English
Related papers

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

200 papers

In the era of information explosion, Recommender Systems (RS) are essential for alleviating information overload and providing personalized user experiences. Recent advances in diffusion-based generative recommenders have shown promise in…

Information Retrieval · Computer Science 2025-11-18 Chengyi Liu , Xiao Chen , Shijie Wang , Wenqi Fan , Qing Li

Forecasting multi-step user behavior trajectories requires reasoning over structured preferences across future actions, a challenge overlooked by traditional sequential recommendation. This problem is critical for applications such as…

Information Retrieval · Computer Science 2025-11-04 Hongtao Huang , Chengkai Huang , Junda Wu , Tong Yu , Julian McAuley , Lina Yao

Estimating Click-Through Rate (CTR) is a vital yet challenging task in personalized product search. However, existing CTR methods still struggle in the product search settings due to the following three challenges including how to more…

Information Retrieval · Computer Science 2023-04-06 Qijie Shen , Hong Wen , Jing Zhang , Qi Rao

The increased model capacity of Diffusion Transformers (DiTs) and the demand for generating higher resolutions of images and videos have led to a significant rise in inference latency, impacting real-time performance adversely. While prior…

Computer Vision and Pattern Recognition · Computer Science 2024-11-22 Xibo Sun , Jiarui Fang , Aoyu Li , Jinzhe Pan

User behavior sequence modeling plays a significant role in Click-Through Rate (CTR) prediction on e-commerce platforms. Except for the interacted items, user behaviors contain rich interaction information, such as the behavior type, time,…

Information Retrieval · Computer Science 2026-04-15 Yimin Lv , Shuli Wang , Beihong Jin , Yisong Yu , Yapeng Zhang , Jian Dong , Yongkang Wang , Xingxing Wang , Dong Wang

User behavior sequences in search systems resemble "interest fossils", capturing genuine intent yet eroded by exposure bias, category drift, and contextual noise. Current methods predominantly follow an "identify-aggregate" paradigm,…

Information Retrieval · Computer Science 2025-09-25 Qihang Zhao , Xiaoyang Zheng , Ben Chen , Zhongbo Sun , Chenyi Lei

Click-Through Rate (CTR) prediction, a core task in recommendation systems, estimates user click likelihood using historical behavioral data. Modeling user behavior sequences as text to leverage Language Models (LMs) for this task has…

Computation and Language · Computer Science 2025-08-06 Zixuan Li , Binzong Geng , Jing Xiong , Yong He , Yuxuan Hu , Jian Chen , Dingwei Chen , Xiyu Chang , Liang Zhang , Linjian Mo , Chengming Li , Chuan Yuan , Zhenan Sun

Two-tower models are widely adopted in the industrial-scale matching stage across a broad range of application domains, such as content recommendations, advertisement systems, and search engines. This model efficiently handles large-scale…

Information Retrieval · Computer Science 2025-03-03 Yihan Wang , Fei Xiong , Zhexin Han , Qi Song , Kaiqiao Zhan , Ben Wang

The rise of online multi-modal sharing platforms like TikTok and YouTube has enabled personalized recommender systems to incorporate multiple modalities (such as visual, textual, and acoustic) into user representations. However, addressing…

Information Retrieval · Computer Science 2024-06-18 Yangqin Jiang , Lianghao Xia , Wei Wei , Da Luo , Kangyi Lin , Chao Huang

Estimating click-through rate (CTR) accurately has an essential impact on improving user experience and revenue in sponsored search. For CTR prediction model, it is necessary to make out user real-time search intention. Most of the current…

Machine Learning · Computer Science 2021-03-31 Feng Li , Zhenrui Chen , Pengjie Wang , Yi Ren , Di Zhang , Xiaoyu Zhu

Personalized search ranking systems are critical for driving engagement and revenue in modern e-commerce and short-video platforms. While existing methods excel at estimating users' broad interests based on the filtered historical…

Information Retrieval · Computer Science 2025-08-26 Qinyao Li , Xiaoyang Zheng , Qihang Zhao , Ke Xu , Zhongbo Sun , Chao Wang , Chenyi Lei , Han Li , Wenwu Ou

Click-through rate (CTR) prediction plays a key role in modern online personalization services. In practice, it is necessary to capture user's drifting interests by modeling sequential user behaviors to build an accurate CTR prediction…

Information Retrieval · Computer Science 2020-05-29 Jiarui Qin , Weinan Zhang , Xin Wu , Jiarui Jin , Yuchen Fang , Yong Yu

Sequential recommendation has become increasingly essential in various online services. It aims to model the dynamic preferences of users from their historical interactions and predict their next items. The accumulated user behavior records…

Information Retrieval · Computer Science 2021-02-19 Qiaoyu Tan , Jianwei Zhang , Ninghao Liu , Xiao Huang , Hongxia Yang , Jingren Zhou , Xia Hu

Predicting fine-grained interests of users with temporal behavior is important to personalization and information filtering applications. However, existing interest prediction methods are incapable of capturing the subtle degreed user…

Machine Learning · Computer Science 2017-10-24 Tong Chen , Lin Wu , Yang Wang , Jun Zhang , Hongxu Chen , Xue Li

In online advertising scenario, sellers often create multiple creatives to provide comprehensive demonstrations, making it essential to present the most appealing design to maximize the Click-Through Rate (CTR). However, sellers generally…

Information Retrieval · Computer Science 2024-01-23 Hao Yang , Jianxin Yuan , Shuai Yang , Linhe Xu , Shuo Yuan , Yifan Zeng

Click-Through Rate (CTR) prediction is one of the main tasks of the recommendation system, which is conducted by a user for different items to give the recommendation results. Cross-domain CTR prediction models have been proposed to…

Information Retrieval · Computer Science 2023-05-23 Menglin Kong , Muzhou Hou , Shaojie Zhao , Feng Liu , Ri Su , Yinghao Chen

Diffusion Probabilistic Models have recently shown remarkable performance in generative image modeling, attracting significant attention in the computer vision community. However, while a substantial amount of diffusion-based research has…

Computer Vision and Pattern Recognition · Computer Science 2023-07-12 Yijun Yang , Huazhu Fu , Angelica I. Aviles-Rivero , Carola-Bibiane Schönlieb , Lei Zhu

Precise user and item embedding learning is the key to building a successful recommender system. Traditionally, Collaborative Filtering(CF) provides a way to learn user and item embeddings from the user-item interaction history. However,…

Information Retrieval · Computer Science 2019-04-24 Le Wu , Peijie Sun , Yanjie Fu , Richang Hong , Xiting Wang , Meng Wang

Lifelong sequential modeling (LSM) is becoming increasingly critical in social media recommendation systems for predicting the click-through rate (CTR) of items presented to users. Central to this process is the attention mechanism, which…

Information Retrieval · Computer Science 2025-04-14 Ting Guo , Zhaoyang Yang , Qinsong Zeng , Ming Chen

Click-through rate (CTR) prediction is a critical task in online advertising systems. Models like Deep Neural Networks (DNNs) are simple but stateless. They consider each target ad independently and cannot directly extract useful…

Information Retrieval · Computer Science 2019-07-23 Wentao Ouyang , Xiuwu Zhang , Shukui Ren , Li Li , Zhaojie Liu , Yanlong Du