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Related papers: PULSE: Socially-Aware User Representation Modeling…

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We present a novel framework for user representation in large-scale recommender systems, aiming at effectively representing diverse user taste in a generalized manner. Our approach employs a two-stage methodology combining representation…

Information Retrieval · Computer Science 2024-03-04 Ghazal Fazelnia , Sanket Gupta , Claire Keum , Mark Koh , Ian Anderson , Mounia Lalmas

Federated edge learning (FEEL) provides a promising foundation for edge artificial intelligence (AI) by enabling collaborative model training while preserving data privacy. However, limited and heterogeneous local datasets, as well as…

Machine Learning · Computer Science 2025-12-01 Xinnong Du , Zhonghao Lyu , Xiaowen Cao , Chunyang Wen , Shuguang Cui , Jie Xu

The remarkable progress of network embedding has led to state-of-the-art algorithms in recommendation. However, the sparsity of user-item interactions (i.e., explicit preferences) on websites remains a big challenge for predicting users'…

Information Retrieval · Computer Science 2019-07-30 Jun Zhao , Zhou Zhou , Ziyu Guan , Wei Zhao , Wei Ning , Guang Qiu , Xiaofei He

Recent advancements in session-based recommendation models using deep learning techniques have demonstrated significant performance improvements. While they can enhance model sophistication and improve the relevance of recommendations, they…

Machine Learning · Computer Science 2024-11-15 Bhavtosh Rath , Pushkar Chennu , David Relyea , Prathyusha Kanmanth Reddy , Amit Pande

In this paper, we propose a novel ranking framework for collaborative filtering with the overall aim of learning user preferences over items by minimizing a pairwise ranking loss. We show the minimization problem involves dependent random…

Graph Neural Networks (GNNs) are routinely used in molecular physics, social sciences, and economics to model many-body interactions in graph-like systems. However, GNNs are inherently local and can suffer from information flow bottlenecks.…

Computational Physics · Physics 2025-02-21 Alessandro Caruso , Jacopo Venturin , Lorenzo Giambagli , Edoardo Rolando , Frank Noé , Cecilia Clementi

Recommender systems play a crucial role in addressing the issue of information overload by delivering personalized recommendations to users. In recent years, there has been a growing interest in leveraging graph neural networks (GNNs) for…

Information Retrieval · Computer Science 2023-06-09 Ziyang Liu , Chaokun Wang , Jingcao Xu , Cheng Wu , Kai Zheng , Yang Song , Na Mou , Kun Gai

This paper presents a novel approach to representation learning in recommender systems by integrating generative self-supervised learning with graph transformer architecture. We highlight the importance of high-quality data augmentation…

Information Retrieval · Computer Science 2023-06-06 Chaoliu Li , Lianghao Xia , Xubin Ren , Yaowen Ye , Yong Xu , Chao Huang

With the emergence of social networks, social recommendation has become an essential technique for personalized services. Recently, graph-based social recommendations have shown promising results by capturing the high-order social…

Information Retrieval · Computer Science 2024-07-24 Yonghui Yang , Le Wu , Zihan Wang , Zhuangzhuang He , Richang Hong , Meng Wang

Sequential recommendation is dedicated to offering items of interest for users based on their history behaviors. The attribute-opinion pairs, expressed by users in their reviews for items, provide the potentials to capture user preferences…

Information Retrieval · Computer Science 2024-04-22 Xiaokun Zhang , Bo Xu , Youlin Wu , Yuan Zhong , Hongfei Lin , Fenglong Ma

Recommender models aimed at mining users' behavioral patterns have raised great attention as one of the essential applications in daily life. Recent work on graph neural networks (GNNs) or debiasing methods has attained remarkable gains.…

Information Retrieval · Computer Science 2024-09-05 Xinfeng Wang , Fumiyo Fukumoto , Jin Cui , Yoshimi Suzuki , Jiyi Li , Dongjin Yu

The ranking stage serves as the central optimization and allocation hub in advertising systems, governing economic value distribution through eCPM and orchestrating the user-centric blending of organic and advertising content. Prevailing…

Conversational recommender systems (CRSs) aim to proactively capture user preferences through natural language dialogue and recommend high-quality items. To achieve this, CRS gathers user preferences via a dialog module and builds user…

Artificial Intelligence · Computer Science 2025-11-12 Zhenye Yang , Jinpeng Chen , Huan Li , Xiongnan Jin , Xuanyang Li , Junwei Zhang , Hongbo Gao , Kaimin Wei , Senzhang Wang

The rapid growth of the internet has made personalized recommendation systems indispensable. Graph-based sequential recommendation systems, powered by Graph Neural Networks (GNNs), effectively capture complex user-item interactions but…

Information Retrieval · Computer Science 2026-05-06 Zahra Akhlaghi , Mostafa Haghir Chehreghani

In recommendation systems, high-quality user embeddings can capture subtle preferences, enable precise similarity calculations, and adapt to changing preferences over time to maintain relevance. The effectiveness of recommendation systems…

Sequential recommendation aims to model users' evolving interests from noisy and non-stationary interaction streams, where long-term preferences, short-term intents, and localized behavioral fluctuations may coexist across temporal scales.…

Information Retrieval · Computer Science 2026-04-24 Peilin Liu , Zhiquan Ji , Gang Yan

Collaborative filtering methods based on graph neural networks (GNNs) have witnessed significant success in recommender systems (RS), capitalizing on their ability to capture collaborative signals within intricate user-item relationships…

Information Retrieval · Computer Science 2024-04-16 Wei Wu , Chao Wang , Dazhong Shen , Chuan Qin , Liyi Chen , Hui Xiong

We present PULSE, a medical reasoning agent that combines a domain-tuned large language model with scientific literature retrieval to support diagnostic decision-making in complex real-world cases. To evaluate its capabilities, we curated a…

Computation and Language · Computer Science 2026-03-19 Zhongzhen Huang , Yan Ling , Hong Chen , Ye Feng , Li Wu , Linjie Mu , Shaoting Zhang , Xiaofan Zhang , Kun Qian , Xiaomu Li

The emerging meta- and multi-verse landscape is yet another step towards the more prevalent use of already ubiquitous online markets. In such markets, recommender systems play critical roles by offering items of interest to the users,…

Information Retrieval · Computer Science 2022-09-28 Ehsan Gholami , Mohammad Motamedi , Ashwin Aravindakshan

To enhance the mobility and convenience of the campus community, we designed and implemented the Pulse system, a visual interface for communicating the crowd information to the lay public including campus members and visitors. This is a…

Human-Computer Interaction · Computer Science 2018-10-02 Aoyu Wu , Bon Kyung Ku , Furui Cheng , Xinhuan Shu , Abishek Puri , Yifang Wang , Huamin Qu