Web Search and Data Mining (WSDM) (2026)

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Proceedings of the Nineteenth ACM International Conference on Web Search and Data Mining, WSDM 2026, Boise, ID, USA, February 22-26, 2026

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Proceedings of the Nineteenth ACM International Conference on Web Search and Data Mining, WSDM 2026, Boise, ID, USA, February 22-26, 2026

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Continuous-time Discrete-space Diffusion Model for Recommendation.

Chengyi Liu|Xiao Chen|Shijie Wang|Wenqi Fan|Qing Li

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Scholar API: Search and Recommendations for Academic Search.

Kenneth Church|Omar Alonso

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GNN Explainers 2.0: User-centric and Data-driven Insights.

Arijit Khan|Xiangyu Ke|Yinghui Wu|Francesco Bonchi

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Combining Structural and Textual Knowledge for Knowledge Graph Link Prediction via Large Language Models.

Shijie Luo|Xinyuan Lu|Qinpei Zhao|Weixiong Rao

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Have We Really Understood Collaborative Information? An Empirical Investigation.

Xiaokun Zhang|Zhaochun Ren|Bowei He|Ziqiang Cui|Chen Ma

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Adaptive Continual Learning with User-Incremental Forward Compatibility for Meta-Augmented Cold-Start Recommenders.

Chunyang Wang|Xuhao Zhao|Wenze Ma|Zhaobo Wang|Yanmin Zhu|Haobing Liu

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STORM: A Spatio-Temporal Factor Model Based on Dual Vector Quantized Variational Autoencoders for Financial Trading.

Yilei Zhao|Wentao Zhang|Tingran Yang|Yong Jiang|Fei Huang|Wei Yang Bryan Lim

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SARC: Sentiment-Augmented Deep Role Clustering for Fake News Detection.

Jingqing Wang|Jiaxing Shang|Rong Xu|Fei Hao|Tianjin Huang|Geyong Min

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LookAhead Tuning: Safer Language Models via Partial Answer Previews.

Kangwei Liu|Mengru Wang|Yujie Luo|Lin Yuan|Mengshu Sun|Lei Liang|Zhiqiang Zhang|Jun Zhou|Bryan Hooi|Shumin Deng

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Constructing Commonsense Knowledge Graph for Persona Consistency.

Lei Xia|Yuyan Chen|Xiangqin Chen|Jixiang Fan|Weinan Dai|Xiaomei Li|Zhixu Li

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RPE4Rec: Enhancing Dynamic Node Retrieval with Efficient Relative Position Encoding for Recommendation Systems.

Ke Cheng|Heng Chang|Pengyang Wang|Liang Gu|Jiandong Ding|Yi Cao|Junchen Ye|Bowen Du

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Leveraging Retrieval-Augmented Language Models for Accurate Item/Feature Selection in Conversational Recommender Systems.

Taeho Kim|Junpyo Kim|Won-Yong Shin|Sang-Wook Kim

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TimeMAE: Self-Supervised Representations of Time Series with Decoupled Masked Autoencoders.

Mingyue Cheng|Xiaoyu Tao|Zhiding Liu|Qi Liu|Hao Zhang|Rujiao Zhang|Enhong Chen

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Mitigating the Threshold Priming Effect in Large Language Model-Based Relevance Judgments via Personality Simulation.

Nuo Chen|Hanpei Fang|Jiqun Liu|Wilson Wei|Tetsuya Sakai|Xiao-Ming Wu

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MolEdit: Knowledge Editing for Multimodal Molecule Language Models.

Zhenyu Lei|Patrick Soga|Yaochen Zhu|Yinhan He|Yushun Dong|Jundong Li

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Can Slow-Thinking LLMs Reason Over Time? Empirical Studies in Time Series Forecasting.

Mingyue Cheng|Jiahao Wang|Daoyu Wang|Xiaoyu Tao|Qi Liu|Enhong Chen

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Fast-DataShapley: Neural Modeling for Training Data Valuation.

Haifeng Sun|Yu Xiong|Runze Wu|Xinyu Cai|Changjie Fan|Lan Zhang|Xiang-Yang Li

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C2-Cite: Contextual-Aware Citation Generation for Attributed Large Language Models.

Yue Yu|Ting Bai|Hengzhi Lan|Li Qian|Li Peng|Jie Wu|Wei Liu|Jian Luan|Chuan Shi

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Does Homophily Help in Robust Test-time Node Classification?

Yan Jiang|Ruihong Qiu|Zi Huang

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Causality with Knowledge Graphs: Semantics and Inference.

Hao Huang

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Joint Graph Learning for Robust Causal Inference over Knowledge Graphs.

Hao Huang|Maria-Esther Vidal

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KnowFC: Navigating Knowledge Conflicts in Large Language Model-based Fact-Checking.

Yue Zhang|Shicheng Zhou|Xiaopeng Li|Zhiliang Tian|Yifu Gao|Shiyi Zhang|Wenqing Hou|Yuying Liu|Bin Zhou

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Web-Mined Hypothesis Generation for Financial Markets: An Autonomous Backtesting Framework.

Jing Li|Jinliang Li

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EvioSum: An Evidence-Guided Generation Framework for Faithful and Interpretable Opinion Summarization.

Jian Wang|Yanjie Liang|Yuqing Sun|Bin Gong

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Bridge Breaking for Graph Neural Networks.

Wei Li|Jiaxing Xu|Xia Dong|Yiping Ke

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TempRetriever: Fusion-based Temporal Dense Passage Retrieval for Time-Sensitive Questions.

Abdelrahman Abdallah|Bhawna Piryani|Jonas Wallat|Avishek Anand|Adam Jatowt

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A New Attack Surface: XAI-guided Adversarial Comment Generation with LLMs to Attack Fake News Detectors.

