Shazia Sadiq

2026

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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
ACM Transactions on Information Systems (TOIS) 2026 Volume 44 Issue 2
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DriftNavi: Talk through Your Data Drift with LLMs.
Zixin Wang|Junliang Yu|Tong Chen|Yadan Luo|Shazia Sadiq
Companion Proceedings of the ACM Web Conference 2026, WWW Companion 2026, Dubai, United Arab Emirates, 29 June 2026 - 3 July 2026

2025

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ID-Free Not Risk-Free: LLM-Powered Agents Unveil Risks in ID-Free Recommender Systems.
Zongwei Wang|Min Gao|Junliang Yu|Xinyi Gao|Quoc Viet Hung Nguyen|Shazia Sadiq|Hongzhi Yin
Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025
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Continual Text-to-Video Retrieval with Frame Fusion and Task-Aware Routing.
Zecheng Zhao|Zhi Chen|Zi Huang|Shazia Sadiq|Tong Chen
Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025
doi dblp
Towards Secure and Robust Recommender Systems: A Data-Centric Perspective.
Zongwei Wang|Junliang Yu|Tong Chen|Hongzhi Yin|Shazia Sadiq|Min Gao
Proceedings of the Eighteenth ACM International Conference on Web Search and Data Mining, WSDM 2025, Hannover, Germany, March 10-14, 2025
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Let the Augmentation Path Speak.
Daomin Ji|Hui Luo|Zhifeng Bao|Shazia Sadiq|J. Shane Culpepper
Companion Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025 - 2 May 2025
doi dblp
Are Large Language Models Good Data Preprocessors?
Elyas Meguellati|Nardiena A. Pratama|Shazia Sadiq|Gianluca Demartini
Companion Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025 - 2 May 2025
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BiasNavi: LLM-Empowered Data Bias Management.
Junliang Yu|Jay Thai Duong Huynh|Shaoyang Fan|Gianluca Demartini|Tong Chen|Hongzhi Yin|Shazia Sadiq
Companion Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025 - 2 May 2025

2024

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On the Impact of Showing Evidence from Peers in Crowdsourced Truthfulness Assessments.
Jiechen Xu|Lei Han|Shazia Sadiq|Gianluca Demartini
ACM Transactions on Information Systems (TOIS) 2024 Volume 42 Issue 3
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How Good are LLMs in Generating Personalized Advertisements?
Elyas Meguellati|Lei Han|Abraham Bernstein|Shazia Sadiq|Gianluca Demartini
Companion Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, Singapore, May 13-17, 2024

2023

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On the role of human and machine metadata in relevance judgment tasks.
Jiechen Xu|Lei Han|Shazia Sadiq|Gianluca Demartini
Information Processing and Management 2023 Volume 60 Issue 2
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A Data-Driven Analysis of Behaviors in Data Curation Processes.
Lei Han|Tianwa Chen|Gianluca Demartini|Marta Indulska|Shazia Sadiq
ACM Transactions on Information Systems (TOIS) 2023 Volume 41 Issue 3
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Human-in-the-loop Regular Expression Extraction for Single Column Format Inconsistency.
Shaochen Yu|Lei Han|Marta Indulska|Shazia Sadiq|Gianluca Demartini
Proceedings of the ACM Web Conference 2023, WWW 2023, Austin, TX, USA, 30 April 2023 - 4 May 2023

2022

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Report on the 1st Workshop on Human-in-the-Loop Data Curation (HIL-DC 2022) at CIKM 2022.
Gianluca Demartini|Jie Yang|Shazia Sadiq
SIGIR Forum 2022 Volume 56 Issue 2
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Workshop on Human-in-the-loop Data Curation.
Gianluca Demartini|Jie Yang|Shazia Sadiq
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022
doi dblp
Does Evidence from Peers Help Crowd Workers in Assessing Truthfulness?
Jiechen Xu|Lei Han|Shaoyang Fan|Shazia Sadiq|Gianluca Demartini
Companion of The Web Conference 2022, Virtual Event / Lyon, France, April 25 - 29, 2022

2020

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Modelling User Behavior Dynamics with Embeddings.
Lei Han|Alessandro Checco|Djellel Eddine Difallah|Gianluca Demartini|Shazia Sadiq
CIKM '20: The 29th ACM International Conference on Information and Knowledge Management, Virtual Event, Ireland, October 19-23, 2020
doi dblp
On Understanding Data Worker Interaction Behaviors.
Lei Han|Tianwa Chen|Gianluca Demartini|Marta Indulska|Shazia Sadiq
Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020

2019

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Leveraging multi-aspect time-related influence in location recommendation.
Saeid Hosseini|Hongzhi Yin|Xiaofang Zhou|Shazia Sadiq|Mohammad Reza Kangavari|Ngai-Man Cheung
World Wide Web (WWW) 2019 Volume 22 Issue 3

2017

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ST-SAGE: A Spatial-Temporal Sparse Additive Generative Model for Spatial Item Recommendation.
Weiqing Wang|Hongzhi Yin|Ling Chen|Yizhou Sun|Shazia Sadiq|Xiaofang Zhou
ACM Transactions on Intelligent Systems and Technology (TIST) 2017 Volume 8 Issue 3

2016

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A Spatial-Temporal Topic Model for the Semantic Annotation of POIs in LBSNs.
Tieke He|Hongzhi Yin|Zhenyu Chen|Xiaofang Zhou|Shazia Sadiq|Bin Luo
ACM Transactions on Intelligent Systems and Technology (TIST) 2016 Volume 8 Issue 1
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Joint Modeling of User Check-in Behaviors for Real-time Point-of-Interest Recommendation.
Hongzhi Yin|Bin Cui|Xiaofang Zhou|Weiqing Wang|Zi Huang|Shazia Sadiq
ACM Transactions on Information Systems (TOIS) 2016 Volume 35 Issue 2

2015

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Joint Modeling of User Check-in Behaviors for Point-of-Interest Recommendation.
Hongzhi Yin|Xiaofang Zhou|Yingxia Shao|Hao Wang|Shazia Sadiq
Proceedings of the 24th ACM International Conference on Information and Knowledge Management, CIKM 2015, Melbourne, VIC, Australia, October 19 - 23, 2015
doi dblp
Making Sense of Spatial Trajectories.
Xiaofang Zhou|Kai Zheng|Hoyoung Jeung|Jiajie Xu|Shazia Sadiq
Proceedings of the 24th ACM International Conference on Information and Knowledge Management, CIKM 2015, Melbourne, VIC, Australia, October 19 - 23, 2015

2014

doi dblp
A web-based approach to data imputation.
Zhixu Li|Mohamed A. Sharaf|Laurianne Sitbon|Shazia Sadiq|Marta Indulska|Xiaofang Zhou
World Wide Web (WWW) 2014 Volume 17 Issue 5
doi dblp
SharkDB: An In-Memory Column-Oriented Trajectory Storage.
Haozhou Wang|Kai Zheng|Jiajie Xu|Bolong Zheng|Xiaofang Zhou|Shazia Sadiq
Proceedings of the 23rd ACM International Conference on Conference on Information and Knowledge Management, CIKM 2014, Shanghai, China, November 3-7, 2014

2012

doi dblp
Efficient provenance storage for relational queries.
Zhifeng Bao|Henning Köhler|Liwei Wang|Xiaofang Zhou|Shazia Sadiq
21st ACM International Conference on Information and Knowledge Management, CIKM'12, Maui, HI, USA, October 29 - November 02, 2012