ACM Transactions on Information Systems (TOIS) (2026)

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2026 Volume 44 Issue 1

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Reproducibility and Artifact Consistency of the SIGIR 2022 Recommender Systems Papers Based on Message Passing.
Maurizio Ferrari Dacrema|Michael Benigni|Nicola Ferro
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Projection-Displacement-Based Query Performance Prediction for Embedded Space of Dense Retrievers.
Suchana Datta|Guglielmo Faggioli|Nicola Ferro|Debasis Ganguly|Cristina Ioana Muntean|Raffaele Perego|Nicola Tonellotto
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A Model-agnostic Pre-training Framework for Search Result Diversification.
Zhirui Deng|Zhicheng Dou|Yutao Zhu|Ji-Rong Wen
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Social Cognitive Theory Enhanced Diversified Recommendation.
Zhirui Deng|Zhicheng Dou|Yutao Zhu|Ji-Rong Wen
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Getting off the DIME: Dimension Pruning via Dimension Importance Estimation for Dense Information Retrieval.
Guglielmo Faggioli|Nicola Ferro|Raffaele Perego|Nicola Tonellotto
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Predicting Document Relevance from Brain Recordings.
Vadym Gryshchuk|Maria Maistro|Christina Lioma|Tuukka Ruotsalo
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CorpusBrain++: A Continual Generative Pre-Training Framework for Knowledge-Intensive Language Tasks.
Jiafeng Guo|Changjiang Zhou|Ruqing Zhang|Jiangui Chen|Maarten de Rijke|Yixing Fan|Xueqi Cheng
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ITCoHD-MRec: An Independent Topological Preference-Aware and Cooperative Hypergraph Diffusion-Based Multimodal Recommender Model.
Xiulan Hao|Xinwei Li|Hua Wang|Zhonglong Zheng|Yunliang Jiang|Yanchun Zhang
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User Immersion-aware Short Video Recommendation.
Zhiyu He|Shaorun Zhang|Weizhi Ma|Jiayu Li|Peijie Sun|Qingyao Ai|Yiqun Liu|Min Zhang
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A Comprehensive Survey on Retrieval Methods in Recommender Systems.
Junjie Huang|Jizheng Chen|Jianghao Lin|Jiarui Qin|Ziming Feng|Weinan Zhang|Yong Yu
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Large Language Models in Document Intelligence: A Comprehensive Survey, Recent Advances, Challenges, and Future Trends.
Wenjun Ke|Yifan Zheng|Yining Li|Hengyuan Xu|Dong Nie|Peng Wang|Yao He
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Erratum: Lightweight Embeddings with Graph Rewiring for Collaborative Filtering.
Xurong Liang|Tong Chen|Wei Yuan|Hongzhi Yin
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Learn to Rank Risky Investors: A Case Study of Predicting Retail Traders' Behaviour and Profitability.
Weixian Waylon Li|Tiejun Ma
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Knowledge Graph Pruning for Recommendation.
Fake Lin|Xi Zhu|Ziwei Zhao|Deqiang Huang|Yu Yu|Xueying Li|Zhi Zheng|Tong Xu|Enhong Chen
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Multi-Channel Hypergraph Contrastive Learning for Matrix Completion.
Xiang Li|Changsheng Shui|Zhongying Zhao|Junyu Dong|Yanwei Yu
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Robust Neural Information Retrieval: An Adversarial and Out-of-Distribution Perspective.
Yu-An Liu|Ruqing Zhang|Jiafeng Guo|Maarten de Rijke|Yixing Fan|Xueqi Cheng
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GANPrompt: Improving LLM-Based Recommendations with GAN-Enhanced Diversity Prompts.
Xinyu Li|Chuang Zhao|Hongke Zhao|Likang Wu|Ming He|Jianping Fan
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Knowledge-Driven Reasoning for Compatible and Interpretable API Recommendation via Teacher LLM Distillation.
Lianyong Qi|Jianye Xie|Chunhua Hu|Xiaolong Xu|Haolong Xiang|Haipeng Dai|Rong Gu|Xuyun Zhang|Wanchun Dou
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A Comprehensive Survey on Composed Image Retrieval.