Md Shoaib Ahmed|Francesca Spezzano

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Forget and Explain: Transparent Verification of GNN Unlearning.

Imran Ahsan|Hyunwook Yu|Jinsung Kim|Mucheol Kim

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SAGERec: Sampling and Gating for Enhanced Long-Tail Item Recommendations.

Abdulla Alshabanah|Yuxin Yang|Murali Annavaram

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Phishing Detection in Web Domains: new intelligent tool leveraging the effectiveness of emerging Generative models.

Carmine Ambrosino|Maurizio Atzori|Stefano Cirillo|Domenico Desiato|Simona Ettari|Giuseppe Polese|Giandomenico Solimando

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Towards Building an Enterprise World Model.

Khaled Ammar

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Can LLMs Uphold Research Integrity? Evaluating the Role of LLMs in Peer Review Quality.

Negar Arabzadeh|Sajad Ebrahimi|Soroush Sadeghian|Seyed Mohammad Hosseini|Alireza Daqiq|Hai Son Le|Mahdi Bashari|Ebrahim Bagheri

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Cold-Start Active Correlation Clustering.

Linus Aronsson|Han Wu|Morteza Haghir Chehreghani

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HoGA: Higher-Order Graph Attention via Diversity-Aware k-Hop Sampling.

Thomas Bailie|Yun Sing Koh|Surya Karthik Mukkavilli

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PushGen: Push Notifications Generation with LLM.

Shifu Bie|Jiangxia Cao|Zixiao Luo|Yichuan Zou|Lei Liang|Lu Zhang|Linxun Chen|Zhaojie Liu|Xuanping Li|Guorui Zhou|Kaiqiao Zhan|Kun Gai

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Workshop on Benchmarking Causal Models (CausalBench).

K. Selcuk Candan|Huan Liu|Ruocheng Guo|Paras Sheth

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Foresight Prediction Enhanced Live-Streaming Recommendation.

Jiangxia Cao|Ruochen Yang|Xiang Chen|Changxin Lao|Yueyang Liu|Yusheng Huang|Yuanhao Tian|Xiangyu Wu|Shuang Yang|Zhaojie Liu|Guorui Zhou

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Abacus: Self-Supervised Event Counting-Aligned Distributional Pretraining for Sequential User Modeling.

Sullivan Castro|Artem Betlei|Thomas Di Martino|Nadir El Manouzi

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Personalization in the Era of Super(?)-intelligence.

James Caverlee

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Using Brand Knowledge Bases and LLM Agents to Enhance E-commerce Retailers' Catalog Quality.

Hayreddin Çeker|Gang Luo|Kee Kiat Koo|Prashant Mathur|Wencong You|Atharva Amdekar|Rob Barton|Navaneet K. L.|Vidit Bansal|Karim Bouyarmane

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G-TRAC: Graph-textual Representations Alignment for Cold-start Recommendations.

Li-Yang Chang|Yuan Fang|Ming-Feng Tsai|Chuan-Ju Wang

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Waterlogformer: A Multimodal Model for Waterlogging Prediction.

Yinan Chen|Ronghui Xu|Endai Shu|Chenjuan Guo|Bin Yang

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Code LLMs Still Fall Short of Top Programmers: Evaluating Algorithmic Code Generation Through Computational Thinking.

Shisong Chen|Ziyu Zhou|Yicong Zhao|Chengyi Yang|Zhixu Li|Yanghua Xiao|Xin Lin|Xiaojun Meng|Jiansheng Wei|Kuien Liu

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Unsupervised Dense Retrieval with Conterfactual Contrastive Learning.

Haitian Chen|Qingyao Ai|Yujia Zhou|Xiao Wang|Yiqun Liu|Fen Lin|Qin Liu

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ChorusCVR: Chorus Supervision for Entire Space Post-Click Conversion Rate Modeling.

Wei Cheng|Yucheng Lu|Boyang Xia|Jiangxia Cao|Kuan Xu|Mingxing Wen|Wei Jiang|Jiaming Zhang|Zhaojie Liu|Liyin Hong|Kun Gai|Guorui Zhou

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Decoupling User Features for User Cold-Start App Recommendation: Static Attributes versus Behavioral Sequences.

Bin Chen|Yu Kang|Li Ma|Yue Ding|Xiaofeng Gao

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Factorized Transport Alignment for Multimodal and Multiview E-commerce Representation Learning.

Xiwen Chen|Yen-Chieh Lien|Susan Liu|María Castaños|Abolfazl Razi|Xiaoting Zhao|Congzhe Su

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Multi-Personality Generation of LLMs at Decoding-time.

Rongxin Chen|Yunfan Li|Yige Yuan|Bingbing Xu|Huawei Shen

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Large Language Model Judged Self-Training for Named Entity Recognition.

Shisong Chen|Jiaan Wang|Chengyi Yang|Yanghua Xiao|Zhixu Li|Xin Lin

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When Modalities Go Missing: Early Fusion for Multimodal Recommendation.

Lu Chen|Peng Yi|Xiaoyue Hou|Cheng Yang|Xiongcai Cai

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Uncertainty Quantification for Dynamical Networks.

Zhiqian Chen|Zonghan Zhang

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The Future of Personalized Universal Assistant.

Ed H. Chi

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SimDiffRec: Semantic Similarity-Guided Diffusion for Contrastive Sequential Recommendation.

Jinkyeong Choi|Yejin Noh|Donghyeon Park

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Efficient Monte Carlo Algorithms for Approximating Katz Centrality on Large Graphs.

