Liwei Deng

2025

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Enhancing Multi-Behavior Sequential Recommenders with Behavior-Aware Regularization.
Yongfu Fan|Jin Chen|Yangzixuan Jiao|Ximu Zeng|Liwei Deng|Kai Zheng
Proceedings of the 34th ACM International Conference on Information and Knowledge Management, CIKM 2025, Seoul, Republic of Korea, November 10-14, 2025
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LIRA: A Learning-based Query-aware Partition Framework for Large-scale ANN Search.
Ximu Zeng|Liwei Deng|Penghao Chen|Xu Chen|Han Su|Kai Zheng
Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025- 2 May 2025

2023

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AdaTaskRec: An Adaptive Task Recommendation Framework in Spatial Crowdsourcing.
Yan Zhao|Liwei Deng|Kai Zheng
ACM Transactions on Information Systems (TOIS) 2023 Volume 41 Issue 4
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Adversarial Autoencoder for Unsupervised Time Series Anomaly Detection and Interpretation.
Xuanhao Chen|Liwei Deng|Yan Zhao|Kai Zheng
Proceedings of the Sixteenth ACM International Conference on Web Search and Data Mining, WSDM 2023, Singapore, 27 February 2023 - 3 March 2023.
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S2TUL: A Semi-Supervised Framework for Trajectory-User Linking.
Liwei Deng|Hao Sun|Yan Zhao|Shuncheng Liu|Kai Zheng
Proceedings of the Sixteenth ACM International Conference on Web Search and Data Mining, WSDM 2023, Singapore, 27 February 2023 - 3 March 2023.

2022

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Efficient and Effective Similar Subtrajectory Search: A Spatial-aware Comprehension Approach.
Liwei Deng|Hao Sun|Rui Sun|Yan Zhao|Han Su
ACM Transactions on Intelligent Systems and Technology (TIST) 2022 Volume 13 Issue 3
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HeGA: Heterogeneous Graph Aggregation Network for Trajectory Prediction in High-Density Traffic.
Shuncheng Liu|Xu Chen|Ziniu Wu|Liwei Deng|Han Su|Kai Zheng
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022
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Efficient Trajectory Similarity Computation with Contrastive Learning.
Liwei Deng|Yan Zhao|Zidan Fu|Hao Sun|Shuncheng Liu|Kai Zheng
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022
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Task Assignment with Federated Preference Learning in Spatial Crowdsourcing.
Jiaxin Liu|Liwei Deng|Hao Miao|Yan Zhao|Kai Zheng
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022
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Outlier Detection for Streaming Task Assignment in Crowdsourcing.
Yan Zhao|Xuanhao Chen|Liwei Deng|Tung Kieu|Chenjuan Guo|Bin Yang|Kai Zheng|Christian S. Jensen
WWW '22: The ACM Web Conference 2022, Virtual Event, Lyon, France, April 25 - 29, 2022

2021

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Community-based influence maximization in location-based social network.
Xuanhao Chen|Liwei Deng|Yan Zhao|Xiaofang Zhou|Kai Zheng
World Wide Web (WWW) 2021 Volume 24 Issue 6
doi dblp
PeriodicMove: Shift-aware Human Mobility Recovery with Graph Neural Network.
Hao Sun|Changjie Yang|Liwei Deng|Fan Zhou|Feiteng Huang|Kai Zheng
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021