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In the domain of intelligent transportation systems (ITS), collaborative perception has emerged as a promising approach to overcome the limitations of individual perception by enabling multiple agents to exchange information, thus enhancing…

Multiagent Systems · Computer Science 2023-05-04 Ahmed N. Ahmed , Siegfried Mercelis , Ali Anwar

Question Answering (QA) models over Knowledge Bases (KBs) are capable of providing more precise answers by utilizing relation information among entities. Although effective, most of these models solely rely on fixed relation representations…

Computation and Language · Computer Science 2021-04-02 Xu Wang , Shuai Zhao , Bo Cheng , Jiale Han , Yingting Li , Hao Yang , Ivan Sekulic , Guoshun Nan

The cross-domain recommendation technique is an effective way of alleviating the data sparse issue in recommender systems by leveraging the knowledge from relevant domains. Transfer learning is a class of algorithms underlying these…

Information Retrieval · Computer Science 2018-12-05 Guangneng Hu , Yu Zhang , Qiang Yang

Knowledge graphs (KGs) are commonly used as side information to enhance collaborative signals and improve recommendation quality. In the context of knowledge-aware recommendation (KGR), graph neural networks (GNNs) have emerged as promising…

Information Retrieval · Computer Science 2023-08-16 Yi Liu , Hongrui Xuan , Bohan Li , Meng Wang , Tong Chen , Hongzhi Yin

Massive open online courses are becoming a modish way for education, which provides a large-scale and open-access learning opportunity for students to grasp the knowledge. To attract students' interest, the recommendation system is applied…

Machine Learning · Computer Science 2020-06-25 Shen Wang , Jibing Gong , Jinlong Wang , Wenzheng Feng , Hao Peng , Jie Tang , Philip S. Yu

Graph Attention Network (GAT) and GraphSAGE are neural network architectures that operate on graph-structured data and have been widely studied for link prediction and node classification. One challenge raised by GraphSAGE is how to smartly…

Machine Learning · Computer Science 2020-06-09 Anderson de Andrade , Chen Liu

This study aims to optimize the existing retrieval-augmented generation model (RAG) by introducing a graph structure to improve the performance of the model in dealing with complex knowledge reasoning tasks. The traditional RAG model has…

Information Retrieval · Computer Science 2024-11-07 Yuxin Dong , Shuo Wang , Hongye Zheng , Jiajing Chen , Zhenhong Zhang , Chihang Wang

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

Context-aware recommendation systems improve upon classical recommender systems by including, in the modelling, a user's behaviour. Research into context-aware recommendation systems has previously only considered the sequential ordering of…

Information Retrieval · Computer Science 2022-10-20 Mufhumudzi Muthivhi , Terence L. van Zyl , Hairong Wang

The Controller Area Network (CAN) protocol is widely adopted for in-vehicle communication but lacks inherent security mechanisms, making it vulnerable to cyberattacks. This paper introduces KD-GAT, an intrusion detection framework that…

Machine Learning · Computer Science 2026-04-01 Robert Frenken , Sidra Ghayour Bhatti , Hanqin Zhang , Qadeer Ahmed

Continual learning in computer vision faces the critical challenge of catastrophic forgetting, where models struggle to retain prior knowledge while adapting to new tasks. Although recent studies have attempted to leverage the…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Xusheng Cao , Haori Lu , Linlan Huang , Fei Yang , Xialei Liu , Ming-Ming Cheng

Recommender systems are essential for guiding users through the vast and diverse landscape of digital content by delivering personalized and relevant suggestions. However, improving both personalization and interpretability remains a…

Information Retrieval · Computer Science 2025-08-05 Danial Ebrat , Tina Aminian , Sepideh Ahmadian , Luis Rueda

Text Summarization is recognised as one of the NLP downstream tasks and it has been extensively investigated in recent years. It can assist people with perceiving the information rapidly from the Internet, including news articles, social…

Computation and Language · Computer Science 2022-12-08 Guan Wang , Weihua Li , Edmund Lai , Jianhua Jiang

Online communities such as Facebook and Twitter are enormously popular and have become an essential part of the daily life of many of their users. Through these platforms, users can discover and create information that others will then…

Information Retrieval · Computer Science 2019-04-17 Weiping Song , Zhiping Xiao , Yifan Wang , Laurent Charlin , Ming Zhang , Jian Tang

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

Generative recommendation has emerged as a promising paradigm that formulates the recommendations into a text-to-text generation task, harnessing the vast knowledge of large language models. However, existing studies focus on considering…

Information Retrieval · Computer Science 2025-11-04 Sunkyung Lee , Seongmin Park , Jonghyo Kim , Mincheol Yoon , Jongwuk Lee

Knowledge graph (KG), which contains rich side information, becomes an essential part to boost the recommendation performance and improve its explainability. However, existing knowledge-aware recommendation methods directly perform…

Information Retrieval · Computer Science 2023-05-01 Xinjun Zhu , Yuntao Du , Yuren Mao , Lu Chen , Yujia Hu , Yunjun Gao

Recommender systems have played a critical role in many web applications to meet user's personalized interests and alleviate the information overload. In this survey, we review the development of recommendation frameworks with the focus on…

Information Retrieval · Computer Science 2022-03-29 Chao Huang

Graph data structures are widely used to store relational information between several entities. With data being generated worldwide on a large scale, we see a significant growth in the generation of knowledge graphs. Thing in the future is…

Artificial Intelligence · Computer Science 2023-10-24 Rohith Teja Mittakola , Thomas Hassan

Training large-scale recommendation models under a single global objective implicitly assumes homogeneity across user populations. However, real-world data are composites of heterogeneous cohorts with distinct conditional distributions. As…

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