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

doi dblp
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

2022

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Sequential-Knowledge-Aware Next POI Recommendation: A Meta-Learning Approach
Yue Cui | Hao Sun | Yan Zhao | Hongzhi Yin | Kai Zheng
2022 Volume 40 Issue 2

doi dblp
Efficient and Effective Similar Subtrajectory Search: A Spatial-aware Comprehension Approach
Liwei Deng | Hao Sun | Rui Sun | Yan Zhao | Han Su
2022 Volume 13 Issue 3

doi dblp
Efficient Learning with Pseudo Labels for Query Cost Estimation
Shuncheng Liu | Xu Chen | Yan Zhao | Jin Chen | Rui Zhou | Kai Zheng
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022

doi dblp
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

doi dblp
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

doi dblp
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

doi dblp
Community-based influence maximization in location-based social network
Xuanhao Chen | Liwei Deng | Yan Zhao | Xiaofang Zhou | Kai Zheng
2021 Volume 24 Issue 6

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Task Allocation with Geographic Partition in Spatial Crowdsourcing
Guanyu Ye | Yan Zhao | Xuanhao Chen | Kai Zheng
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021

doi dblp
Task Assignment with Worker Churn Prediction in Spatial Crowdsourcing
Ziwei Wang | Yan Zhao | Xuanhao Chen | Kai Zheng
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021

2020

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Temporal paths discovery with multiple constraints in attributed dynamic graphs
Anqi Zhao | Guanfeng Liu | Bolong Zheng | Yan Zhao | Kai Zheng
2020 Volume 23 Issue 1

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Multi-modal Knowledge Graphs for Recommender Systems
Rui Sun | Xuezhi Cao | Yan Zhao | Junchen Wan | Kun Zhou | Fuzheng Zhang | Zhongyuan Wang | Kai Zheng
CIKM '20: The 29th ACM International Conference on Information and Knowledge Management, Virtual Event, Ireland, October 19-23, 2020

2017

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Destination-aware Task Assignment in Spatial Crowdsourcing
Yan Zhao | Yang Li | Yu Wang | Han Su | Kai Zheng
Proceedings of the 2017 ACM on Conference on Information and Knowledge Management, CIKM 2017, Singapore, November 06 - 10, 2017