Garrett W. Cornett|Minh Phu Vuong|Chul-Ho Lee

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Continual Learning on Evolving Graphs via Mutual Information Maximization across Dynamic Node Embeddings.

Shailesh Dahal|Ratri Mukherjee|Kishlay Jha

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TaxoDiff: Improving Taxonomy Completion with Diffusion Guided Dynamic Negative Sampling.

Shailesh Dahal|Ratri Mukherjee|Nicholas Mathews|Kishlay Jha

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TRACE: A Scalable and Extensible Framework for Auditing YouTube's Recommendation Algorithm.

Quentin Dessain|Colin Timmers|Corentin Vande Kerckhove

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TRUE: A Reproducible Framework for LLM-Driven Relevance Judgment in Information Retrieval.

Mouly Dewan|Jiqun Liu|Chirag Shah

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Enhanced Cold-Start Sequential Recommendation with Causal Diffusion Preference Modeling.

Hongsheng Dong|Haolong Xiang|Xiaolong Xu|Xuyun Zhang

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Sequential Recommendation with Generative Intent Prediction Utilizing User Search-Behavior.

Guy Elovici|Bracha Shapira|Haggai Roitman|Yotam Eshel

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Identifiable Disentangled Representation Learning for Causal Inference under Network Interference.

Di Fan|Chuanhou Gao

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A Joint Auction Framework with Externalities and Adaptation.

Chun Fang|Luowen Liu|Kun Huang|Tao Ruan|Sheng Yan|Zhen Wang|Huan Li|Qiang Liu|Xingxing Wang

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RankGraph-Context: Empowering Different Industrial Recommendation System Stages.

Dongqi Fu|Yinglong Xia|Hong Li|Hong Yan

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Dynamic Metrics to Validate the Use of Machine-Learned Interatomic Potential for Dynamic Sampling.

Bourgeois Biova Irénée Gadjagboui|Md. Sharif Khan|Oliviero Andreussi

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Multi-Agent System for Adversarial Robustness and Originality Attribution in Short-Form Videos.

Aditya Gautam|Somya Bhargava

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DDGCL: Dual Diffusion-based Graph Contrastive Learning for Recommendation.

Shiqi Ge|Shunmei Meng|Xiaoxiao Chi|Lianyong Qi|Xiaolong Xu|Amin Beheshti|Xuyun Zhang

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From Personalization to Prejudice: Bias and Discrimination in Memory-Enhanced AI Agents for Recruitment.

Himanshu Gharat|Himanshi Agrawal|Gourab K. Patro

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A Preliminary Agentic Framework for Matrix Deflation.

Paimon Goulart|Evangelos E. Papalexakis

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Preliminary Use of Vision Language Model Driven Extraction of Mouse Behavior Towards Understanding Fear Expression.

Paimon Goulart|Jordan Steinhauser|Kylene Shuler|Edward Korzus|Jia Chen|Evangelos E. Papalexakis

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GenAI4SM: Generative AI for Streaming Media.

Amit Goyal|Vladan Radosavljevic|Sudarshan Lamkhede|Praveen Chandar|Arnab Bhadury|Tao Ye

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LLM Agent-based Shilling Attack on Recommender Systems.

Shengkang Gu|Jiahao Liu|Dongsheng Li|Guangping Zhang|Mingzhe Han|Hansu Gu|Peng Zhang|Ning Gu|Li Shang|Tun Lu

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GSDiffRec: Enhancing Personalized Sequential Recommendation via Diffusion Augmentation and Guidance Optimization.

Ruxue Han|Lianyong Qi|Chao Yan|Weiyi Zhong|Boyuan Yan|Bing Zhao|Xiaoran Zhao|Zhikang Feng|Xiaolong Xu|Haolong Xiang|Xuyun Zhang

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Bootstrapping in the Loop: Multi-hop Question Answering via Alternating Decomposition and Retrieval.

Jiawei He|Zhanpeng Guan|Fuwei Zhang|Zhao Zhang|Yongjun Xu

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Towards Next-Generation Recommender Systems: A Benchmark for Personalized Recommendation Assistant with LLMs.

Jiani Huang|Shijie Wang|Liangbo Ning|Wenqi Fan|Shuaiqiang Wang|Dawei Yin|Qing Li

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LLM-Guided Beam Search for Decision Graph Optimization with Dynamic Prompting.

Qihao Huang

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How Do LLM-Generated Texts Impact Term-Based Retrieval Models?

Wei Huang|Keping Bi|Yinqiong Cai|Wei Chen|Jiafeng Guo|Xueqi Cheng

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Dual Conditional Diffusion for Sequential Recommendation.

Hongtao Huang|Chengkai Huang|Tong Yu|Xiaojun Chang|Wen Hu|Julian J. McAuley|Lina Yao

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Network Tomography with Path-Centric Graph Neural Network.

Yuntong Hu|Junxiang Wang|Liang Zhao

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N41: Leveraging One Target and Neighboring Features to Improve Anomaly Detection Accuracy.

Won-Seok Hwang|Jeong-Han Yun|Byung-Gil Min

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Metadata Meets LLMs: Constructing Knowledge-Rich Citation Networks with CoT-Enhanced Representations.

Soohwan Jeong|Mingyu Choi|Joon-Young Kim|Susik Yoon|Sungsu Lim

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Diffusion Models for Risk-Aware Portfolio Optimization.

Jihyeong Jeon|Jeongyoung Lee|U Kang

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TableMind: An Autonomous Programmatic Agent for Tool-Augmented Table Reasoning.

Chuang Jiang|Mingyue Cheng|Xiaoyu Tao|Qingyang Mao|Jie Ouyang|Qi Liu

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On Causal and Anticausal LLM-based Data Synthesis.

