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Multimodal recommender systems (MMRS) leverage images, text, and interaction signals to enrich item representations. However, recent alignment based MMRSs that enforce a unified embedding space often blur modality specific structures and…

Information Retrieval · Computer Science 2026-03-16 Yonghun Jeong , David Yoon Suk Kang , Yeon-Chang Lee

In this work, we address the problem of learning an ensemble of specialist networks using multimodal data, while considering the realistic and challenging scenario of possible missing modalities at test time. Our goal is to leverage the…

Computer Vision and Pattern Recognition · Computer Science 2019-12-24 Nuno C. Garcia , Sarah Adel Bargal , Vitaly Ablavsky , Pietro Morerio , Vittorio Murino , Stan Sclaroff

In multimodal graph learning, graph structures that integrate information from multiple sources, such as vision and text, can more comprehensively model complex entity relationships. However, the continuous growth of their data scale poses…

Machine Learning · Computer Science 2026-02-10 Lian Shen , Zhendan Chen , Meijia Song , Yinhui jiang , Ziming Su , Juan Liu , Xiangrong Liu

Using generative models to synthesize visual features from semantic distribution is one of the most popular solutions to ZSL image classification in recent years. The triplet loss (TL) is popularly used to generate realistic visual…

Computer Vision and Pattern Recognition · Computer Science 2021-06-17 Zihan Ye , Fuyuan Hu , Fan Lyu , Linyan Li , Kaizhu Huang

There is a rapidly-growing research interest in engaging users with multi-modal data for accurate user modeling on recommender systems. Existing multimedia recommenders have achieved substantial improvements by incorporating various…

Information Retrieval · Computer Science 2023-05-04 Dong Yao , Shengyu Zhang , Zhou Zhao , Jieming Zhu , Wenqiao Zhang , Rui Zhang , Xiaofei He , Fei Wu

Missing modalities consistently lead to significant performance degradation in multimodal models. Existing approaches either synthesize missing modalities at high computational cost or apply prompt-based fine-tuning that relies only on…

Computer Vision and Pattern Recognition · Computer Science 2025-12-01 Hongye Zhu , Xuan Liu , Yanwen Ba , Jingye Xue , Shigeng Zhang

Multi-modal Retrieval-Augmented Generation (MMRAG) has emerged as a powerful paradigm for enhancing Multimodal Large Language Models in knowledge-intensive question answering by integrating external visual, textual, and structural…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Xiang Fang , Wanlong Fang , Changshuo Wang

Social recommender systems have drawn a lot of attention in many online web services, because of the incorporation of social information between users in improving recommendation results. Despite the significant progress made by existing…

Information Retrieval · Computer Science 2023-03-15 Lianghao Xia , Yizhen Shao , Chao Huang , Yong Xu , Huance Xu , Jian Pei

Multi-modal learning has achieved remarkable success by integrating information from various modalities, achieving superior performance in tasks like recognition and retrieval compared to uni-modal approaches. However, real-world scenarios…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Xiaohao Liu , Xiaobo Xia , Zhuo Huang , See-Kiong Ng , Tat-Seng Chua

Modern recommendation systems face significant challenges in processing multimodal sequential data, particularly in temporal dynamics modeling and information flow coordination. Traditional approaches struggle with distribution…

Information Retrieval · Computer Science 2025-08-29 Maolin Wang , Yutian Xiao , Binhao Wang , Sheng Zhang , Shanshan Ye , Wanyu Wang , Hongzhi Yin , Ruocheng Guo , Zenglin Xu

The integration of multimodal data including pathology images and gene profiles is widely applied in precise survival prediction. Despite recent advances in multimodal survival models, collecting complete modalities for multimodal fusion…

Machine Learning · Computer Science 2025-03-25 Yingxue Xu , Fengtao Zhou , Chenyu Zhao , Yihui Wang , Can Yang , Hao Chen

Traditional recommendation systems suffer from inconsistency in multi-stage optimization objectives. Generative Recommendation (GR) mitigates them through an end-to-end framework; however, existing methods still rely on matching mechanisms…

User data spread across multiple modalities has popularized multi-modal recommender systems (MMRS). They recommend diverse content such as products, social media posts, TikTok reels, etc., based on a user-item interaction graph. With rising…

Machine Learning · Computer Science 2025-07-01 Yash Sinha , Murari Mandal , Mohan Kankanhalli

The modern recommender systems are facing an increasing challenge of modelling and predicting the dynamic and context-rich user preferences. Traditional collaborative filtering and content-based methods often struggle to capture the…

Information Retrieval · Computer Science 2025-07-21 Yitong Li , Raoul Grasman

MultiModal Recommendation (MMR) systems have emerged as a promising solution for improving recommendation quality by leveraging rich item-side modality information, prompting a surge of diverse methods. Despite these advances, existing…

Information Retrieval · Computer Science 2025-08-25 Xiaoxiong Zhang , Xin Zhou , Zhiwei Zeng , Yongjie Wang , Dusit Niyato , Zhiqi Shen

In this paper, we address the challenging modality-agnostic semantic segmentation (MaSS), aiming at centering the value of every modality at every feature granularity. Training with all available visual modalities and effectively fusing an…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Xu Zheng , Yuanhuiyi Lyu , Lutao Jiang , Jiazhou Zhou , Lin Wang , Xuming Hu

Multimodal Retrieval-Augmented Generation (MRAG) has emerged as a promising method to generate factual and up-to-date responses of Multimodal Large Language Models (MLLMs) by incorporating non-parametric knowledge from external knowledge…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Shu Zhao , Tianyi Shen , Nilesh Ahuja , Omesh Tickoo , Vijaykrishnan Narayanan

Multimodal data are prevalent across various domains, and learning robust representations of such data is paramount to enhancing generation quality and downstream task performance. To handle heterogeneity and interconnections among…

Machine Learning · Computer Science 2025-09-30 Yijie Zhang , Yiyang Shen , Weiran Wang

Retrieval-Augmented Generation (RAG) has become a core paradigm in document question answering tasks. However, existing methods have limitations when dealing with multimodal documents: one category of methods relies on layout analysis and…

Computation and Language · Computer Science 2026-03-09 Wang Chen , Wenhan Yu , Guanqiang Qi , Weikang Li , Yang Li , Lei Sha , Deguo Xia , Jizhou Huang

User review data is helpful in alleviating the data sparsity problem in many recommender systems. In review-based recommendation methods, review data is considered as auxiliary information that can improve the quality of learned user/item…

Information Retrieval · Computer Science 2022-09-07 Yuyang Ren , Haonan Zhang , Qi Li , Luoyi Fu , Jiaxin Ding , Xinde Cao , Xinbing Wang , Chenghu Zhou