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Weakly supervised semantic segmentation (WSSS) models relying on class activation maps (CAMs) have achieved desirable performance comparing to the non-CAMs-based counterparts. However, to guarantee WSSS task feasible, we need to generate…

Computer Vision and Pattern Recognition · Computer Science 2023-06-07 Tao Chen , Yazhou Yao , Jinhui Tang

Acquiring sufficient ground-truth supervision to train deep visual models has been a bottleneck over the years due to the data-hungry nature of deep learning. This is exacerbated in some structured prediction tasks, such as semantic…

Computer Vision and Pattern Recognition · Computer Science 2020-12-10 Xueyi Li , Tianfei Zhou , Jianwu Li , Yi Zhou , Zhaoxiang Zhang

Multimodal recommendation systems have attracted increasing attention for their improved performance by leveraging items' multimodal information. Prior methods often build modality-specific item-item semantic graphs from raw modality…

Information Retrieval · Computer Science 2025-08-11 Xiaoxiong Zhang , Xin Zhou , Zhiwei Zeng , Dusit Niyato , Zhiqi Shen

Sequential Recommender Systems (SRSs) aim to predict the next item that users will consume, by modeling the user interests within their item sequences. While most existing SRSs focus on a single type of user behavior, only a few pay…

Information Retrieval · Computer Science 2023-01-31 Junsu Cho , Dongmin Hyun , Dong won Lim , Hyeon jae Cheon , Hyoung-iel Park , Hwanjo Yu

In this paper, we address the problem of weakly supervised object localization (WSL), which trains a detection network on the dataset with only image-level annotations. The proposed approach is built on the observation that the proposal set…

Computer Vision and Pattern Recognition · Computer Science 2019-10-22 Wenju Xu , Yuanwei Wu , Wenchi Ma , Guanghui Wang

Session-based recommendation systems must capture implicit user intents from sessions. However, existing models suffer from issues such as item interaction dominance and noisy sessions. We propose a multi-channel recommendation model,…

Information Retrieval · Computer Science 2026-01-14 Jia-Xin He , Hung-Hsuan Chen

Sequential recommendation (SR) aims to predict the next purchasing item according to users' dynamic preference learned from their historical user-item interactions. To improve the performance of recommendation, learning dynamic…

Information Retrieval · Computer Science 2024-12-31 Chuan He , Yongchao Liu , Qiang Li , Weiqiang Wang , Xin Fu , Xinyi Fu , Chuntao Hong , Xinwei Yao

Weakly Supervised Object Detection (WSOD), using only image-level annotations to train object detectors, is of growing importance in object recognition. In this paper, we propose a novel deep network for WSOD. Unlike previous networks that…

Computer Vision and Pattern Recognition · Computer Science 2018-10-16 Peng Tang , Xinggang Wang , Song Bai , Wei Shen , Xiang Bai , Wenyu Liu , Alan Yuille

Graph Neural Networks (GNNs) have been extensively employed in the field of recommendation systems, offering users personalized recommendations and yielding remarkable outcomes. Recently, GNNs incorporating contrastive learning have…

Information Retrieval · Computer Science 2024-05-10 Shengxi Fu , Qianqian Ren , Xingfeng Lv , Jinbao Li

Implicit feedback, often used to build recommender systems, unavoidably confronts noise due to factors such as misclicks and position bias. Previous studies have attempted to alleviate this by identifying noisy samples based on their…

Information Retrieval · Computer Science 2024-09-17 Tianrui Song , Wenshuo Chao , Hao Liu

Sequential recommendation systems aim to capture users' evolving preferences from their interaction histories. Recent reasoningenhanced methods have shown promise by introducing deliberate, chain-of-thought-like processes with intermediate…

Information Retrieval · Computer Science 2025-12-17 Yifan Shao , Peilin Zhou

Sequential Recommendation System~(SRS) has become pivotal in modern society, which predicts subsequent actions based on the user's historical behavior. However, traditional collaborative filtering-based sequential recommendation models…

Information Retrieval · Computer Science 2025-11-26 Tianjie Dai , Xu Chen , Yunmeng Shu , Jinsong Lan , Xiaoyong Zhu , Jiangchao Yao , Bo Zheng

Recommender systems are essential for modern content platforms, yet traditional behavior-based models often struggle with cold users who have limited interaction data. Engaging these users is crucial for platform growth. To bridge this gap,…

Information Retrieval · Computer Science 2025-10-13 Lin Wang , Weisong Wang , Xuanji Xiao , Qing Li

Sequential Recommender Systems (SRS) aim to predict users' next interaction based on their historical behaviors, while still facing the challenge of data sparsity. With the rapid advancement of Multimodal Large Language Models (MLLMs),…

Information Retrieval · Computer Science 2026-02-17 Mingyao Huang , Qidong Liu , Wenxuan Yang , Moranxin Wang , Yuqi Sun , Haiping Zhu , Feng Tian , Yan Chen

Session-based recommendation (SBR) aims to predict the next item at a certain time point based on anonymous user behavior sequences. Existing methods typically model session representation based on simple item transition information.…

Information Retrieval · Computer Science 2023-11-07 Fuyun Wang , Xingyu Gao , Zhenyu Chen , Lei Lyu

Recommendation fairness has recently attracted much attention. In the real world, recommendation systems are driven by user behavior, and since users with the same sensitive feature (e.g., gender and age) tend to have the same patterns,…

Information Retrieval · Computer Science 2025-07-16 Yang Liu , Feng Wu , Xuefang Zhu

Multi-modal recommender systems (MRSs) are pivotal in diverse online web platforms and have garnered considerable attention in recent years. However, previous studies overlook the challenges of (1) noisy multi-modal content, (2) noisy user…

Information Retrieval · Computer Science 2025-04-03 Guipeng Xv , Xinyu Li , Ruobing Xie , Chen Lin , Chong Liu , Feng Xia , Zhanhui Kang , Leyu Lin

The surge in multimedia content has led to the development of Multi-Modal Recommender Systems (MMRecs), which use diverse modalities such as text, images, videos, and audio for more personalized recommendations. However, MMRecs struggle…

Information Retrieval · Computer Science 2025-04-22 Hongji Li , Hanwen Du , Youhua Li , Junchen Fu , Chunxiao Li , Ziyi Zhuang , Jiakang Li , Yongxin Ni

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

Recent methods in sequential recommendation focus on learning an overall embedding vector from a user's behavior sequence for the next-item recommendation. However, from empirical analysis, we discovered that a user's behavior sequence…

Information Retrieval · Computer Science 2021-02-19 Qiaoyu Tan , Jianwei Zhang , Jiangchao Yao , Ninghao Liu , Jingren Zhou , Hongxia Yang , Xia Hu