Xuemeng Song|Haoqiang Lin|Haokun Wen|Bohan Hou|Mingzhu Xu|Liqiang Nie
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Explainable Recommendation with Simulated Human Feedback.
Jiakai Tang|Jingsen Zhang|Zihang Tian|Xueyang Feng|Lei Wang|Xu Chen
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LLM4DSR: Leveraging Large Language Model for Denoising Sequential Recommendation.
Bohao Wang|Feng Liu|Changwang Zhang|Jiawei Chen|Yudi Wu|Sheng Zhou|Xingyu Lou|Jun Wang|Yan Feng|Chun Chen|Can Wang
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Decentralized Next Point-of-Interest Recommendation Guided by Willingness to Share.
Ziqing Wu|Zhu Sun|Dongxia Wang|Lu Zhang|Jie Zhang|Yew-Soon Ong
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Periodic Graph Neural Networks for Click-Through Rate Prediction in Online Advertising.
Panyu Zhai|Yanwu Yang|Chunjie Zhang
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SparseFraudNet: A Graph-based Approach for Cold-start Fraud Detection with Information Aggregation.
Wen Zhang|Rui Li|Quan Bai|Song Wang
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RECOSIM: A Universal, Accurate, and Scalable Simulation Framework for Online Community Recommendations.
Guangping Zhang|Dongsheng Li|Hansu Gu|Peng Zhang|Tun Lu|Li Shang|Ning Gu
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A Hybrid Adaptive Sampling Strategy for Fair and Accurate Meta-learned User Modeling.
Zheng Zhang|Qi Liu|Zirui Hu|Yi Zhan|Zhenya Huang|Weibo Gao|Qingyang Mao|Enhong Chen
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Beyond Texts: Incorporating Co-occurrences into the Review-based Conversation Recommendation Systems.
Haoyao Zhang|Zhida Qin|Xufeng Liang|Jing Guo|Shuang Li|Tianyu Huang|John C. S. Lui
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Self-Monitoring Large Language Models for Click-Through Rate Prediction.
Huachi Zhou|Kaijing Yu|Qinggang Zhang|Hao Chen|Daochen Zha|Wenqi Pei|Anthony Kong|Xiao Huang
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Large Language Models for Information Retrieval: A Survey.
Yutao Zhu|Huaying Yuan|Shuting Wang|Jiongnan Liu|Wenhan Liu|Chenlong Deng|Haonan Chen|Zheng Liu|Zhicheng Dou|Ji-Rong Wen

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2026 Volume 44 Issue 2

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Diversification and Fairness in Search: Two Sides of the Same Coin?
Sachin Pathiyan Cherumanal|Falk Scholer|Damiano Spina
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Multi-Relation Enhanced Dynamic Hypergraph for Session-based Recommendation.
Haoyan Fu|Zhida Qin|Wenhao Xue|Qixian Wang|Xufeng Liang|Tianyu Huang|John C. S. Lui
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SoREX: Towards Self-Explainable Social Recommendation with Relevant Ego-Path Extraction.
Hanze Guo|Yijun Ma|Xiao Zhou
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CoDeR+: Interest-aware Counterfactual Reasoning for Sequential Recommendation.
Sitao Lin|Shuai Tang|Xiaofeng Zhang|Jianghong Ma|Ziao Wang
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How Do Large Language Models Understand Relevance? A Mechanistic Interpretability Perspective.
Qi Liu|Haozhe Duan|Jiaxin Mao|Ji-Rong Wen
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Representation-Enhanced Cascading Multi-Level Interest Learning for Multi-Behavior Recommendation.
Hu Liu|Xiao Huang|Wei Zhou|Fengji Luo|Junhao Wen|Hongyu Zhang
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Global Structure-aware and Feature-augmented Graph Neural Network for Heterophilic Graphs.
Huijie Liu|Shulan Ruan|Qi Liu|Mingyue Cheng|Zhenya Huang|Yu Liu|Enhong Chen|You He
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Graph Retrieval-Augmented Generation: A Survey.
