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Recently, much effort has been devoted to modeling users' multi-interests based on their behaviors or auxiliary signals. However, existing methods often rely on heuristic assumptions, e.g., co-occurring items indicate the same interest of…

Information Retrieval · Computer Science 2025-07-18 Ziyan Wang , Yingpeng Du , Zhu Sun , Jieyi Bi , Haoyan Chua , Tianjun Wei , Jie Zhang

Fonts convey different impressions to readers. These impressions often come from the font shapes. However, the correlation between fonts and their impression is weak and unstable because impressions are subjective. To capture such weak and…

Computer Vision and Pattern Recognition · Computer Science 2024-02-27 Yugo Kubota , Daichi Haraguchi , Seiichi Uchida

In recent years, the explosion of web videos makes text-video retrieval increasingly essential and popular for video filtering, recommendation, and search. Text-video retrieval aims to rank relevant text/video higher than irrelevant ones.…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Chen Jiang , Hong Liu , Xuzheng Yu , Qing Wang , Yuan Cheng , Jia Xu , Zhongyi Liu , Qingpei Guo , Wei Chu , Ming Yang , Yuan Qi

In recent years, several unsupervised, "contrastive" learning algorithms in vision have been shown to learn representations that perform remarkably well on transfer tasks. We show that this family of algorithms maximizes a lower bound on…

Machine Learning · Computer Science 2020-06-08 Mike Wu , Chengxu Zhuang , Milan Mosse , Daniel Yamins , Noah Goodman

Recommendation systems capable of providing diverse sets of results are a focus of increasing importance, with motivations ranging from fairness to novelty and other aspects of optimizing user experience. One form of diversity of recent…

Data Structures and Algorithms · Computer Science 2024-07-15 Jon Kleinberg , Emily Ryu , Éva Tardos

Video summarization aims to select the most informative subset of frames in a video to facilitate efficient video browsing. Unsupervised methods usually rely on heuristic training objectives such as diversity and representativeness.…

Computer Vision and Pattern Recognition · Computer Science 2022-11-21 Zongshang Pang , Yuta Nakashima , Mayu Otani , Hajime Nagahara

We propose Compressed Video Aggregator (CVA), a lightweight micro-video recommendation module that decouples video information from preference learning. It aggregates frozen VFM embeddings, and uses latent reasoning without cross-attention…

Machine Learning · Computer Science 2026-05-12 Yang Xiao , Huiyuan Chen , Kaiyuan Deng , Chao Jiang , Zinan Ling , Ruimeng Ye , Xiaolong Ma , Bo Hui

We propose Context-Adaptive Multi-Prompt Embedding, a novel approach to enrich semantic representations in vision-language contrastive learning. Unlike standard CLIP-style models that rely on a single text embedding, our method introduces…

Machine Learning · Computer Science 2025-08-07 Dahun Kim , Anelia Angelova

Sequential recommendation (SR) aims to model user preferences by capturing behavior patterns from their item historical interaction data. Most existing methods model user preference in the time domain, omitting the fact that users'…

Information Retrieval · Computer Science 2023-05-09 Xinyu Du , Huanhuan Yuan , Pengpeng Zhao , Junhua Fang , Guanfeng Liu , Yanchi Liu , Victor S. Sheng , Xiaofang Zhou

We present an interface that can be leveraged to quickly and effortlessly elicit people's preferences for visual stimuli, such as photographs, visual art and screensavers, along with rich side-information about its users. We plan to employ…

Social and Information Networks · Computer Science 2017-06-28 Pantelis P. Analytis , Tobias Schnabel , Stefan Herzog , Daniel Barkoczi , Thorsten Joachims

Variational mutual information (MI) estimators are widely used in unsupervised representation learning methods such as contrastive predictive coding (CPC). A lower bound on MI can be obtained from a multi-class classification problem, where…

Machine Learning · Computer Science 2020-12-04 Jiaming Song , Stefano Ermon

Cross-domain recommendation (CDR) has demonstrated to be an effective solution for alleviating the user cold-start issue. By leveraging rich user-item interactions available in a richly informative source domain, CDR could improve the…

Information Retrieval · Computer Science 2026-04-29 Xiaodong Li , Jiawei Sheng , Jiangxia Cao , Xinghua Zhang , Wenyuan Zhang , Yong Sun , Shirui Pan , Zhihong Tian , Tingwen Liu

With the rapid growth in multimedia services and the enormous offers of video contents in online social networks, users have difficulty in obtaining their interests. Therefore, various personalized recommendation systems have been proposed.…

Machine Learning · Computer Science 2016-02-02 Pan Zhou , Yingxue Zhou , Dapeng Wu , Hai Jin

Multi-behavior recommendation (MBR) aims to improve the performance w.r.t. the target behavior (i.e., purchase) by leveraging auxiliary behaviors (e.g., click, favourite). However, in real-world scenarios, a recommendation method often…

Information Retrieval · Computer Science 2026-01-13 Wenhao Lai , Weike Pan , Zhong Ming

Acquiring valuable data from the rapidly expanding information on the internet has become a significant concern, and recommender systems have emerged as a widely used and effective tool for helping users discover items of interest. The…

Information Retrieval · Computer Science 2025-02-25 Jinfeng Xu , Zheyu Chen , Shuo Yang , Jinze Li , Wei Wang , Xiping Hu , Steven Hoi , Edith Ngai

In recommender systems, multi-behavior methods have demonstrated their effectiveness in mitigating issues like data sparsity, a common challenge in traditional single-behavior recommendation approaches. These methods typically infer user…

Information Retrieval · Computer Science 2024-04-30 Mingshi Yan , Fan Liu , Jing Sun , Fuming Sun , Zhiyong Cheng , Yahong Han

Collaborative Metric Learning (CML) has recently emerged as a popular method in recommendation systems (RS), closing the gap between metric learning and Collaborative Filtering. Following the convention of RS, existing methods exploit…

Information Retrieval · Computer Science 2022-10-03 Shilong Bao , Qianqian Xu , Zhiyong Yang , Yuan He , Xiaochun Cao , Qingming Huang

With the advancement of artificial intelligence and computer vision technologies, multimodal emotion recognition has become a prominent research topic. However, existing methods face challenges such as heterogeneous data fusion and the…

Computer Vision and Pattern Recognition · Computer Science 2025-02-13 Wei Dai , Dequan Zheng , Feng Yu , Yanrong Zhang , Yaohui Hou

Group recommendation aims to recommend tailored items to groups of users, where the key challenge is modeling a consensus that reflects member preferences. Although several existing deep learning models have achieved performance…

Information Retrieval · Computer Science 2026-02-27 Soyoung Kim , Dongjun Lee , Jaekwang Kim

With the advent of large-scale multimodal video datasets, especially sequences with audio or transcribed speech, there has been a growing interest in self-supervised learning of video representations. Most prior work formulates the…

Computer Vision and Pattern Recognition · Computer Science 2020-09-21 Bruno Korbar , Fabio Petroni , Rohit Girdhar , Lorenzo Torresani
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