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Recommender systems are often biased toward popular items. In other words, few items are frequently recommended while the majority of items do not get proportionate attention. That leads to low coverage of items in recommendation lists…

Information Retrieval · Computer Science 2020-05-05 Masoud Mansoury , Himan Abdollahpouri , Mykola Pechenizkiy , Bamshad Mobasher , Robin Burke

Many multimodal recommender systems have been proposed to exploit the rich side information associated with users or items (e.g., user reviews and item images) for learning better user and item representations to improve the recommendation…

Information Retrieval · Computer Science 2022-10-26 Fan Liu , Huilin Chen , Zhiyong Cheng , Anan Liu , Liqiang Nie , Mohan Kankanhalli

Recent years have witnessed growing interests in multimedia recommendation, which aims to predict whether a user will interact with an item with multimodal contents. Previous studies focus on modeling user-item interactions with multimodal…

Information Retrieval · Computer Science 2022-03-18 Jinghao Zhang , Yanqiao Zhu , Qiang Liu , Mengqi Zhang , Shu Wu , Liang Wang

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

Medical multimodal representation learning aims to integrate heterogeneous clinical data into unified patient representations to support predictive modeling, which remains an essential yet challenging task in the medical data mining…

Machine Learning · Computer Science 2025-09-09 Xiaoguang Zhu , Lianlong Sun , Yang Liu , Pengyi Jiang , Uma Srivatsa , Nipavan Chiamvimonvat , Vladimir Filkov

Federated Recommendation (FR) is a new learning paradigm to tackle the learn-to-rank problem in a privacy-preservation manner. How to integrate multi-modality features into federated recommendation is still an open challenge in terms of…

Information Retrieval · Computer Science 2026-03-02 Chunxu Zhang , Weipeng Zhang , Guodong Long , Zhiheng Xue , Riting Xia , Bo Yang

Multi-modal medical images provide complementary soft-tissue characteristics that aid in the screening and diagnosis of diseases. However, limited scanning time, image corruption and various imaging protocols often result in incomplete…

Computer Vision and Pattern Recognition · Computer Science 2024-07-10 Yue Zhang , Chengtao Peng , Qiuli Wang , Dan Song , Kaiyan Li , S. Kevin Zhou

Multimodal federated learning holds immense potential for collaboratively training models from multiple sources without sharing raw data, addressing both data scarcity and privacy concerns, two key challenges in healthcare. A major…

Machine Learning · Computer Science 2025-05-27 Pranav Poudel , Aavash Chhetri , Prashnna Gyawali , Georgios Leontidis , Binod Bhattarai

Multimodal emotion and intent recognition is essential for automated human-computer interaction, It aims to analyze users' speech, text, and visual information to predict their emotions or intent. One of the significant challenges is that…

Artificial Intelligence · Computer Science 2025-07-09 Wei Zhang , Juan Chen , Yanbo J. Wang , En Zhu , Xuan Yang , Yiduo Wang

Multimodal recommendation focuses primarily on effectively exploiting both behavioral and multimodal information for the recommendation task. However, most existing models suffer from the following issues when fusing information from two…

Information Retrieval · Computer Science 2024-09-10 Kangning Zhang , Yingjie Qin , Jiarui Jin , Yifan Liu , Ruilong Su , Weinan Zhang , Yong Yu

Multimodal recommendation has emerged as a mainstream paradigm, typically leveraging text and visual embeddings extracted from pre-trained models such as Sentence-BERT, Vision Transformers, and ResNet. This approach is founded on the…

Information Retrieval · Computer Science 2026-01-19 Yu Ye , Junchen Fu , Yu Song , Kaiwen Zheng , Joemon M. Jose

Multimodal Recommender Systems aim to improve recommendation accuracy by integrating heterogeneous content, such as images and textual metadata. While effective, it remains unclear whether their gains stem from true multimodal understanding…

Information Retrieval · Computer Science 2025-08-07 Claudio Pomo , Matteo Attimonelli , Danilo Danese , Fedelucio Narducci , Tommaso Di Noia

In this paper, we focus on multimedia recommender systems using graph convolutional networks (GCNs) where the multimodal features as well as user-item interactions are employed together. Our study aims to exploit multimodal features more…

Information Retrieval · Computer Science 2023-12-18 Yungi Kim , Taeri Kim , Won-Yong Shin , Sang-Wook Kim

With the development of multimedia systems, multimodal recommendations are playing an essential role, as they can leverage rich contexts beyond interactions. Existing methods mainly regard multimodal information as an auxiliary, using them…

Information Retrieval · Computer Science 2024-08-02 Yifan Liu , Kangning Zhang , Xiangyuan Ren , Yanhua Huang , Jiarui Jin , Yingjie Qin , Ruilong Su , Ruiwen Xu , Yong Yu , Weinan Zhang

Multimodal learning seeks to combine data from multiple input sources to enhance the performance of different downstream tasks. In real-world scenarios, performance can degrade substantially if some input modalities are missing. Existing…

Machine Learning · Computer Science 2024-10-10 Niki Nezakati , Md Kaykobad Reza , Ameya Patil , Mashhour Solh , M. Salman Asif

Multimodal-aware recommender systems (MRSs) exploit multimodal content (e.g., product images or descriptions) as items' side information to improve recommendation accuracy. While most of such methods rely on factorization models (e.g.,…

Information Retrieval · Computer Science 2023-08-25 Daniele Malitesta , Giandomenico Cornacchia , Claudio Pomo , Tommaso Di Noia

Conventional multimodal recommender systems predominantly leverage Bayesian Personalized Ranking (BPR) optimization to learn item representations by amalgamating item identity (ID) embeddings with multimodal features. Nevertheless, our…

Information Retrieval · Computer Science 2025-05-09 Xin Zhou , Xiaoxiong Zhang , Dusit Niyato , Zhiqi Shen

We introduce a multimodal dataset where users express preferences through images. These images encompass a broad spectrum of visual expressions ranging from landscapes to artistic depictions. Users request recommendations for books or music…

Computer Vision and Pattern Recognition · Computer Science 2025-04-17 Se-eun Yoon , Hyunsik Jeon , Julian McAuley

This article presents a novel approach to multimodal recommendation systems, focusing on integrating and purifying multimodal data. Our methodology starts by developing a filter to remove noise from various types of data, making the…

Information Retrieval · Computer Science 2024-05-30 Mert Burabak , Tevfik Aytekin

In recent years, the rapid growth of online multimedia services, such as e-commerce platforms, has necessitated the development of personalised recommendation approaches that can encode diverse content about each item. Indeed, modern…

Information Retrieval · Computer Science 2023-11-06 Zixuan Yi , Zijun Long , Iadh Ounis , Craig Macdonald , Richard Mccreadie