Jiafeng Hu

Phd Student
Email: jhu (at) cs.hku.hk








    Hi! I am Jiafeng Hu, a 4th year Ph.D student in the Department of Computer Science
, The University of Hong Kong, supervised by Prof. Reynold Cheng. I recieved my M.Eng. degree from Institute of Software, Chinese Academy of Sciences in 2014, supervised by Prof. Beihong Jin, and B.Eng. degree from Jilin University in 2011. Here is my CV.

Research interests
    Mobile and Pervasive computing, Spatio-Temporal Data Management, Graph Data Management

     May/2017 ~ Aug/2017 Google, Los Angeles, Brand Ads (With Dr. Josh Bao)
     Jun/2016 ~ Aug/2016 Google, Mountain View, Street View Group (With Dr. Chunhui Gu)
     Dec/2011 ~ May/2012 Microsoft Research Asia Web Search and Mining Group (With Dr. Yu Zheng)

Selected Awards

  • Hong Kong and China Gas Company Limited Postgraduate Prize 2017-18
  • SIGIR Travel Grant (2016)
  • Postgraduate Scholarship, The University of Hong Kong (2014~2018)
  • ACM-ICPC Asia: Silver Medal (2009/Harbin)
  • National Scholarship (2008 & 2013)
  1. Yixiang Fang, Zheng Wang, Reynold Cheng, Xiaodong Li, Siqiang Luo, Jiafeng Hu and Xiaojun Chen. On Spatial-Aware Community Search. In TKDE, 2018.
  2. Siqiang Luo, Ben Kao, Guoliang Li, Jiafeng Hu, Reynold Cheng, and Yudian Zheng. TOAIN: A Throughput Optimizing Adaptive Index for Answering Dynamic kNN Queries on Road Networks. In VLDB'18.
  3. Xiaodong Li, Reynold Cheng, Yixiang Fang, Jiafeng Hu and Silviu Maniu. Scalable Evaluation of k-NN Queries on Large Uncertain Graphs. In EDBT'18.
  4. Jiafeng Hu, Reynold Cheng, Zhipeng Huang, Yixiang Fang and Siqiang Luo. On Embedding Uncertain Graphs. In CIKM’17. [Paper][Slides]
  5. Siqiang Luo, Jiafeng Hu, Reynold Cheng, Jing Yan and Ben Kao. SEQ: Example-based Query for Spatial Objects (short paper). In CIKM’17. [Paper][Poster]
  6. Yixiang Fang, Reynold Cheng, Yankai Chen, Siqiang Luo and Jiafeng Hu. Effective and Efficient Attributed Community Search. In VLDBJ, 2017. [Paper]
  7. Jiafeng Hu, Xiaowei Wu, Reynold Cheng, Siqiang Luo and Yixiang Fang. On Minimal Steiner Maximum-Connected Subgraph Queries. In IEEE Transactions on Knowledge and Data Engineering (TKDE), 2017.[Paper]
  8. Yixiang Fang, Reynold Cheng, Siqiang Luo, Jiafeng Hu and Kai Huang. C-Explorer: Browsing Communities in Large Graphs. In VLDB’17. [Demo][Paper]
  9. Yixiang Fang, Reynold Cheng, Xiaodong Li, Siqiang Luo and Jiafeng Hu. Effective Community Search over Large Spatial Graphs. In VLDB’17.[Paper][Project Website]
  10. Jiafeng Hu, Xiaowei Wu, Reynold Cheng, Siqiang Luo and Yixiang Fang. Querying Minimal Steiner Maximum-Connected Subgraphs in Large Graphs. In CIKM’16.[Paper][Slides]
  11. Yixiang Fang, Reynold Cheng, Siqiang Luo, and Jiafeng Hu. Effective Community Search for Large Attributed Graphs. In VLDB’16.[Paper][Project Website]
  12. Fusang Zhang, Beihong Jin, Zhaoyang Wang, Hai Liu, Jiafeng Hu and Lifeng Zhang. On Geocasting over Urban Bus based Networks by Mining Trajectories. IEEE Transactions on Intelligent Transportation Systems, 2016.[Paper]
  13. Jiafeng Hu, Beihong Jin, Fusang Zhang, Zhaoyang Wang and Yuwei Yang. Towards Connectivity-Aware Deployment and Adjustment for Roadside Units. International Journal of Autonomous and Adaptive Communications Systems, 9, no. 1-2 (2016):119-135.[Paper]
  14. Jiafeng Hu, Reynold Cheng, Dingming Wu and Beihong Jin. Efficient Top-k Subscription Matching for Location-Aware Publish/Subscribe. In SSTD15. [Paper]
  15. Beihong Jin, Wei Zhuo, Jiafeng Hu, Haibiao Chen and Yuwei Yang, Specifying and Detecting Spatio-Temporal Events in the Internet of Things, Decision Support Systems (DSS) 55 (2013) [Paper]
  16. Sanjay Chawla, Yu Zheng and Jiafeng Hu, Inferring the Root Cause in Road Traffic Anomalies, IEEE International Conference on Data Mining (ICDM'2012)[Paper]
  17. Beihong Jin and Jiafeng Hu, Towards Scalable Processing for a Large-Scale Ride Sharing Service, UIC Workshops 2012, Japan. [Paper]
  18. Jiafeng Hu, Beihong Jin, Wei Zhuo, Haibiao Chen and Lifeng Zhang Spatial Event Detection and Optimization. Journal of Software, 2011,22(Suppl.(2)):147-156. (In Chinese) [Paper]
  19. Jiafeng Hu, Beihong Jin, Haibiao Chen. On Speed-up Strategies for Detecting Spatial Events. The 7th Joint Conference on Harmonious Human Machine Environment (HHME2011), Beijing China, Sep. 2011.(In Chinese)

Professional Activities

  • Invited Talk:
    • East China Normal University (Host: Prof. Xiaoling Wang), June 2018.
  • External Reviewer:
    • Conference: VLDB'17/16, SIGMOD'17, ICDE'16, EDBT'16, KDD'17/16/15, SIGSPATIAL GIS'16/15, CIKM'18/17/16/15, DASFAA'17, BIGDATA'16/15, SSTD'17/15, WAIM'15
    • Journal: TKDD'18, VLDB Journal'15, Information Systems'16/14
  •   Last modified in June 2018