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Related papers: Modeling Long-term User Behaviors with Diffusion-d…

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Diffusion models have emerged as powerful generative frameworks by progressively adding noise to data through a forward process and then reversing this process to generate realistic samples. While these models have achieved strong…

Machine Learning · Computer Science 2025-03-04 Xingzhuo Guo , Yu Zhang , Baixu Chen , Haoran Xu , Jianmin Wang , Mingsheng Long

User intention which often changes dynamically is considered to be an important factor for modeling users in the design of recommendation systems. Recent studies are starting to focus on predicting user intention (what users want) beyond…

Information Retrieval · Computer Science 2021-07-19 Arpita Chaudhuri , Debasis Samanta , Monalisa Sarma

User historical behaviors are proved useful for Click Through Rate (CTR) prediction in online advertising system. In Meituan, one of the largest e-commerce platform in China, an item is typically displayed with its image and whether a user…

Computer Vision and Pattern Recognition · Computer Science 2022-05-06 Xin Chen , Qingtao Tang , Ke Hu , Yue Xu , Shihang Qiu , Jia Cheng , Jun Lei

With the rapid growth of user historical behavior data, user interest modeling has become a prominent aspect in Click-Through Rate (CTR) prediction, focusing on learning user intent representations. However, this complexity poses…

Information Retrieval · Computer Science 2025-05-09 Xin Song , Xiaochen Li , Jinxin Hu , Hong Wen , Zulong Chen , Yu Zhang , Xiaoyi Zeng , Jing Zhang

Long-horizon contact-rich manipulation has long been a challenging problem, as it requires reasoning over both discrete contact modes and continuous object motion. We introduce Implicit Contact Diffuser (ICD), a diffusion-based model that…

Robotics · Computer Science 2024-10-23 Zixuan Huang , Yinong He , Yating Lin , Dmitry Berenson

Large quantities of social activity data, such as weekly web search volumes and the number of new infections with infectious diseases, reflect peoples' interests and activities. It is important to discover temporal patterns from such data…

Social and Information Networks · Computer Science 2025-05-02 Shingo Higashiguchi , Yasuko Matsubara , Koki Kawabata , Taichi Murayama , Yasushi Sakurai

This paper addresses the challenge of jointly modeling user intent diversity and behavioral uncertainty in recommender systems. A unified representation learning framework is proposed. The framework builds a multi-intent representation…

Information Retrieval · Computer Science 2025-09-08 Wei Xu , Jiasen Zheng , Junjiang Lin , Mingxuan Han , Junliang Du

Cross-domain Recommendation (CDR) exploits multi-domain correlations to alleviate data sparsity. As a core task within this field, inter-domain recommendation focuses on predicting preferences for users who interact in a source domain but…

Information Retrieval · Computer Science 2026-04-08 Ziang Lu , Lei Sang , Lin Mu , Yiwen Zhang

Recent studies on Click-Through Rate (CTR) prediction has reached new levels by modeling longer user behavior sequences. Among others, the two-stage methods stand out as the state-of-the-art (SOTA) solution for industrial applications. The…

Information Retrieval · Computer Science 2022-09-27 Qiwei Chen , Yue Xu , Changhua Pei , Shanshan Lv , Tao Zhuang , Junfeng Ge

With the great success of diffusion models (DMs) in generating realistic synthetic vision data, many researchers have investigated their potential in decision-making and control. Most of these works utilized DMs to sample directly from the…

Machine Learning · Computer Science 2026-05-19 Hanye Zhao , Xiaoshen Han , Zhengbang Zhu , Minghuan Liu , Yong Yu , De-Chuan Zhan , Weinan Zhang

Research on influence maximization has often to cope with marketing needs relating to the propagation of information towards specific users. However, little attention has been paid to the fact that the success of an information diffusion…

Social and Information Networks · Computer Science 2018-04-23 Antonio Caliò , Roberto Interdonato , Chiara Pulice , Andrea Tagarelli

Precise user modeling is critical for online personalized recommendation services. Generally, users' interests are diverse and are not limited to a single aspect, which is particularly evident when their behaviors are observed for a longer…

Information Retrieval · Computer Science 2021-05-19 Jianxun Lian , Iyad Batal , Zheng Liu , Akshay Soni , Eun Yong Kang , Yajun Wang , Xing Xie

Video moment retrieval and highlight detection have received attention in the current era of video content proliferation, aiming to localize moments and estimate clip relevances based on user-specific queries. Given that the video content…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Henghao Zhao , Kevin Qinghong Lin , Rui Yan , Zechao Li

The recommendation methods based on network diffusion have been shown to perform well in both recommendation accuracy and diversity. Nowdays, numerous extensions have been made to further improve the performance of such methods. However, to…

Physics and Society · Physics 2019-08-13 Peng Zhang , Leyang Xue , An Zeng

Information diffusion prediction aims at predicting the target users in the information diffusion path on social networks. Prior works mainly focus on the observed structure or sequence of cascades, trying to predict to whom this cascade…

Social and Information Networks · Computer Science 2023-08-09 Xiaowen Wang , Lanjun Wang , Yuting Su , Yongdong Zhang , An-An Liu

Click-through rate prediction is a critical task in online advertising. Currently, many existing methods attempt to extract user potential interests from historical click behavior sequences. However, it is difficult to handle sparse user…

Artificial Intelligence · Computer Science 2022-02-08 Wensen Jiang , Yizhu Jiao , Qingqin Wang , Chuanming Liang , Lijie Guo , Yao Zhang , Zhijun Sun , Yun Xiong , Yangyong Zhu

Personalized sequential recommendation aims to predict appropriate items for users based on their behavioral sequences. To alleviate data sparsity and interest drift issues, conventional approaches typically incorporate auxiliary behaviors…

Information Retrieval · Computer Science 2025-08-08 Yongfu Zha , Xinxin Dong , Haokai Ma , Yonghui Yang , Xiaodong Wang

Probabilistic models can learn users' preferences from the history of their item adoptions on a social media site, and in turn, recommend new items to users based on learned preferences. However, current models ignore psychological factors…

Information Retrieval · Computer Science 2013-11-07 Jeon-Hyung Kang , Kristina Lerman

User interests can be viewed over different time scales, mainly including stable long-term preferences and changing short-term intentions, and their combination facilitates the comprehensive sequential recommendation. However, existing work…

Information Retrieval · Computer Science 2024-07-23 Xinyu Zhang , Beibei Li , Beihong Jin

Diffusion models generate highly realistic images by learning a multi-step denoising process, naturally embodying the principles of multi-task learning (MTL). Despite the inherent connection between diffusion models and MTL, there remains…

Computer Vision and Pattern Recognition · Computer Science 2024-02-22 Byeongjun Park , Sangmin Woo , Hyojun Go , Jin-Young Kim , Changick Kim