Bohan Jiang|Pingchuan Ma|Zhuoyu Shi|Fred Morstatter|Adrienne Raglin|Huan Liu

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SoftHist: Teaching Graph Injection Attackers to Camouflage with Memory.

Yidong Jiang|Ziwen Xu|Linbo Shao|Peng Zhu|Dawei Cheng

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DDIREC: Domain-Disentanglement on Item Representations for Cross-Domain Recommendation.

Pongsakorn Jirachanchaisiri|Saranya Maneeroj|Atsuhiro Takasu

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Transfer Learning via User-Item Graph Convolution for Enhanced Cross-Domain Recommendation.

Zheng Ju|Qinqin Wang|Diarmuid O'Reilly-Morgan|Elias Z. Tragos|Neil Hurley|Ruihai Dong|Aonghus Lawlor

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Design and Evaluation of Whole-Page Experience Optimization for E-commerce Search.

Pratik Lahiri|Bingqing Ge|Zhou Qin|Aditya Jumde|Shuning Huo|Lucas Scottini|Yi Liu|Mahmoud Mamlouk|Wenyang Liu

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WSDM CUP 2026: Multilingual Retrieval.

Dawn J. Lawrie|Sean MacAvaney|James Mayfield|Luca Soldaini|Eugene Yang|Andrew Yates

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Sequential Data Augmentation for Generative Recommendation.

Geon Lee|Bhuvesh Kumar|Mingxuan Ju|Tong Zhao|Kijung Shin|Neil Shah|Liam Collins

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MerFT: A Framework for Social Conflict Meme Exploration via Multimodal Retrieval-Augmented Fine-tuning.

Jinkwon Lee|Giseong Kim|Hyeji Yang|Dongyoung Tcha|Hayoung Oh

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Capturing User Interests from Data Streams for Continual Sequential Recommendation.

Gyuseok Lee|Hyunsik Yoo|Junyoung Hwang|SeongKu Kang|Hwanjo Yu

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Rule Mining and Learning for Structured Knowledge Retrieval.

Yongjia Lei|Mahantesh Halappanavar|Yu Wang

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Cyberpsychology: Emotion as the Hidden Driver of Social Behavior in Online Networks.

Kristina Lerman

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A Spectral Heterogeneous Diffusion Framework for Knowledge-aware Recommendation.

Xiangming Li|Hua Chu|Chengyu Feng|Jianan Li|Yangtao Zhou|Qingshan Li|Wanqiang Yang

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A Two-Stage Anomaly-Aware Framework for Robust Traffic Forecasting with Memory-Guided GNNs.

Pei-Xuan Li|Cheng-Ru Chou|Jhe-Wei Tsai|Hsun-Ping Hsieh

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EpicCBR: Item-Relation-Enhanced Dual-Scenario Contrastive Learning for Cold-Start Bundle Recommendation.

Yihang Li|Zhuo Liu|Wei Wei

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A Real-Time System to Populate FRA Form 57 from News.

Chansong Lim|Haz Sameen Shahgir|Yue Dong|Jia Chen|Evangelos E. Papalexakis

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Calibration in Dynamic Recommender Systems.

Kun Lin

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Assembling Your Personal AI Council in Yupp to Provide Multiple Perspectives.

Jimmy Lin|Ronak Pradeep|Gilad Mishne|Pankaj Gupta

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LLM-GC: Advancing Granger Causal Discovery from Time Series with Multimodel Language Modeling.

Bo Liu|Hongyan Li|Shenda Hong

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Debias Once for All: A Data-Centric Strategy for Fair Machine Learning.

Yezi Liu|Hanning Chen|Yanning Shen|Mohsen Imani

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Accelerating Generative Recommendation via Simple Categorical User Sequence Compression.

Qijiong Liu|Lu Fan|Zhongzhou Liu|Xiaoyu Dong|Yuankai Luo|Guoyuan An|Nuo Chen|Wei Guo|Yong Liu|Xiao-Ming Wu

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CoDA: A Context-Decoupled Hierarchical Agent with Reinforcement Learning.

Xuanzhang Liu|Jianglun Feng|Zhuoran Zhuang|Junzhe Zhao|Maofei Que|Jieting Li|Dianlei Wang|Hao Tong|Ye Chen|Pan Li

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Hybrid Dual-Semantics Modeling for Enhancing Large Language Model Based Recommendation.

Canyi Liu|Tianyi Li|Wei Li|Youchen Zhang|Xiaodong Li|Hui Li

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Confounder-Aware Causal Graph Learning Framework for Multivariate Time Series Analysis.

Bo Liu|Yuefeng Ma

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APPNet: Automatic Feature Partitioning-Based Parameter Personalized Network for Conversion Prediction in E-commerce.

Shui Liu|Mingyuan Tao|Maofei Que|Pan Li|Zhuoran Zhuang

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CAT-ID2: Category-Tree Integrated Document Identifier Learning for Generative Retrieval In E-commerce.

Xiaoyu Liu|Fuwei Zhang|Yiqing Wu|Xinyu Jia|Zenghua Xia|Fuzhen Zhuang|Zhao Zhang|Fei Jiang|Wei Lin

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Spectral Modeling of Periodic Phenomena in Scientific Data via Fourier-Galerkin Representation.

Isabella Li|Zigan Wang

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Sharpness-aware Federated Graph Learning.

Ruiyu Li|Peige Zhao|Guangxia Li|Pengcheng Wu|Xingyu Gao|Zhiqiang Xu

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ReToP: Learning to Rewrite Electronic Health Records for Clinical Prediction.

Jesús Lovón-Melgarejo|José G. Moreno|Christine Damase-Michel|Lynda Tamine

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Time-Aware Adaptive Side Information Fusion for Sequential Recommendation.