Boci Peng|Yun Zhu|Yongchao Liu|Xiaohe Bo|Haizhou Shi|Chuntao Hong|Yan Zhang|Siliang Tang
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Erratum: Knowledge-Driven Reasoning for Compatible and Interpretable API Recommendation via Teacher LLM Distillation.
Lianyong Qi|Jianye Xie|Chunhua Hu|Xiaolong Xu|Haolong Xiang|Haipeng Dai|Rong Gu|Xuyun Zhang|Wanchun Dou
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Investors Are (Not) Always Right: A Comparison of Transaction-Based and Profitability-Based Metrics for Financial Asset Recommendations.
Javier Sanz-Cruzado|Richard McCreadie|Nikolaos Droukas|Craig Macdonald|Iadh Ounis
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A Comprehensive Survey on Multi-modal Conversational Emotion Recognition with Deep Learning.
Yuntao Shou|Tao Meng|Wei Ai|Fangze Fu|Nan Yin|Keqin Li
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When Graph Contrastive Learning Backfires: Spectral Vulnerability and Defense in Recommendation.
Zongwei Wang|Min Gao|Junliang Yu|Shazia Sadiq|Hongzhi Yin|Ling Liu
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ASCD: An Adaptive Framework for Long-Tailed Cognitive Diagnosis.
Shanshan Wang|Zhen Zeng|Xun Yang|Yuanhong Zhong|Xingyi Zhang|Meng Wang
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UNGER: Generative Recommendation with A Unified Code via Semantic and Collaborative Integration.
Longtao Xiao|Haozhao Wang|Cheng Wang|Linfei Ji|Yifan Wang|Jieming Zhu|Zhenhua Dong|Rui Zhang|Ruixuan Li
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Learning Discrete Identifiers and Dense Vectors for Generative Retrieval.
Yunfan Xie|Lixin Zou|Xiangyang Luo|Hengyi Cai|Chaoran Zhang|Liming Dong|Xixun Lin|Chenliang Li
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DGGVAE: Dual-Granularity Graph Variational Auto-Encoder for Group Recommendation.
Jinfeng Xu|Zheyu Chen|Jinze Li|Shuo Yang|Wei Wang|Hewei Wang|Yijie Li|Xiping Hu|Edith C. H. Ngai
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Exploring Heterogeneous Data Lake Based on Canonical Graphs.
Qin Yuan|Ye Yuan|Zhenyu Wen|Guoren Wang
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Mutual Knowledge Distillation and Contrastive Learning between Multi-View Graphs for Cross-Domain Recommendation.
Tianzi Zang|Yidan Fan|Yixin Chen|Juan Li|Tong Zhang|Yanmin Zhu
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Beyond Similarity: Personalized Federated Recommendation with Composite Aggregation.
Honglei Zhang|Haoxuan Li|Jundong Chen|Sen Cui|Kunda Yan|Abudukelimu Wuerkaixi|Xin Zhou|Zhiqi Shen|Yidong Li
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SimCDR: Preserving Intra-Domain Similarities of Users for Cross-Domain Recommendation.
Kai Zhang|Zhihong Pan|Sanshi Lei Yu|Qi Liu|Hongke Zhao|Chaochao Chen|Enhong Chen
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Enhanced Pre-training for Recommendation via Hypergraph Structural Entropy.
Jingyun Zhang|Hao Peng|Mingdai Yang|Philip S. Yu
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SSD4Rec: A Structured State Space Duality Model for Efficient Sequential Recommendation.
Yifeng Zhang|Haohao Qu|Liang-Bo Ning|Wenqi Fan|Qing Li
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DynLLM: When Large Language Models Meet Dynamic Graph-based Recommendation.
Ziwei Zhao|Fake Lin|Xi Zhu|Zhi Zheng|Tong Xu|Shitian Shen|Xueying Li|Zikai Yin|Enhong Chen
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Disentangled Interest Network for Out-of-Distribution CTR Prediction.
