, relies on Matrix Factorization techniques. Representations for both users and items are computed from the observed ratings and used for…

Information Retrieval · Computer Science 2015-06-23 Gabriella Contardo , Ludovic Denoyer , Thierry Artieres

Acquiring valuable data from the rapidly expanding information on the internet has become a significant concern, and recommender systems have emerged as a widely used and effective tool for helping users discover items of interest. The…

Information Retrieval · Computer Science 2025-02-25 Jinfeng Xu , Zheyu Chen , Shuo Yang , Jinze Li , Wei Wang , Xiping Hu , Steven Hoi , Edith Ngai

Online stores and service providers rely heavily on recommendation softwares to guide users through the vast amount of available products. Consequently, the field of recommender systems has attracted increased attention from the industry…

Information Retrieval · Computer Science 2022-10-17 Abdullah Alhadlaq , Said Kerrache , Hatim Aboalsamh

Collaborative filtering is the most popular approach for recommender systems. One way to perform collaborative filtering is matrix factorization, which characterizes user preferences and item attributes using latent vectors. These latent…

Information Retrieval · Computer Science 2018-05-15 ThaiBinh Nguyen , Kenro Aihara , Atsuhiro Takasu

Deep learning-based recommendation systems (e.g., DLRMs) are widely used AI models to provide high-quality personalized recommendations. Training data used for modern recommendation systems commonly includes categorical features taking on…

Information Retrieval · Computer Science 2026-01-06 Gopi Krishna Jha , Anthony Thomas , Nilesh Jain , Sameh Gobriel , Tajana Rosing , Ravi Iyer

Recommender systems are a class of machine learning algorithms that provide relevant recommendations to a user based on the user's interaction with similar items or based on the content of the item. In settings where the content of the item…

Information Retrieval · Computer Science 2020-10-27 Xavier Thomas

Recent advancements in Multimodal Large Language Models (MLLMs) have demonstrated significant potential in recommendation systems. However, the effective application of MLLMs to multimodal sequential recommendation remains unexplored: A)…

Information Retrieval · Computer Science 2025-12-25 Haoyu Wang , Yitong Wang , Jining Wang