Lei Chen

Publication Archive

Historical publications from the original homepage, retained as a backup. Current work is listed under research groups.

2022

  1. Hu-Fu: Efficient and Secure Spatial Queries over Data FederationYongxin Tong, Xuchen Pan, Yuxiang Zeng, Yexuan Shi, Chunbo Xue, Zimu Zhou, Xiaofei Zhang, Lei Chen, Yi Xu, Ke Xu, Weifeng LvProc. VLDB Endow. 15(6): 1159-1172 (2022)
  2. An I/O-Efficient Disk-based Graph System for Scalable Second-Order Random Walk of Large GraphsHongzheng Li, Yingxia Shao, Junping Du, Bin Cui, Lei ChenProc. VLDB Endow. 15(8): 1619-1631 (2022)
  3. SANCUS: Staleness-Aware Communication-Avoiding Full-Graph Decentralized Training in Large-Scale Graph Neural NetworksJingshu Peng, Zhao Chen, Yingxia Shao, Yanyan Shen, Lei Chen, Jiannong CaoProc. VLDB Endow. 15(9): 1937-1950 (2022)
  4. Migrating Social Event Recommendation Over MicroblogsXiangmin Zhou, Lei ChenProc. VLDB Endow. 15(11): 3213-3225 (2022)
  5. Hu-Fu: A Data Federation System for Secure Spatial QueriesXuchen Pan, Yongxin Tong, Chunbo Xue, Zimu Zhou, Junping Du, Yuxiang Zeng, Yexuan Shi, Xiaofei Zhang, Lei Chen, Yi Xu, Ke Xu, Weifeng LvProc. VLDB Endow. 15(12): 3582-3585 (2022)
  6. A Survey of Data-Driven and Knowledge-Aware eXplainable AIXiao-Hui Li, Caleb Chen Cao, Yuhan Shi, Wei Bai, Han Gao, Luyu Qiu, Cong Wang, Yuanyuan Gao, Shenjia Zhang, Xun Xue, Lei ChenIEEE Trans. Knowl. Data Eng. 34(1): 29-49 (2022)
  7. Maximizing the Utility in Location-Based Mobile AdvertisingPeng Cheng, Xiang Lian, Lei Chen, Siyuan LiuIEEE Trans. Knowl. Data Eng. 34(2): 776-788 (2022)
  8. Effective Similarity Search on Heterogeneous Networks: A Meta-Path Free ApproachYue Wang, Zhe Wang, Ziyuan Zhao, Zijian Li, Xun Jian, Hao Xin, Lei Chen, Jianchun Song, Zhenhong Chen, Meng ZhaoIEEE Trans. Knowl. Data Eng. 34(7): 3225-3240 (2022)
  9. Strict and Flexible Rule-Based Graph RepairingYurong Cheng, Lei Chen, Ye Yuan, Guoren Wang, Boyang Li, Fusheng JinIEEE Trans. Knowl. Data Eng. 34(7): 3521-3535 (2022)
  10. Cleaning Uncertain Data With Crowdsourcing - A General Model With Diverse Accuracy RatesChen Jason Zhang, Haodi Zhang, Weiteng Xie, Nan Liu, Qifan Li, Di Jiang, Peiguang Lin, Kaishun Wu, Lei ChenIEEE Trans. Knowl. Data Eng. 34(8): 3629-3642 (2022)
  11. Unified Route Planning for Shared Mobility: An Insertion-based FrameworkYongxin Tong, Yuxiang Zeng, Zimu Zhou, Lei Chen, Ke XuACM Trans. Database Syst. 47(1): 2:1-2:48 (2022)
  12. Privacy-preserving worker allocation in crowdsourcingLibin Zheng, Lei Chen, Peng ChengVLDB J. 31(4): 733-751 (2022)
  13. Hyperlink-induced Pre-training for Passage Retrieval in Open-domain Question AnsweringJiawei Zhou, Xiaoguang Li, Lifeng Shang, Lan Luo, Ke Zhan, Enrui Hu, Xinyu Zhang, Hao Jiang, Zhao Cao, Fan Yu, Xin Jiang, Qun Liu, Lei ChenACL (1) 2022: 7135-7146