Jie Luo|Wenyu Zhang|Xinming Zhang|Yuan Fang

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Building Human-Aligned AI through Representation Augmentation and Structuring.

Hanjia Lyu

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Stealing Black-box Hyperdimensional Computing Models Without Data.

Dongning Ma|Ruixuan Wang|Xun Jiao

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How Sharp and Bias-Robust is a Model? Dual Evaluation Perspectives on Knowledge Graph Completion.

Sooho Moon|Yunyong Ko

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CelebCaption: A Benchmark Dataset for Identity-Sensitive Unlearning in Image Captioning.

Hakjun Moon|Simon S. Woo

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SHIELD: A Framework for Online Conversational AI System for Self-Regulated Learning at Emergency Communications Centers.

Ramya Sreekanta Nayaka|Ritesh Somashekar|Kathryn B. Laskey|Linton Wells|Hemant Purohit

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HADSF: Aspect Aware Semantic Control for Explainable Recommendation.

Zheng Nie|Peijie Sun

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A Comprehensive Guide to Time-Series Anomaly Detection.

John Paparrizos|Paul Boniol|Qinghua Liu|Themis Palpanas

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Prompt Tuning without Labeled Samples for Zero-Shot Node Classification in Text-Attributed Graphs.

Sethupathy Parameswaran|Suresh Sundaram|Yuan Fang

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An Application for Development and Interactive Visual Engagement with the SHARECITY 200 Food Sharing Initiative (FSI) database in the CULTIVATE project.

Anastasiia Potyagalova|Hyunji Cho|Ivan Bacher|Hao Wu|Patricia Buffini|Anna R. Davies|Gareth J. F. Jones

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DSP: A Statistically-Principled Structural Polarization Measure.

Giulia Preti|Matteo Riondato|Aristides Gionis|Gianmarco De Francisci Morales

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Rigorizing Retrieval-augmented Generation with Structured Knowledge Intelligence (6 Hrs).

Zhisheng Qi|Yongjia Lei|Haoyu Han|Harry Shomer|Kaize Ding|Yu Zhang|Ryan A. Rossi|Hui Liu|Yu Wang

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PR-CapsNet: Pseudo-Riemannian Capsule Network with Adaptive Curvature Routing for Graph Learning.

Ye Qin|Jingchao Wang|Yang Shi|Haiying Huang|Junxu Li|Weijian Liu|Tinghui Chen|Jinghui Qin

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Identify-Conceptualize-Align: A Schema-Adaptive Framework for Unified Entity Recognition and Event Detection.

Weicheng Ren|Zixuan Li|Long Bai|Xiaolong Jin|Jiafeng Guo|Xueqi Cheng

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Pre-training Language Model for Friend Recommendation: A Case Study of Large Social Graph.

Bin Ren|Wei Sun|Shuqi Feng|Yunzhong He|Jun Xiao

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Knowledge Homophily in Large Language Models.

Utkarsh Sahu|Zhisheng Qi|Mahantesh Halappanavar|Nedim Lipka|Ryan A. Rossi|Franck Dernoncourt|Yu Zhang|Yao Ma|Yu Wang

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From Perception to Share: Understanding Misinformation Through User Believability and Linguistic Ambivalence.

Mostofa Najmus Sakib

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Credibility Drift Attacks: LLM Crafted Adversarial Manipulations That Flip News Believability.

Mostofa Najmus Sakib|Francesca Spezzano

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Risk-Aware Utility Re-Ranking for Financial Asset Recommendation.

Keigo Sakurai|Takahiro Ogawa|Miki Haseyama|Anjyu Anan|Kei Nakagawa

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Multi-view Graph Condensation via Tensor Decomposition.

Nícolas Roque dos Santos|Dawon Ahn|Diego Minatel|Alneu de Andrade Lopes|Evangelos E. Papalexakis

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A New Query Expansion Approach for Enhancing Information Retrieval via Agent-Mediated Dialogic Inquiry.

Wonduk Seo|Hyunjin An|Seunghyun Lee

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Image-Guided Debiasing Distillation with Preference Alignment Across Multi-News Histories.

Jimyeung Seo|Eun-Yeong Jo|Hye-Yoon Baek|Dongcheon Lee|Xiongnan Jin|Byungkook Oh

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Self-Paced Fair Ranking with Loss as a Proxy for Bias.

Shirin Seyedsalehi|Hai Son Le|Morteza Zihayat|Ebrahim Bagheri

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Mind the Links: Cross-Layer Attention for Link Prediction in Multiplex Networks.

Devesh Sharma|Aditya Kishore|Ayush Garg|Debajyoti Mazumder|Debasis Mohapatra|Jasabanta Patro

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Revisiting IPS in Recommendation Models: Unveiling Its Impact on Model Performance.

Wonhyung Shin|Jong-June Jeon

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Aligning Extraction and Generation for Robust Retrieval-Augmented Generation.

Hwanjun Song|Jeonghwan Choi|Minseok Kim

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WEB&GRAPH 2026: Workshop on Web & Graphs, Responsible Intelligence, and Social Media.

Matteo Spezialetti|Andrea D'Angelo|Francesca Ciccarelli|Giuseppe Costanzo|Daniele Fossemò|Filippo Mignosi

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Third Workshop on Generative AI for Recommender Systems and Personalization.

Narges Tabari|Aniket Deshmukh|Wang-Cheng Kang|Julian J. McAuley|James Caverlee|Neil Shah|George Karypis

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Diversification as Risk Minimization.

Rikiya Takehi|Fernando Diaz|Tetsuya Sakai

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Explaining the 'Unexplainable' Large Language Models.