Yu Zheng|Chen Gao|Jianxin Chang|Yanan Niu|Yang Song|Depeng Jin|Meng Wang|Yong Li
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Rethinking Convolutional Neural Network in Multimodal Sequential Recommendation.
Zhicheng Zhou|Xiangwu Meng|Yujie Zhang
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KnowPath: An LLM-Supported Knowledge Graph Construction and Path Finding Framework to Explainable MOOC Recommendations.
Jia Zhu|Zhangze Chen|Pasquale De Meo|Jueqi Guan|Zhongmei Han|Weijie Shi

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2026 Volume 44 Issue 3

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Leveraging Topic Specificity and Social Relationships for Expert Finding in Community Question Answering Platforms.
Maddalena Amendola|Andrea Passarella|Raffaele Perego
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Breaking the Spiral: A Utility-Driven Optimization Framework for Balanced Information Retrieval in the LLM Era.
Xiaoyang Chen|Ben He|Hongyu Lin|Xianpei Han|Tianshu Wang|Boxi Cao|Le Sun|Yingfei Sun
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Rethinking User Retention Modeling in Recommendation.
Rui Ding|Ruobing Xie|Xiaobo Hao|Xiaochun Yang|Kaikai Ge|Xu Zhang|Zhanhui Kang|Jie Zhou|Leyu Lin
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U-NIAH: Unified RAG and LLM Evaluation for Long Context Needle-in-a-Haystack.
Yunfan Gao|Yun Xiong|Wenlong Wu|Bohan Li|Yijie Zhong|Haofen Wang
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Federated Recommendation via Stochastic Aggregation and Consistency Inference.
Xiaoqiang Gui|Bowen Chen|Qiaoyu Tan|Jun Wang|Yongqing Zheng|Qingzhong Li|Li-Zhen Cui|Guoxian Yu
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Why Not Collaborative Filtering in Dual View? Bridging Sparse and Dense Models.
Hanze Guo|Jianxun Lian|Xiao Zhou
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Higher-Order Spiking and Graph Neural Network for Knowledge Tracing.
Jinru Hu|Jianrui Chen|Yuxuan Wang|Hao Liao
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SSRec: Structured Ranking Optimization Criterion for Sequential Recommendation.
Yuli Liu|Jiahao Wang|Bokang Fu|Yachao Cui|Yu Zhu|Zheng-Jun Du|Xiaojing Liu
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DemoRank: Selecting Effective Demonstrations for Large Language Models in Ranking Task.
Wenhan Liu|Yutao Zhu|Zhicheng Dou|Yujia Zhou
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CPGRec+: A Balance-Oriented Framework for Personalized Video Game Recommendations.
Xiping Li|Aier Yang|Jianghong Ma|Kangzhe Liu|Shanshan Feng|Haijun Zhang|Yi Zhao
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Batch-Adaptive Doubly Robust Learning for Debiasing Post-Click Conversion Rate Prediction Under Sparse Data.
Hang Pan|Chunyuan Zheng|Wenjie Wang|Jingang Jiang|Xueying Li|Haoxuan Li|Fuli Feng
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EffiPOI: A Product Quantization Framework Based on Knowledge Distillation for Efficient POI Recommendations.
Chengmei Peng|Yang Xu|Lei Zhu|Fengling Li|Huaxiang Zhang|Zhigang Ma
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Enhancing Bandit Algorithms with LLMs for Time-varying User Preferences in Streaming Recommendations.
Chenglei Shen|Yi Zhan|Weijie Yu|Xiao Zhang|Jun Xu
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Cross-modal Representation Shift Refinement for Point-supervised Video Moment Retrieval.
Kun Wang|Yupeng Hu|Hao Liu|Jiang Shao|Liqiang Nie
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Understanding Internal Representations of Recommendation Models with Sparse Autoencoders.
Jiayin Wang|Xiaoyu Zhang|Weizhi Ma|Zhiqiang Guo|Min Zhang
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EGCL: An Effective and Efficient Graph Contrastive Learning Framework for Social Recommendation.