  14. On Glocal Explainability of Graph Neural NetworksGe Lv, Lei Chen, Caleb Chen CaoDASFAA (1) 2022: 648-664
  15. Crowdsourced Fact Validation for Knowledge BasesLibin Zheng, Peng Cheng, Lei Chen, Jianxing Yu, Xuemin Lin, Jian YinICDE 2022: 938-950
  16. Black-box Adversarial Attack and Defense on Graph Neural NetworksHaoyang Li, Shimin Di, Zijian Li, Lei Chen, Jiannong CaoICDE 2022: 1017-1030
  17. GridTuner: Reinvestigate Grid Size Selection for Spatiotemporal Prediction ModelsJiabao Jin, Peng Cheng, Lei Chen, Xuemin Lin, Wenjie ZhangICDE 2022: 1193-1205
  18. Triple-Fact Retriever: An explainable reasoning retrieval model for multi-hop QA problemChengmin Wu, Enrui Hu, Ke Zhan, Lan Luo, Xinyu Zhang, Hao Jiang, Qirui Wang, Zhao Cao, Fan Yu, Lei ChenICDE 2022: 1206-1218
  19. Event Popularity Prediction Using Influential Hashtags from Social Media (Extended Abstract)Xi Chen, Xiangmin Zhou, Jeffrey Chan, Lei Chen, Timos Sellis, Yanchun ZhangICDE 2022: 1553-1554
  20. Efficient Approximate Range Aggregation over Large-scale Spatial Data Federation (Extended Abstract)Yexuan Shi, Yongxin Tong, Yuxiang Zeng, Zimu Zhou, Bolin Ding, Lei ChenICDE 2022: 1559-1560
  21. Lasagne: A Multi-Layer Graph Convolutional Network Framework via Node-aware Deep Architecture (Extended Abstract)Xupeng Miao, Wentao Zhang, Yingxia Shao, Bin Cui, Lei Chen, Ce Zhang, Jiawei JiangICDE 2022: 1561-1562
  22. Efficient k-clique Listing with Set Intersection SpeedupZhirong Yuan, You Peng, Peng Cheng, Li Han, Xuemin Lin, Lei Chen, Wenjie ZhangICDE 2022: 1955-1968
  23. Mixing Transactions with Arbitrary Values on BlockchainsWangze Ni, Peng Cheng, Lei ChenICDE 2022: 2602-2614
  24. Tower Bridge Net (TB-Net): Bidirectional Knowledge Graph Aware Embedding Propagation for Explainable Recommender SystemsShendi Wang, Haoyang Li, Caleb Chen Cao, Xiao-Hui Li, Ng Ngai Fai, Jianxin Liu, Xun Xue, Hu Song, Jinyu Li, Guangye Gu, Lei ChenICDE 2022: 3268-3279
  25. HAP: An Efficient Hamming Space Index Based on Augmented Pigeonhole PrincipleQiyu Liu, Yanyan Shen, Lei ChenSIGMOD Conference 2022: 917-930
  26. Faster and Better Solution to Embed Lp Metrics by Tree MetricsYuxiang Zeng, Yongxin Tong, Lei ChenSIGMOD Conference 2022: 2135-2148
  27. Leveraging Multi-view Inter-passage Interactions for Neural Document RankingChengzhen Fu, Enrui Hu, Letian Feng, Zhicheng Dou, Yantao Jia, Lei Chen, Fan Yu, Zhao CaoWSDM 2022: 298-306
  28. A New Class of Polynomial Activation Functions of Deep Learning for Precipitation ForecastingJiachuan Wang, Lei Chen, Charles Wang Wai NgWSDM 2022: 1025-1035
  29. Generating Perturbation-based Explanations with Robustness to Out-of-Distribution DataLuyu Qiu, Yi Yang, Caleb Chen Cao, Yueyuan Zheng, Hilary Hei Ting Ngai, Janet Hui-wen Hsiao, Lei ChenWWW 2022: 3594-3605