Zhen Tan|Song Wang|Tianlong Chen|Jing Ma|Jundong Li|Huan Liu

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Precision vs. Discovery: An Adaptive Agent Navigating the Cold-Start Trade-off.

Vedant Thakkar

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MELCOT: A Hybrid Learning Architecture with Marginal Preservation for Matrix-Valued Regression.

Khang Tran|Hieu Cao|Thinh Pham|Nghiem Diep|Tri Cao|Binh Nguyen

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Federated Watermarking of Deep Neural Networks with Distributed Verification.

Sheng-Po Tseng|Lo-Yao Yeh|Hui-Ju Hung|Chih-Ya Shen

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Cold-Starting Podcast Ads and Promotions with Multi-Task Learning on Spotify.

Shivam Verma|Hannes Karlbom|Yu Zhao|Nick Topping|Vivian Chen|Kieran Stanley|Bharath Rengarajan

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Proficient Graph Neural Network Design by Accumulating Knowledge on Large Language Models.

Jialiang Wang|Hanmo Liu|Shimin Di|Zhili Wang|Jiachuan Wang|Lei Chen|Xiaofang Zhou

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Beyond Existing Retrievals: Cross-Scenario Incremental Sample Learning Framework.

Tao Wang|Xun Luo|Jinlong Guo|Yuliang Yan

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Taming Non-Stationary Knowledge Growth: Dynamic Global Memory Framework for Lifelong Knowledge Graph Embedding.

Ling Wang|Yan Liu|Jicang Lu|Xiaoyu Guo|Zhipeng Li|Ningbo Huang

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Adapting to Evolving Data: Test-Time Expert Aggregation for Imbalanced Tabular Regression.

Yung-Chien Wang|Kuang-Da Wang|Wei-Yao Wang|Wen-Chih Peng

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DGNet: Enhancing Parallel CTR Prediction Models via Decoupled Gated Network: Enhancing Parallel CTR Prediction Models via Decoupled Gated Network.

Fangye Wang|Xiaoran Yan

doi dblp

NILC: Discovering New Intents with LLM-assisted Clustering.

Hongtao Wang|Renchi Yang|Wenqing Lin

doi dblp

Fairness-aware PageRank via Edge Reweighting.

Honglian Wang|Haoyun Zhou|Aristides Gionis

doi dblp

TemporalExpertNet: Cross-Temporal Knowledge Reuse for Promotion-Aware CVR Prediction.

Minmao Wang|Rui Zhang|Shijie Yi|Likang Wu|Hongke Zhao|Fei Pan|Qingpeng Cai|Peng Jiang

doi dblp

OneLoc: Geo-Aware Generative Recommender Systems for Local Life Service.

Zhipeng Wei|Kuo Cai|Junda She|Jie Chen|Minghao Chen|Yang Zeng|Qiang Luo|Wencong Zeng|Ruiming Tang|Kun Gai|Guorui Zhou

doi dblp

DagFC: Dependency-Aware Fact-Checking via Claim-Constructed Knowledge Graphs and Large Language Models.

Zhouhui Wu|Zhuohua Yang|Jiaojiao Jiang|Shuiqiao Yang|Nan Sun

doi dblp

On-Device Large Language Models for Sequential Recommendation.

Xin Xia|Hongzhi Yin|Shane Culpepper

doi dblp

Adaptive and Reinforcement-Guided Contrastive Hypergraph Distillation.

Rongwei Xu|Zitai Qiu|Pengfei Ding|Yan Wang|Jia Wu|Amin Beheshti|Guanfeng Liu

doi dblp

MMQ: Multimodal Mixture-of-Quantization Tokenization for Semantic ID Generation and User Behavioral Adaptation.

Yi Xu|Moyu Zhang|Chenxuan Li|Zhihao Liao|Haibo Xing|Hao Deng|Jinxin Hu|Yu Zhang|Xiaoyi Zeng|Jing Zhang

doi dblp

Automated Information Flow Selection for Multi-scenario Multi-task Recommendation.

Chaohua Yang|Dugang Liu|Shiwei Li|Yuwen Fu|Xing Tang|Weihong Luo|Xiangyu Zhao|Xiuqiang He|Zhong Ming

doi dblp

Crowdsourced Collection and Visualization of Urban Mood via a Multisensory Interactive System.

Xinni Yang|Keisuke Otaki|Takayoshi Yoshimura|Hiroyuki Sakai|Da Li|Yukiko Kawai

doi dblp

Label-Free Contrastive Learning for Open-World Multimodal Social Event Detection.

Zhiwei Yang|Haimei Qin|Hao Peng|Xiaoyan Yu|Li Sun|Lei Jiang

doi dblp

Unlocking Scaling Law in Industrial Recommendation Systems with a Three-step Paradigm based Large User Model.

Bencheng Yan|Shilei Liu|Zhiyuan Zeng|Zihao Wang|Yizhen Zhang|Yujin Yuan|Langming Liu|Jiaqi Liu|Di Wang|Wenbo Su|Pengjie Wang|Jian Xu|Bo Zheng

doi dblp

Breaking Determinism: Stochastic Modeling for Reliable Off-Policy Evaluation in Ad Auctions.

Hongseon Yeom|Jaeyoul Shin|Soojin Min|Jeongmin Yoon|Seunghak Yu|Dongyeop Kang

doi dblp

Towards Multifaceted Graph Condensation in Discrete Realm.

Junda Ye|Zhongbao Zhang|Zhizhen He|Feiyang Wang|Li Sun

doi dblp

On Listwise Reranking for Corpus Feedback.

