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Hypergraph can capture complex and higher-order dependencies among learners and learning resources in personalized educational recommender systems. Many existing hypergraph-based recommendation approaches underexplored the dynamic…

Information Retrieval · Computer Science 2026-03-17 Tao Xie , Yan Li , Yongpan Sheng , Jian Liao

Bundle recommendation aims to recommend the user a bundle of items as a whole. Nevertheless, they usually neglect the diversity of the user's intents on adopting items and fail to disentangle the user's intents in representations. In the…

Information Retrieval · Computer Science 2022-08-26 Sen Zhao , Wei Wei , Ding Zou , Xianling Mao

Recent graph-based models for multi-intent SLU have obtained promising results through modeling the guidance from the prediction of intents to the decoding of slot filling. However, existing methods (1) only model the unidirectional…

Computation and Language · Computer Science 2023-12-08 Bowen Xing , Ivor W. Tsang

Sequential recommendation aims at identifying the next item that is preferred by a user based on their behavioral history. Compared to conventional sequential models that leverage attention mechanisms and RNNs, recent efforts mainly follow…

Information Retrieval · Computer Science 2022-05-04 Yu Tian , Jianxin Chang , Yannan Niu , Yang Song , Chenliang Li

The rise of online learning has led to the development of various knowledge tracing (KT) methods. However, existing methods have overlooked the problem of increasing computational cost when utilizing large graphs and long learning…

Machine Learning · Computer Science 2025-07-28 Donghee Han , Daehee Kim , Minjun Lee , Daeyoung Roh , Keejun Han , Mun Yong Yi

Session-based recommendation intends to predict next purchased items based on anonymous behavior sequences. Numerous economic studies have revealed that item price is a key factor influencing user purchase decisions. Unfortunately, existing…

Information Retrieval · Computer Science 2023-11-03 Xiaokun Zhang , Bo Xu , Fenglong Ma , Chenliang Li , Yuan Lin , Hongfei Lin

A key challenge in deriving unified neural solvers for combinatorial optimization (CO) is efficient generalization of models between a given set of tasks to new tasks not used during the initial training process. To address it, we first…

Machine Learning · Computer Science 2026-03-04 Semih Cantürk , Thomas Sabourin , Frederik Wenkel , Michael Perlmutter , Guy Wolf

Exploratory information search can challenge users in the formulation of efficacious search queries. Moreover, complex information spaces, such as those managed by Geographical Information Systems, can disorient people, making it difficult…

Information Retrieval · Computer Science 2020-03-26 Noemi Mauro , Liliana Ardissono

Dynamic graphs capture evolving interactions between entities, such as in social networks, online learning platforms, and crowdsourcing projects. For dynamic graph modeling, dynamic graph neural networks (DGNNs) have emerged as a mainstream…

Machine Learning · Computer Science 2025-03-04 Xingtong Yu , Zhenghao Liu , Xinming Zhang , Yuan Fang

Multimodal recommender systems improve the performance of canonical recommender systems with no item features by utilizing diverse content types such as text, images, and videos, while alleviating inherent sparsity of user-item interactions…

Information Retrieval · Computer Science 2026-03-25 Yu-Seung Roh , Joo-Young Kim , Jin-Duk Park , Won-Yong Shin

The KNN approach, which is widely used in recommender systems because of its efficiency, robustness and interpretability, is proposed for session-based recommendation recently and outperforms recurrent neural network models. It captures the…

Information Retrieval · Computer Science 2018-07-17 Huifeng Guo , Ruiming Tang , Yunming Ye , Feng Liu , Yuzhou Zhang

Tracking multiple objects in videos relies on modeling the spatial-temporal interactions of the objects. In this paper, we propose a solution named TransMOT, which leverages powerful graph transformers to efficiently model the spatial and…

Computer Vision and Pattern Recognition · Computer Science 2021-04-06 Peng Chu , Jiang Wang , Quanzeng You , Haibin Ling , Zicheng Liu

Session-based recommendation aims to predict items that an anonymous user would like to purchase based on her short behavior sequence. The current approaches towards session-based recommendation only focus on modeling users' interest…

Information Retrieval · Computer Science 2022-05-10 Xiaokun Zhang , Bo Xu , Liang Yang , Chenliang Li , Fenglong Ma , Haifeng Liu , Hongfei Lin

In recent years, research has been done on applying Recurrent Neural Networks (RNNs) as recommender systems. Results have been promising, especially in the session-based setting where RNNs have been shown to outperform state-of-the-art…

Information Retrieval · Computer Science 2017-06-26 Massimiliano Ruocco , Ole Steinar Lillestøl Skrede , Helge Langseth

Efficiently capturing consistent and complementary semantic features in a multimodal conversation context is crucial for Multimodal Emotion Recognition in Conversation (MERC). Existing methods mainly use graph structures to model dialogue…

Computation and Language · Computer Science 2024-05-06 Tao Meng , Fuchen Zhang , Yuntao Shou , Wei Ai , Nan Yin , Keqin Li

This work introduces MultiTRON, an approach that adapts Pareto front approximation techniques to multi-objective session-based recommender systems using a transformer neural network. Our approach optimizes trade-offs between key metrics…

Information Retrieval · Computer Science 2025-04-01 Timo Wilm , Philipp Normann , Felix Stepprath

Both knowledge graphs and user-item interaction graphs are frequently used in recommender systems due to their ability to provide rich information for modeling users and items. However, existing studies often focused on one of these sources…

Information Retrieval · Computer Science 2023-06-27 Yajing Yang , Zeyu Zeng , Mao Chen , Ruirui Shang

Session-based recommendation (SBR) has drawn increasingly research attention in recent years, due to its great practical value by only exploiting the limited user behavior history in the current session. Existing methods typically learn the…

Information Retrieval · Computer Science 2022-01-12 Ansong Li , Zhiyong Cheng , Fan Liu , Zan Gao , Weili Guan , Yuxin Peng

Collaborative decision-making is an essential capability for multi-robot systems, such as connected vehicles, to collaboratively control autonomous vehicles in accident-prone scenarios. Under limited communication bandwidth, capturing…

Robotics · Computer Science 2023-11-01 Peng Gao , Yu Shen , Ming C. Lin

Inspired by the fact that spreading and collecting information through the Internet becomes the norm, more and more people choose to post for-profit contents (images and texts) in social networks. Due to the difficulty of network censors,…

Computer Vision and Pattern Recognition · Computer Science 2021-04-01 Lu Zhang , Jian Zhang , Zhibin Li , Jingsong Xu