Bin Wu|Bo Zhang|Yihao Tian|Chenliang Li|Jing J. Liang|Yangdong Ye
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FedHoG: Federated Homogeneous Graph Neural Network for Privacy-Preserving Recommendation.
Zihong Xian|Enyue Yang|Weike Pan|Zhong Ming
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Erratum: Learning Discrete Identifiers and Dense Vectors for Generative Retrieval.
Yunfan Xie|Lixin Zou|Xiangyang Luo|Hengyi Cai|Chaoran Zhang|Liming Dong|Xixun Lin|Chenliang Li
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A Content- and Context-Aware Click Model Based on Dynamic Graph Neural Networks.
Liu Yang|Jiaxin Mao|Ziyuan Zhao|Qiang Yan
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Large Language Model Can Interpret Latent Space of Sequential Recommender.
Zhengyi Yang|Jiancan Wu|Yanchen Luo|Jizhi Zhang|Yancheng Yuan|An Zhang|Xiang Wang|Xiangnan He
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Graph2text or Graph2token: A Perspective of Large Language Models for Graph Learning.
Shuo Yu|Yingbo Wang|Ruolin Li|Guchun Liu|Yanming Shen|Shaoxiong Ji|Bowen Li|Fengling Han|Xiuzhen Zhang|Feng Xia
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Erratum: Recommendation as Instruction Following: A Large Language Model Empowered Recommendation Approach.
Junjie Zhang|Ruobing Xie|Yupeng Hou|Wayne Xin Zhao|Leyu Lin|Ji-Rong Wen
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Progressive Adaptation of Large Language Models for Multilingual Text Ranking.
Longhui Zhang|Yanzhao Zhang|Dingkun Long|Pengjun Xie|Meishan Zhang|Jing Li|Min Zhang
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D2TCDR: Disentangled Diffusion-Based Transfer for Cross-Domain Recommendation.
Hong Zhou|Xixun Lin|Yanan Cao|Shichao Zhu|Renqi Jia|Xiangyu Zhao|Guandong Xu|Li Guo

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2026 Volume 44 Issue 4

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Music Listening, Mental Health, and Stress: A Computational Framework for Personalized Analysis and Recommendation.
Parya Abadeh|Zeinab Noorian|Fattane Zarrinkalam|Amira Ghenai
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On the Use of LLMs for Relevance Labelling.
Marwah Alaofi|Paul Thomas|Falk Scholer|Mark Sanderson
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EMPRA: Embedding Perturbation Rank Attack against Neural Ranking Models.
Amin Bigdeli|Negar Arabzadeh|Ebrahim Bagheri|Charles L. A. Clarke
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Does Knowledge Distillation Matter for Large Language Model-Based Bundle Generation?
Kaidong Feng|Zhu Sun|Jie Yang|Hui Fang|Xinghua Qu|Wenyuan Liu
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OpenEP: Open-Ended Future Event Prediction.
Yong Guan|Hao Peng|Xiaozhi Wang|Lei Hou|Juanzi Li
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Deep Learning to Rank in Industrial Search Engines, Recommender Systems, and Online Advertising: An Overview and New Perspectives.
Yulong Gu|Lixin Zou|Chenliang Li
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Push and Pull: Defending against Retrieval Poisoning Attacks via Embedding Space Reshaping.
Longzhu He|Xiyu Zhang|Quan Liu|Chaozhuo Li|Zheng Liu|Pengpeng Zhou|Sen Su
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Nuanced Differences, Profound Impact: A Comparative Learning-Enhanced Knowledge Graph Recommender for Expert Identification in Specialized Medical Fields.
Hongxun Jiang|Yechi Xu|Xiaonan Wu|Tuo Yang|Wenping Zhang
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Multi-Interest Recommendation: A Survey.
Zihao Li|Qiang Chen|Lixin Zou|Aixin Sun|Chenliang Li
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A Survey of Personalization: From RAG to Agent.