Soyoung Yoon|Jongho Kim|Daeyong Kwon|Avishek Anand|Seung-won Hwang

doi dblp

Geo-Personalization Bias in News Search: Analyzing Filter Bubbles in Search Engine Results with Multi-Perspective LLM Annotation.

Jaebeom You|Seung-Kyu Hong|Ling Liu|Kisung Lee|Hyuk-Yoon Kwon

doi dblp

From Data to Model in Bias: A Statistical Analysis of Political Bias in the C4 Corpus and Its Impact on LLMs.

Jaebeom You|Jaewon Lee|Sehun Lee|Hyuk-Yoon Kwon

doi dblp

Efficient Vector-Based Label Propagation for Massive Low-Rank Graphs.

Tengkai Yu|Venkatesh Srinivasan|Alex Thomo

doi dblp

ParaFormer: A Generalized PageRank Graph Transformer for Graph Representation Learning.

Chaohao Yuan|Zhenjie Song|Ercan Engin Kuruoglu|Kangfei Zhao|Yang Liu|Deli Zhao|Hong Cheng|Yu Rong

doi dblp

ARROW: Adaptive Reasoning for LLM-based Recommendation with Explainability.

Woo-Seong Yun|Min-Seong Kim|Yoon-Sik Cho

doi dblp

Urban Traffic Network Layout Optimization with Guided Discrete Diffusion Models.

Taeyoung Yun|Inhyuck Song|Woocheol Shin|Yujin Shin|Sungpil Woo|Sunhwan Lim|Jinkyoo Park

doi dblp

Conversational Entity Retrieval from a Knowledge Graph using Aggregation of Fine-grained Relevance Signals with Graph Convolutions and Self-Attention.

Mona Zamiri|Alexander Kotov

doi dblp

Knowledge-Graph Structure-Aware Conversational Entity Retrieval.

Mona Zamiri

doi dblp

Unlearning Inversion Attacks for Graph Neural Networks.

Jiahao Zhang|Yilong Wang|Zhiwei Zhang|Xiaorui Liu|Suhang Wang

doi dblp

Planning Before Retrieval: A Constrained Planner-Executor Framework for Reliable and Efficient KG-Augmented Reasoning.

Liangliang Zhang|Yao Ma

doi dblp

TOOL-CURE: Tool Selection via Curriculum-Enhanced Reinforcement Learning with Sample Screening for LLMs.

Jie Zhang|Dongsheng Bi|Tao Sun|Minghui Yang|Jian Wang|Yiwei Wang

doi dblp

MOON: Generative MLLM-based Multimodal Representation Learning for E-commerce Product Understanding.

Daoze Zhang|Chenghan Fu|Zhanheng Nie|Jianyu Liu|Wanxian Guan|Yuan Gao|Jun Song|Pengjie Wang|Jian Xu|Bo Zheng

doi dblp

Counteracting the Delayed Conversions in OCPC with Survival Analysis.

Leping Zhang|Chenxuan He|Xiao Zhang|Yichao Wang|Tengxiang Zhang|Zhenhua Dong|Jun Xu

doi dblp

REFLEX: Reinforcement Feedback Learning with Large Language Models for E-commerce Query Expansion.

Yipeng Zhang|Bowen Liu|Xiaoshuang Zhang|Aritra Mandal|Canran Xu|Zhe Wu

doi dblp

Privacy-preserved LLM Cascade via CoT-enhanced Policy Learning.

Kai Zhang|Congchao Wang|Liqian Peng|Alec Go|Xiaozhong Liu

doi dblp

RankID: A Unified Semantic ID Learned through Multi-Stage Semantic Alignment of Multimodal Features.

Jiangfan Zhang|Yinglong Xia|Jiang Li|Chen Yuan|Yonghuan Yang|Jun Xiao|Xiangjun Fan

doi dblp

Forget Me, Not My Friends! Object Unlearning Based on Scene Graphs.

Chenhan Zhang|Benjamin Zi Hao Zhao|Hassan Asghar|Weiqi Wang|An Liu|Dali Kaafar

doi dblp

DiffNBR: Spatio-Temporal Diffusion with Information Bottleneck for Next-Basket Recommendation.

Yichi Zhang|Cheng Zhang|Haifeng Sun|Qi Qi|Lejian Zhang|Jing Wang|Jingyu Wang

doi dblp

XLingLearn: Balancing Alignment and Robustness for Zero-Shot Cross-Lingual Transfer.

Wenwen Zhao|Li Li

doi dblp

Automated C Vulnerability Detection via Structure-Enhanced Graph Transformer and RBM.

Yibo Zhou|Xiaolong Xu|Haolong Xiang|Xuyun Zhang|Siyu Wu

doi dblp

Addressing Aggregation-Induced Information Loss in Graph Neural Networks.

Wenhao Zhu|Haonan Dong|Guojie Song|Zhengzhou Zhu

doi dblp

Mixture of Adaptive Retrieval Experts for Veracity Assessment in the Human-LLM Mixed Generation Paradigm.

Ruohan Zong|Yang Zhang|Zhenrui Yue|Dong Wang

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Proceedings of the Nineteenth ACM International Conference on Web Search and Data Mining, WSDM Companion 2026, Boise Centre, Boise, ID, USA, February 22-26, 2026

doi dblp

Proceedings of the Nineteenth ACM International Conference on Web Search and Data Mining, WSDM Companion 2026, Boise Centre, Boise, ID, USA, February 22-26, 2026

doi dblp

Report on the Workshop on Benchmarking Causal Models (CausalBench) 2026.

K. Selçuk Candan|Ruocheng Guo|Huan Liu|Paras Sheth

doi dblp

Agentic Orchestration for Adaptive Educational Recommendations: A Multi-Agent LLM Framework for Personalized Learning Pathways.

