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Understanding users' product preferences is essential to the efficacy of a recommendation system. Precision marketing leverages users' historical data to discern these preferences and recommends products that align with them. However,…

Information Retrieval · Computer Science 2025-01-17 Berke Ugurlu , Ming-Yi Hong , Che Lin

Multi-modal recommender systems (MRSs) are pivotal in diverse online web platforms and have garnered considerable attention in recent years. However, previous studies overlook the challenges of (1) noisy multi-modal content, (2) noisy user…

Information Retrieval · Computer Science 2025-04-03 Guipeng Xv , Xinyu Li , Ruobing Xie , Chen Lin , Chong Liu , Feng Xia , Zhanhui Kang , Leyu Lin

Cross-domain sequential recommendation (CDSR) aims to address the data sparsity problems that exist in traditional sequential recommendation (SR) systems. The existing approaches aim to design a specific cross-domain unit that can transfer…

Information Retrieval · Computer Science 2024-06-06 Wujiang Xu , Xuying Ning , Wenfang Lin , Mingming Ha , Qiongxu Ma , Qianqiao Liang , Xuewen Tao , Linxun Chen , Bing Han , Minnan Luo

Multi-modal sequential recommendation systems leverage auxiliary signals (e.g., text, images) to alleviate data sparsity in user-item interactions. While recent methods exploit large language models to encode modalities into discrete…

Information Retrieval · Computer Science 2025-04-10 Kaiyuan Li , Rui Xiang , Yong Bai , Yongxiang Tang , Yanhua Cheng , Xialong Liu , Peng Jiang , Kun Gai

We propose a novel recommender framework, MuSTRec (Multimodal and Sequential Transformer-based Recommendation), that unifies multimodal and sequential recommendation paradigms. MuSTRec captures cross-item similarities and collaborative…

Information Retrieval · Computer Science 2026-02-10 Bucher Sahyouni , Matthew Vowels , Liqun Chen , Simon Hadfield

Recommender systems predict personalized item rankings based on user preference distributions derived from historical behavior data. Recently, diffusion models (DMs) have gained attention in recommendation for their ability to model complex…

Information Retrieval · Computer Science 2025-04-22 Shuo Liu , An Zhang , Guoqing Hu , Hong Qian , Tat-seng Chua

Multimedia recommendation has received much attention in recent years. It models user preferences based on both behavior information and item multimodal information. Though current GCN-based methods achieve notable success, they suffer from…

Information Retrieval · Computer Science 2023-08-08 Penghang Yu , Zhiyi Tan , Guanming Lu , Bing-Kun Bao

Collaborative filtering is the process of making recommendations regarding the potential preference of a user, for example shopping on the Internet, based on the preference ratings of the user and a number of other users for various items.…

Information Retrieval · Computer Science 2013-01-14 Rita Sharma , David L Poole

Generative models, particularly diffusion model, have emerged as powerful tools for sequential recommendation. However, accurately modeling user preferences remains challenging due to the noise perturbations inherent in the forward and…

Information Retrieval · Computer Science 2025-05-23 Feng Liu , Lixin Zou , Xiangyu Zhao , Min Tang , Liming Dong , Dan Luo , Xiangyang Luo , Chenliang Li

Multimodal data has significantly advanced recommendation systems by integrating diverse information sources to model user preferences and item characteristics. However, these systems often struggle with redundant and irrelevant…

Information Retrieval · Computer Science 2025-09-25 Hui Wang , Jinghui Qin , Wushao Wen , Qingling Li , Shanshan Zhong , Zhongzhan Huang

The user purchase behaviors are mainly influenced by their intentions (e.g., buying clothes for decoration, buying brushes for painting, etc.). Modeling a user's latent intention can significantly improve the performance of recommendations.…

Information Retrieval · Computer Science 2023-11-28 Xiuyuan Qin , Huanhuan Yuan , Pengpeng Zhao , Guanfeng Liu , Fuzhen Zhuang , Victor S. Sheng

Diversity control is an important task to alleviate bias amplification and filter bubble problems. The desired degree of diversity may fluctuate based on users' daily moods or business strategies. However, existing methods for controlling…

Information Retrieval · Computer Science 2024-11-22 Gwangseok Han , Wonbin Kweon , Minsoo Kim , Hwanjo Yu

Session-based recommender systems (SBRSs) have become extremely popular in view of the core capability of capturing short-term and dynamic user preferences. However, most SBRSs primarily maximize recommendation accuracy but ignore user…

Information Retrieval · Computer Science 2024-04-02 Qing Yin , Hui Fang , Zhu Sun , Yew-Soon Ong

Preserving privacy and reducing communication costs for edge users pose significant challenges in recommendation systems. Although federated learning has proven effective in protecting privacy by avoiding data exchange between clients and…

Machine Learning · Computer Science 2023-11-01 Lin Wang , Zhichao Wang , Xi Leng , Xiaoying Tang

Recently, neural networks have been widely used in e-commerce recommender systems, owing to the rapid development of deep learning. We formalize the recommender system as a sequential recommendation problem, intending to predict the next…

Information Retrieval · Computer Science 2020-08-04 Yukuo Cen , Jianwei Zhang , Xu Zou , Chang Zhou , Hongxia Yang , Jie Tang

The exponential growth of web content is a major key to the success for Recommender Systems. This paper addresses the challenge of defining noise, which is inherently related to variability in human preferences and behaviors. In classifying…

Information Retrieval · Computer Science 2025-09-24 Clarita Hawat , Wissam Al Jurdi , Jacques Bou Abdo , Jacques Demerjian , Abdallah Makhoul

The surge in multimedia content has led to the development of Multi-Modal Recommender Systems (MMRecs), which use diverse modalities such as text, images, videos, and audio for more personalized recommendations. However, MMRecs struggle…

Information Retrieval · Computer Science 2025-04-22 Hongji Li , Hanwen Du , Youhua Li , Junchen Fu , Chunxiao Li , Ziyi Zhuang , Jiakang Li , Yongxin Ni

One of the main challenges in recommender systems is data sparsity which leads to high variance. Several attempts have been made to improve the bias-variance trade-off using auxiliary information. In particular, document modeling-based…

Information Retrieval · Computer Science 2021-09-14 Meysam Varasteh , Mehdi Soleiman Nejad , Hadi Moradi , Mohammad Amin Sadeghi , Ahmad Kalhor

The amount of content on online music streaming platforms is immense, and most users only access a tiny fraction of this content. Recommender systems are the application of choice to open up the collection to these users. Collaborative…

Information Retrieval · Computer Science 2017-08-23 Cedric De Boom , Rohan Agrawal , Samantha Hansen , Esh Kumar , Romain Yon , Ching-Wei Chen , Thomas Demeester , Bart Dhoedt

Recurrent neural networks for session-based recommendation have attracted a lot of attention recently because of their promising performance. repeat consumption is a common phenomenon in many recommendation scenarios (e.g., e-commerce,…

Information Retrieval · Computer Science 2018-12-07 Pengjie Ren , Zhumin Chen , Jing Li , Zhaochun Ren , Jun Ma , Maarten de Rijke