Xiaopeng Li|Pengyue Jia|Derong Xu|Yi Wen|Yingyi Zhang|Wenlin Zhang|Wanyu Wang|Yichao Wang|Zhaocheng Du|Xiangyang Li|Yong Liu|Huifeng Guo|Ruiming Tang|Xiangyu Zhao
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Adaptive Temporal Expert Routing with Hierarchical Wavelet Enhancement for Multi-Modal Sequential Recommendation.
Shiyu Liu|Jinzhao Su|Chang-Dong Wang|Shengli Sun|Chen Lin|Zhenhua Huang
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Negative Sampling in Recommendation: A Survey and Future Directions.
Haokai Ma|Ruobing Xie|Lei Meng|Fuli Feng|Xiaoyu Du|Xingwu Sun|Zhanhui Kang|Xiangxu Meng
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Retrieval-Augmented Purifier for Robust LLM-Empowered Recommendation.
Liang-Bo Ning|Wenqi Fan|Qing Li
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Statistical Filtering for Fair Item Ranking.
Guilherme Ramos|Ludovico Boratto|Mirko Marras
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Privacy Matters: Data Attack to Make User Preferences Unlearnable in Recommendation.
Pengyang Shao|Le Wu|Kun Zhang|Lei Chen|Meng Wang
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Towards Fine-Grained Knowledge Tracing by Hierarchical Fusion of Multiple Question Attributes.
Shuanghong Shen|Qi Mo|Zhenya Huang|Yu Su|Linbo Zhu|Junyu Lu|Qi Liu
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Beyond KAN: Introducing KarSein for Adaptive High-Order Feature Interaction Modeling in CTR Prediction.
Yunxiao Shi|Wujiang Xu|Haimin Zhang|Qiang Wu|Min Xu
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Direct Retrieval-augmented Optimization: Synergizing Knowledge Selection and Language Models.
Zhengliang Shi|Lingyong Yan|Weiwei Sun|Yue Feng|Pengjie Ren|Xinyu Ma|Shuaiqiang Wang|Dawei Yin|Maarten de Rijke|Zhaochun Ren
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Cross-behavior Item Dependency Modeling for Multi-behavior Recommendation.
Jian Sun|Gang Wu|Jiayao Wei|Yifei Wang|Xiaochun Yang|Bin Wang|Yatong Sun|Zihan Wang|Qingbo Zhang
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Corrigendum: One Model for All: Large Language Models Are Domain-Agnostic Recommendation Systems.
Zuoli Tang|Zhaoxin Huan|Zihao Li|Xiaolu Zhang|Jun Hu|Chilin Fu|Jun Zhou|Lixin Zou|Chenliang Li
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MetaRAG: Identifying Website Owner Using Meta-Path-Guided Dynamic Graph Retrieval-Augmented Generation.
Cheng Tu|Yunshan Ma|Bingyang Guo|Qianyu Li|Yang Li|Min Zhang|Fan Shi|Xiang Wang
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EENet: An Efficient and Effective Network for Large-Scale CTR Prediction.
Dezhi Yi|Bo Chen|Ye Lu|Hang Liu|Suqi Shi|Yangsen Liu|Wei Guo|Kenan Song|Huifeng Guo|Yong Liu|Zhenhua Dong|Ruiming Tang
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Uncovering Hidden Connections: Iterative Search and Reasoning for Video-grounded Dialog.
Haoyu Zhang|Meng Liu|Yisen Feng|Yaowei Wang|Weili Guan|Liqiang Nie
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HypeMed: Enhancing Medication Recommendations with Hypergraph-Based Patient Relationships.
Xiangxu Zhang|Xiao Zhou|Hongteng Xu|Jianxun Lian
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Balancing Imperceptible and Aggressive Poisoning Attack for Recommender Systems: A Simple Multinomial Diffusion Model.
Jun Zhu|Yuanchun Jiang|Yidong Chai|Yang Qian|Yang Wang
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GeoICMF: Twitter User Geolocation Based on Implicit Location Correlation and Multi-Scale Feature Fusion.
Shuaihui Zhu|Yaqiong Qiao|Jiangtao Ma|Xiangyang Luo|Chenliang Li