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Recommender systems are indispensable in the realm of online applications, and sequential recommendation has enjoyed considerable prevalence due to its capacity to encapsulate the dynamic shifts in user interests. However, previous…

Information Retrieval · Computer Science 2024-04-16 Junzhe Jiang , Shang Qu , Mingyue Cheng , Qi Liu , Zhiding Liu , Hao Zhang , Rujiao Zhang , Kai Zhang , Rui Li , Jiatong Li , Min Gao

Information technology has spread widely, and extraordinarily large amounts of data have been made accessible to users, which has made it challenging to select data that are in accordance with user needs. For the resolution of the above…

Information Retrieval · Computer Science 2020-08-05 Saman Forouzandeh , Mehrdad Rostami , Kamal Berahmand

Diffusion models have emerged as a powerful paradigm for generative sequential recommendation, which typically generate next items to recommend guided by user interaction histories with a multi-step denoising process. However, the…

Information Retrieval · Computer Science 2025-10-23 Wenyu Mao , Jiancan Wu , Guoqing Hu , Zhengyi Yang , Wei Ji , Xiang Wang

Real-time prediction plays a vital role in various control systems, such as traffic congestion control and wireless channel resource allocation. In these scenarios, the predictor usually needs to track the evolution of the latent…

Optimization and Control · Mathematics 2024-08-14 Zhenting Luan , Defeng Sun , Haoning Wang , Liping Zhang

Available recommender systems mostly provide recommendations based on the users preferences by utilizing traditional methods such as collaborative filtering which only relies on the similarities between users and items. However,…

Information Retrieval · Computer Science 2015-08-10 Kasra Madadipouya

Generative models have emerged as a promising utility to enhance recommender systems. It is essential to model both item content and user-item collaborative interactions in a unified generative framework for better recommendation. Although…

Information Retrieval · Computer Science 2024-11-13 Yidan Wang , Zhaochun Ren , Weiwei Sun , Jiyuan Yang , Zhixiang Liang , Xin Chen , Ruobing Xie , Su Yan , Xu Zhang , Pengjie Ren , Zhumin Chen , Xin Xin

Sequential recommendation models user preferences to predict the next target item. Most existing work is passive, where the system responds only when users open the application, missing chances after closure. We investigate active…

Information Retrieval · Computer Science 2025-11-25 Jin Chai , Xiaoxiao Ma , Jian Yang , Jia Wu

Recommender systems is one of the most successful AI technologies applied in the internet cooperations. Popular internet products such as TikTok, Amazon, and YouTube have all integrated recommender systems as their core product feature.…

Information Retrieval · Computer Science 2020-11-10 Hao Wang , Bing Ruan

Recommender systems that can learn from cross-session data to dynamically predict the next item a user will choose are crucial for online platforms. However, existing approaches often use out-of-the-box sequence models which are limited by…

Social and Information Networks · Computer Science 2019-04-14 Jiaxuan You , Yichen Wang , Aditya Pal , Pong Eksombatchai , Chuck Rosenberg , Jure Leskovec

In recent years, text-aware collaborative filtering methods have been proposed to address essential challenges in recommendations such as data sparsity, cold start problem, and long-tail distribution. However, many of these text-oriented…

Information Retrieval · Computer Science 2020-09-01 Zhimeng Pan , Wenzheng Tao , Qingyao Ai

Recommender systems are mostly well known for their applications in e-commerce sites and are mostly static models. Classical personalized recommender algorithm includes item-based collaborative filtering method applied in Amazon, matrix…

Information Retrieval · Computer Science 2016-07-12 Zhiyuan Fang , Lingqi Zhang , Kun Chen

Recent advances in path-based explainable recommendation systems have attracted increasing attention thanks to the rich information provided by knowledge graphs. Most existing explainable recommendations only utilize static knowledge graphs…

Information Retrieval · Computer Science 2021-11-25 Yicong Li , Hongxu Chen , Yile Li , Lin Li , Philip S. Yu , Guandong Xu

Recommendation models can effectively estimate underlying user interests and predict one's future behaviors by factorizing an observed user-item rating matrix into products of two sets of latent factors. However, the user-specific embedding…

Information Retrieval · Computer Science 2022-03-08 Qitian Wu , Hengrui Zhang , Xiaofeng Gao , Junchi Yan , Hongyuan Zha

Recommender system is currently widely used in many e-commerce systems, such as Amazon, eBay, and so on. It aims to help users to find items which they may be interested in. In literature, neighborhood-based collaborative filtering and…

Social and Information Networks · Computer Science 2016-08-09 Yefeng Ruan , Tzu-Chun Lin

Recommender systems are software tools used to generate and provide suggestions for items and other entities to the users by exploiting various strategies. Hybrid recommender systems combine two or more recommendation strategies in…

Information Retrieval · Computer Science 2019-01-15 Erion Çano , Maurizio Morisio

Sequential recommendation is essential in modern recommender systems, aiming to predict the next item a user may interact with based on their historical behaviors. However, real-world scenarios are often dynamic and subject to shifts in…

Information Retrieval · Computer Science 2025-04-03 Changshuo Zhang , Xiao Zhang , Teng Shi , Jun Xu , Ji-Rong Wen

We present our solution to the job recommendation task for RecSys Challenge 2016. The main contribution of our work is to combine temporal learning with sequence modeling to capture complex user-item activity patterns to improve job…

Machine Learning · Computer Science 2016-08-16 Kuan Liu , Xing Shi , Anoop Kumar , Linhong Zhu , Prem Natarajan

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

We focus on the problem of streaming recommender system and explore novel collaborative filtering algorithms to handle the data dynamicity and complexity in a streaming manner. Although deep neural networks have demonstrated the…

Machine Learning · Computer Science 2019-06-12 Qingquan Song , Shiyu Chang , Xia Hu

Conventional collaborative filtering techniques don't take into consideration the effect of discrepancy in users' rating perception. Some users may rarely give 5 stars to items while others almost always assign 5 stars to the chosen item.…

Information Retrieval · Computer Science 2022-05-11 Nikita Marin , Elizaveta Makhneva , Maria Lysyuk , Vladimir Chernyy , Ivan Oseledets , Evgeny Frolov