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Deepgenerative models havebecomeapromisingapproach for human motion prediction due to their ability to capture multimodal distributions and represent diverse human be haviors. However, generating predictions that are both di verse and…

Computer Vision and Pattern Recognition · Computer Science 2026-05-22 Lei Chu , Yuhuan Zhao

Conditional diffusion models have exhibited superior performance in high-fidelity text-guided visual generation and editing. Nevertheless, prevailing text-guided visual diffusion models primarily focus on incorporating text-visual…

Computer Vision and Pattern Recognition · Computer Science 2024-06-05 Ling Yang , Zhilong Zhang , Zhaochen Yu , Jingwei Liu , Minkai Xu , Stefano Ermon , Bin Cui

Recent cross-domain recommendation (CDR) studies assume that disentangled domain-shared and domain-specific user representations can mitigate domain gaps and facilitate effective knowledge transfer. However, achieving perfect…

Information Retrieval · Computer Science 2024-11-27 Jing Du , Zesheng Ye , Bin Guo , Zhiwen Yu , Jia Wu , Jian Yang , Michael Sheng , Lina Yao

Most recommender systems adopt collaborative filtering (CF) and provide recommendations based on past collective interactions. Therefore, the performance of CF algorithms degrades when few or no interactions are available, a scenario…

Information Retrieval · Computer Science 2024-09-27 Christian Ganhör , Marta Moscati , Anna Hausberger , Shah Nawaz , Markus Schedl

Recommender Systems have proliferated as general-purpose approaches to model a wide variety of consumer interaction data. Specific instances make use of signals ranging from user feedback, item relationships, geographic locality, social…

Information Retrieval · Computer Science 2018-08-31 Wang-Cheng Kang , Mengting Wan , Julian McAuley

Multi-modal magnetic resonance imaging (MRI) provides rich, complementary information for analyzing diseases. However, the practical challenges of acquiring multiple MRI modalities, such as cost, scan time, and safety considerations, often…

Image and Video Processing · Electrical Eng. & Systems 2024-09-16 Zhaohu Xing , Sicheng Yang , Sixiang Chen , Tian Ye , Yijun Yang , Jing Qin , Lei Zhu

User mobility trajectory and mobile traffic data are essential for a wide spectrum of applications including urban planning, network optimization, and emergency management. However, large-scale and fine-grained mobility data remains…

Networking and Internet Architecture · Computer Science 2025-10-14 Ziyi Liu , Qingyue Long , Zhiwen Xue , Huandong Wang , Yong Li

Most existing cross-modal generative methods based on diffusion models use guidance to provide control over the latent space to enable conditional generation across different modalities. Such methods focus on providing guidance through…

Machine Learning · Computer Science 2023-05-31 Zizhao Hu , Mohammad Rostami

Multi-behavior sequential recommendation (MBSR) aims to learn the dynamic and heterogeneous interactions of users' multi-behavior sequences, so as to capture user preferences under target behavior for the next interacted item prediction.…

Information Retrieval · Computer Science 2026-02-27 Ruochen Yang , Xiaodong Li , Jiawei Sheng , Jiangxia Cao , Xinkui Lin , Shen Wang , Shuang Yang , Zhaojie Liu , Tingwen Liu

Existing GNN-based Human-Object Interaction (HOI) detection methods rely on simple MLPs to fuse instance features and propagate information. However, this mechanism is largely empirical and lack of targeted information propagation process.…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Wenxuan Ji , Haichao Shi , Xiao-Yu Zhang

Generating photos satisfying multiple constraints find broad utility in the content creation industry. A key hurdle to accomplishing this task is the need for paired data consisting of all modalities (i.e., constraints) and their…

Computer Vision and Pattern Recognition · Computer Science 2023-04-21 Nithin Gopalakrishnan Nair , Wele Gedara Chaminda Bandara , Vishal M. Patel

Recommender systems are widely used in various real-world applications, but they often encounter the persistent challenge of the user cold-start problem. Cross-domain recommendation (CDR), which leverages user interactions from one domain…

Information Retrieval · Computer Science 2025-02-13 Hourun Li , Yifan Wang , Zhiping Xiao , Jia Yang , Changling Zhou , Ming Zhang , Wei Ju

Multimodal recommendation faces an issue of the performance degradation that the uni-modal recommendation sometimes achieves the better performance. A possible reason is that the unreliable item modality data hurts the fusion result.…

Information Retrieval · Computer Science 2025-04-24 Xue Dong , Xuemeng Song , Na Zheng , Sicheng Zhao , Guiguang Ding

While the mining of modalities is the focus of most multimodal recommendation methods, we believe that how to fully utilize both collaborative and multimodal information is pivotal in e-commerce scenarios where, as clarified in this work,…

Information Retrieval · Computer Science 2024-12-17 Cong Xu , Yunhang He , Jun Wang , Wei Zhang

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

Multimodal dialogue emotion recognition captures emotional cues by fusing text, visual, and audio modalities. However, existing approaches still suffer from notable limitations in modeling emotional dependencies and learning multimodal…

Multimedia · Computer Science 2026-03-12 Yunsheng Wang , Yuntao Shou , Yilong Tan , Wei Ai , Tao Meng , Keqin Li

Multimodal emotion recognition aims to recognize emotions for each utterance of multiple modalities, which has received increasing attention for its application in human-machine interaction. Current graph-based methods fail to…

Computation and Language · Computer Science 2023-11-21 Dongyuan Li , Yusong Wang , Kotaro Funakoshi , Manabu Okumura

Multimodal recommendation has emerged as an effective paradigm for enhancing collaborative filtering by incorporating heterogeneous content modalities. Existing multimodal recommenders predominantly focus on reinforcing cross-modal…

Information Retrieval · Computer Science 2026-03-03 Hao Zhan , Yihui Wang , Yonghui Yang , Danyang Yue , Yu Wang , Pengyang Shao , Fei Shen , Fei Liu , Le Wu

Image generative models, particularly diffusion-based models, have surged in popularity due to their remarkable ability to synthesize highly realistic images. However, since these models are data-driven, they inherit biases from the…

Machine Learning · Computer Science 2025-03-18 Lin-Chun Huang , Ching Chieh Tsao , Fang-Yi Su , Jung-Hsien Chiang

Collaborative Filtering (CF) models, despite their great success, suffer from severe performance drops due to popularity distribution shifts, where these changes are ubiquitous and inevitable in real-world scenarios. Unfortunately, most…

Information Retrieval · Computer Science 2023-05-19 An Zhang , Jingnan Zheng , Xiang Wang , Yancheng Yuan , Tat-Seng Chua