English
Related papers

Related papers: RecDiff: Diffusion Model for Social Recommendation

200 papers

The diffusion-based text-to-image model harbors immense potential in transferring reference style. However, current encoder-based approaches significantly impair the text controllability of text-to-image models while transferring styles. In…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Tianhao Qi , Shancheng Fang , Yanze Wu , Hongtao Xie , Jiawei Liu , Lang Chen , Qian He , Yongdong Zhang

Aligning agent behaviors with diverse human preferences remains a challenging problem in reinforcement learning (RL), owing to the inherent abstractness and mutability of human preferences. To address these issues, we propose AlignDiff, a…

Artificial Intelligence · Computer Science 2024-02-06 Zibin Dong , Yifu Yuan , Jianye Hao , Fei Ni , Yao Mu , Yan Zheng , Yujing Hu , Tangjie Lv , Changjie Fan , Zhipeng Hu

Diffusion models, as a type of generative model, have achieved impressive results in generating images and videos conditioned on textual conditions. However, the generation process of diffusion models involves denoising dozens of steps to…

Computer Vision and Pattern Recognition · Computer Science 2024-12-31 Hui Zhang , Zuxuan Wu , Zhen Xing , Jie Shao , Yu-Gang Jiang

Recommender models aimed at mining users' behavioral patterns have raised great attention as one of the essential applications in daily life. Recent work on graph neural networks (GNNs) or debiasing methods has attained remarkable gains.…

Information Retrieval · Computer Science 2024-09-05 Xinfeng Wang , Fumiyo Fukumoto , Jin Cui , Yoshimi Suzuki , Jiyi Li , Dongjin Yu

CTR (Click-Through Rate) prediction, crucial for recommender systems and online advertising, etc., has been confirmed to benefit from modeling long-term user behaviors. Nonetheless, the vast number of behaviors and complexity of noise…

Information Retrieval · Computer Science 2025-09-22 Weijiang Lai , Beihong Jin , Yapeng Zhang , Yiyuan Zheng , Rui Zhao , Jian Dong , Jun Lei , Xingxing Wang

Contrastive learning has been effectively utilized to enhance the training of sequential recommendation models by leveraging informative self-supervised signals. Most existing approaches generate augmented views of the same user sequence…

Information Retrieval · Computer Science 2025-02-06 Ziqiang Cui , Haolun Wu , Bowei He , Ji Cheng , Chen Ma

Recommender systems play a pivotal role across practical scenarios, showcasing remarkable capabilities in user preference modeling. However, the centralized learning paradigm predominantly used raises serious privacy concerns. The federated…

Information Retrieval · Computer Science 2024-11-05 Langming Liu , Wanyu Wang , Xiangyu Zhao , Zijian Zhang , Chunxu Zhang , Shanru Lin , Yiqi Wang , Lixin Zou , Zitao Liu , Xuetao Wei , Hongzhi Yin , Qing Li

Recurrent neural networks (RNNs) were recently proposed for the session-based recommendation task. The models showed promising improvements over traditional recommendation approaches. In this work, we further study RNN-based models for…

Machine Learning · Computer Science 2016-09-19 Yong Kiam Tan , Xinxing Xu , Yong Liu

In the information age, recommendation systems are vital for efficiently filtering information and identifying user preferences. Online social platforms have enriched these systems by providing valuable auxiliary information. Socially…

Artificial Intelligence · Computer Science 2024-06-18 Dezhao Yang , Jianghong Ma , Shanshan Feng , Haijun Zhang , Zhao Zhang

Accurate prediction of mobile traffic, i.e., network traffic from cellular base stations, is crucial for optimizing network performance and supporting urban development. However, the non-stationary nature of mobile traffic, driven by human…

Machine Learning · Computer Science 2025-06-30 Zhi Sheng , Daisy Yuan , Jingtao Ding , Yong Li

Diffusion models are powerful tools for sampling from high-dimensional distributions by progressively transforming pure noise into structured data through a denoising process. When equipped with a guidance mechanism, these models can also…

Machine Learning · Computer Science 2026-05-04 Saeed Mohseni-Sehdeh , Walid Saad , Kei Sakaguchi , Tao Yu

In last decades, diversity and accuracy have been regarded as two important measures in evaluating a recommendation model. However, a clear concern is that a model focusing excessively on one measure will put the other one at risk, thus it…

Information Retrieval · Computer Science 2018-10-17 Ya-Hui An , Qiang Dong , Chong-Jing Sun , Da-Cheng Nie , Yan Fu

Recommender systems play important roles in various applications such as e-commerce, social media, etc. Conventional recommendation methods usually model the collaborative signals within the tabular representation space. Despite the…

Information Retrieval · Computer Science 2024-06-05 Kounianhua Du , Jizheng Chen , Jianghao Lin , Yunjia Xi , Hangyu Wang , Xinyi Dai , Bo Chen , Ruiming Tang , Weinan Zhang

We introduce PolyDiff, the first diffusion-based approach capable of directly generating realistic and diverse 3D polygonal meshes. In contrast to methods that use alternate 3D shape representations (e.g. implicit representations), our…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 Antonio Alliegro , Yawar Siddiqui , Tatiana Tommasi , Matthias Nießner

Diffusion models are a class of flexible generative models trained with an approximation to the log-likelihood objective. However, most use cases of diffusion models are not concerned with likelihoods, but instead with downstream objectives…

Machine Learning · Computer Science 2024-01-08 Kevin Black , Michael Janner , Yilun Du , Ilya Kostrikov , Sergey Levine

Diffusion guidance is a powerful technique that enables controllable and high-fidelity sample generation with diffusion models. At a high level, it modifies the score function by incorporating a guidance term that steers the generative…

Machine Learning · Computer Science 2026-05-25 Ruijia Cao , Yuchen Wu , Nisha Chandramoorthy

Diffusion models have seen rapid adoption in robotic imitation learning, enabling autonomous execution of complex dexterous tasks. However, action synthesis is often slow, requiring many steps of iterative denoising, limiting the extent to…

Robotics · Computer Science 2024-10-14 Sigmund H. Høeg , Yilun Du , Olav Egeland

Probabilistic regression models the entire predictive distribution of a response variable, offering richer insights than classical point estimates and directly allowing for uncertainty quantification. While diffusion-based generative models…

Machine Learning · Computer Science 2025-10-07 Carlo Kneissl , Christopher Bülte , Philipp Scholl , Gitta Kutyniok

Crowd counting is a fundamental problem in crowd analysis which is typically accomplished by estimating a crowd density map and summing over the density values. However, this approach suffers from background noise accumulation and loss of…

Computer Vision and Pattern Recognition · Computer Science 2024-04-05 Yasiru Ranasinghe , Nithin Gopalakrishnan Nair , Wele Gedara Chaminda Bandara , Vishal M. Patel

Federated recommender systems (FedRecSys) have emerged as a pivotal solution for privacy-aware recommendations, balancing growing demands for data security and personalized experiences. Current research efforts predominantly concentrate on…

Information Retrieval · Computer Science 2025-04-11 Chunxu Zhang , Guodong Long , Zijian Zhang , Zhiwei Li , Honglei Zhang , Qiang Yang , Bo Yang