Naina Chaturvedi|Ananda Gunawardena

doi dblp

Causal Discovery for Biology: From Molecular to Disease Networks.

Lu Cheng

doi dblp

SPARK: Search Personalization via Agent-Driven Retrieval and Knowledge-sharing.

Gaurab Chhetri|Subasish Das|Tausif Islam Chowdhury

doi dblp

WISE: Web Information Satire and Fakeness Evaluation.

Gaurab Chhetri|Subasish Das|Tausif Islam Chowdhury

doi dblp

Preface to the WSDM 2026 Workshops Companion Volume.

Andrea D'Angelo|Fabio Aurelio D'Asaro|Francesco Gullo|Makoto P. Kato|Domenico Mandaglio|Edoardo Serra|Francesca Spezzano|Giovanni Stilo

doi dblp

Generative AI for Video Trailer Synthesis: From Extractive Heuristics to Autoregressive Creativity.

Abhishek Dharmaratnakar|Srivaths Ranganathan|Debanshu Das|Anushree Sinha

doi dblp

GenAI4SM: Generative AI for Streaming Media After-event Workshop Report.

Amit Goyal|Vladan Radosavljevic|Sudarshan Lamkhede|Praveen Chandar|Arnab Bhadury|Tao Ye

doi dblp

Why One Size Doesn't Fit All: Improving Music Discovery and Familiar Listening with Specialized Models.

Mahesh Jindal|Giuseppe Di Benedetto|Yannik Stein

doi dblp

Joint Evaluation : A Human + LLM + Multi-Agents Collaborative Framework for Comprehensive AI Safety (Jo.E).

Himanshu Joshi

doi dblp

CausalBench+: Causal-Informed Machine Learning Benchmarking.

Ahmet Kapkiç|Pratanu Mandal|Abhinav Gorantla|Shu Wan|Ertugrul Çoban|Huan Liu|K. Selcuk Candan

doi dblp

Cold-Start Audiobook Recommendation via Cross-Domain Sub-Tower Fusion.

Kirandeep Kaur|Amit Goyal

doi dblp

Fine-Tuning or In-Context Learning? Understanding Their Trade-offs in Misinformation Detection.

Han Kyul Kim|Shriniwas Nayak|Andy Skumanich

doi dblp

SciGraph-LLM: Automatic Knowledge Graph Construction from Scientific Papers.

Ivan P. Malashin|Igor S. Masich|Vadim Tynchenko|Aleksei S. Borodulin|Andrei P. Gantimurov|Vladimir A. Nelyub|Dmitry Martysyuk

doi dblp

Causal Reasoning in the Era of Large Language Models.

Raha Moraffah

doi dblp

ColdNet: Neural Causal Inference Under Extreme Imbalance and Sparsity.

Mahmudur Rahman|Sanskar Tewatia|Dhruv Garg

doi dblp

Multi-Agent Video Recommenders: Evolution, Patterns, and Open Challenges.

Srivaths Ranganathan|Abhishek Dharmaratnakar|Anushree Sinha|Debanshu Das

doi dblp

TRuST-M: Evaluating User Trust and Explainability in LLM-Based Web Moderation Systems.

Kamalakkannan Ravi|Hemant Surale|Jiann-Shiun Yuan

doi dblp

Local Fragments, Global Gains: Subgraph Counting using Graph Neural Networks.

Shubhajit Roy|Shrutimoy Das|Binita Maity|Anant Kumar|Anirban Dasgupta

doi dblp

Workshop Series: Ethics and Inclusive Collaboration.

Marcel Schack|Leonie Thieme|Tereza Iofciu

doi dblp

InsertRank: LLMs can reason over BM25 scores to Improve Listwise Reranking.

Rahul Seetharaman|Aman Bansal|Kaustubh D. Dhole

doi dblp

Selective LLM-Guided Regularization for Enhancing Recommendation Models.

Zhan Shi|Shanglin Yang

doi dblp

WEB&GRAPH 2026 Workshop Report: Workshop on Web & Graphs, Responsible Intelligence, and Social Media.

Matteo Spezialetti|Andrea D'Angelo|Francesca Ciccarelli|Giuseppe Costanzo|Daniele Fossemò|Filippo Mignosi

doi dblp

SAGE: Scalable Automatic Gating Ensemble for Confident Negative Harvesting in Fraud Detection.

Sudheer Tubati|Amit Goyal

doi dblp

Minimizing the Cost of Pagerank Fairness.

Spyridon Tzimas|Themistoklis Nikas|Evaggelia Pitoura|Panayiotis Tsaparas

doi dblp

From RAGs to rich parameters: Probing how language models utilize external knowledge over parametric information for factual queries.

Hitesh Wadhwa|Rahul Seetharaman|Somyaa Aggarwal|Reshmi Ghosh|Samyadeep Basu|Soundararajan Srinivasan|Wenlong Zhao|Shreyas Chaudhari|Ehsan Aghazedeh

doi dblp

AGP: Auto-Guided Prompt Refinement for Personalized Reranking in Recommender Systems.

Chen Wang|Mingdai Yang|Zhiwei Liu|Pan Li|Linsey Pang|Qingsong Wen|Philip S. Yu

doi dblp

A Causal Inference Framework for Actionable Fault Diagnosis and Mitigation.

Shuhan Yuan|Lu Zhang

doi dblp

HeteroMILE: a Multi-Level Graph Representation Learning framework for Heterogeneous Graphs.

Yue Zhang|Yuntian He|Saket Gurukar|Srinivasan Parthasarathy

doi dblp

VTCR: Multimodal Visual-Text Cross-Attention Reranking for Streaming Media and Creative Content Discovery.

Liping Zhang|Tracy King