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Nowadays, the recommendation systems are applied in the fields of e-commerce, video websites, social networking sites, etc., which bring great convenience to people's daily lives. The types of the information are diversified and abundant in…

Information Retrieval · Computer Science 2019-02-18 Junmei Lv , Bin Song , Jie Guo , Xiaojiang Du , Mohsen Guizani

Micro-video recommendation aims to capture user preferences from the collaborative and context information of the interacted micro-videos, thereby predicting the appropriate videos. This target is often hindered by the inherent noise within…

Information Retrieval · Computer Science 2026-03-03 Xinxin Dong , Haokai Ma , Yuze Zheng , Yongfu Zha , Yonghui Yang , Xiaodong Wang

Large-scale recommendations commonly adopt a multi-stage cascading ranking system paradigm to balance effectiveness and efficiency. Early Stage Ranking (ESR) systems utilize the "user-item decoupling" approach, where independently learned…

Sequential recommendation (SR) is widely deployed in e-commerce platforms, streaming services, etc., revealing significant potential to enhance user experience. However, existing methods often overlook two critical factors: irregular user…

Information Retrieval · Computer Science 2025-11-25 Haoyan Fu , Zhida Qin , Shixiao Yang , Haoyao Zhang , Bin Lu , Shuang Li , Tianyu Huang , John C. S. Lui

Accurate precipitation forecasting is indispensable in agriculture, disaster management, and sustainable strategies. However, predicting rainfall has been challenging due to the complexity of climate systems and the heterogeneous nature of…

Artificial Intelligence · Computer Science 2025-09-16 Chen Jiang , Kofi Osei , Sai Deepthi Yeddula , Dongji Feng , Wei-Shinn Ku

Modality fusion is a cornerstone of multimodal learning, enabling information integration from diverse data sources. However, vanilla fusion methods are limited by (1) inability to account for heterogeneous interactions between modalities…

Machine Learning · Computer Science 2025-05-27 Jiayi Xin , Sukwon Yun , Jie Peng , Inyoung Choi , Jenna L. Ballard , Tianlong Chen , Qi Long

Clinical event sequences in Electronic Health Records (EHRs) record detailed information about the patient condition and patient care as they occur in time. Recent years have witnessed increased interest of machine learning community in…

Machine Learning · Computer Science 2022-04-07 Jeong Min Lee , Milos Hauskrecht

Session-based recommendation (SR) aims to dynamically recommend items to a user based on a sequence of the most recent user-item interactions. Most existing studies on SR adopt advanced deep learning methods. However, the majority only…

Information Retrieval · Computer Science 2024-01-17 Huizi Wu , Cong Geng , Hui Fang

Mixture-of-Experts (MoE) has become a prevalent backbone for large vision-language models (VLMs), yet how modality-specific signals should guide expert routing remains under-explored. Existing routing strategies are either hand-crafted or…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Zi-Hao Bo , Yaqian Li , Anzhou Hou , Rinyoichi Takezoe , Ertao Zhao , Tianxiang Pan , Jiale Yan , Mo Guang , Kaiwen Long

Repeat consumption, such as repurchasing items and relistening songs, is a common scenario in daily life. To model repeat consumption, the repeat-aware recommendation has been proposed to predict which item will be re-interacted based on…

Information Retrieval · Computer Science 2025-06-11 Shigang Quan , Shui Liu , Zhenzhe Zheng , Fan Wu

Multimodal Retrieval-Augmented Generation (MRAG) has shown promise in mitigating hallucinations in Multimodal Large Language Models (MLLMs) by incorporating external knowledge. However, existing methods typically adhere to rigid retrieval…

Computation and Language · Computer Science 2026-04-07 Chunyi Peng , Zhipeng Xu , Zhenghao Liu , Yishan Li , Yukun Yan , Shuo Wang , Yu Gu , Minghe Yu , Ge Yu , Maosong Sun

Non-stationary time series forecasting is challenged by evolving distribution shifts that static models struggle to capture. While Mixture-of-Experts (MoE) architectures offer a promising paradigm for decoupling complex drift patterns,…

Machine Learning · Computer Science 2026-05-21 Jiawen Zhu , Shuhan Liu , Di Weng , Yingcai Wu

The online emergence of multi-modal sharing platforms (eg, TikTok, Youtube) is powering personalized recommender systems to incorporate various modalities (eg, visual, textual and acoustic) into the latent user representations. While…

Information Retrieval · Computer Science 2023-07-19 Wei Wei , Chao Huang , Lianghao Xia , Chuxu Zhang

In sequential recommendation (SR), neural models have been actively explored due to their remarkable performance, but they suffer from inefficiency inherent to their complexity. On the other hand, linear SR models exhibit high efficiency…

Information Retrieval · Computer Science 2024-12-11 Seongmin Park , Mincheol Yoon , Minjin Choi , Jongwuk Lee

Recommender systems is set up to address the issue of information overload in traditional information retrieval systems, which is focused on recommending information that is of most interest to users from massive information. Generally,…

Information Retrieval · Computer Science 2026-02-27 Xiaoqing Chen , Zhitao Li , Weike Pan , Zhong Ming

Mixture-of-Experts (MoE) architectures enable conditional computation by activating only a subset of model parameters for each input. Although sparse routing has been highly effective in language models and has also shown promise in vision,…

Machine Learning · Computer Science 2026-04-07 Vadim Vashkelis , Natalia Trukhina

Multimodal speech emotion recognition (SER) has emerged as pivotal for improving human-machine interaction. Researchers are increasingly leveraging both speech and textual information obtained through automatic speech recognition (ASR) to…

Human-Computer Interaction · Computer Science 2025-09-24 Jiajun He , Xiaohan Shi , Cheng-Hung Hu , Jinyi Mi , Xingfeng Li , Tomoki Toda

Traditional recommendation methods rely on correlating the embedding vectors of item IDs to capture implicit collaborative filtering signals to model the user's interest in the target item. Consequently, traditional ID-based methods often…

Information Retrieval · Computer Science 2025-08-22 Moyu Zhang , Yongxiang Tang , Yujun Jin , Jinxin Hu , Yu Zhang

Session-based recommendation (SBR) aims to predict the following item a user will interact with during an ongoing session. Most existing SBR models focus on designing sophisticated neural-based encoders to learn a session representation,…

Information Retrieval · Computer Science 2024-05-03 Minjin Choi , Hye-young Kim , Hyunsouk Cho , Jongwuk Lee

Understanding human intentions (e.g., emotions) from videos has received considerable attention recently. Video streams generally constitute a blend of temporal data stemming from distinct modalities, including natural language, facial…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Dingkang Yang , Mingcheng Li , Linhao Qu , Kun Yang , Peng Zhai , Song Wang , Lihua Zhang