Sheng Wang @ RMIT University

Final Year Ph.D. Candidate

Computer Science, School of Science, RMIT University

Room 14.10.32, Melbourne 3001 Victoria, Australia

Resume, Linkedin

Research Statement


  • 2018-7-20: Our search engine-Torch is opensource now, check the System, Paper, Code!
  • 2018-7-11: I give a talk of our latest paper at SIGIR 2018, check the slides.
  • 2018-6-21: I get three TIGER/BDDA Group Top Student Paper Awards for my SIGIR, WSDM, TKDE papers, check the tweets.

Research Interests

  • Trajectory Search and Exploration, Trip Planning, Intelligent Transportation System
  • Spatial Keyword Query, Information Retrieval
  • Time Series Data Analytics


Ongoing Projects

  • T4: an intelligent traffic analytic system built from Torch and enriched with traffic visualisation, prediction, altering and light controlling.
  • Torch: a search engine for trajectory analytics. Play with our online system.
  • TISP: a trip planning system by an integrated search paradigm. Play with our online system, or Watch video.
  • RkNNT: a tool to cluster those potential passengers for a route in an existing bus network based on transition data. Check our datasets.

Publications (DBLP, Google Scholar)

  1. Sheng Wang, Zhifeng Bao, J. Shane Culpepper, Zizhe Xie, Qizhi Liu, Xiaolin Qin. Torch: A Search Engine for Trajectory Data. ACM SIGIR 2018, pp 535-544, Ann Arbor Michigan, U.S.A. (ERA/CORE A*). Paper, Slides, Code, System. New
  2. Sheng Wang, Mingzhao Li, Yipeng Zhang, Zhifeng Bao, David Alexander Tedjopurnomoy, Xiaolin Qin. Trip Planning by an Integrated Search Paradigm. ACM SIGMOD 2018, pp 1673-1676, Demo, Houston, U.S.A. (ERA/CORE A*). Paper, Poster
  3. Sheng Wang, Zhifeng Bao, J. Shane Culpepper, Timos Sellis, and Gao Cong. Reverse k Nearest Neighbor Search over Trajectories (Extended abstract). IEEE ICDE 2018, pp 1785-1786, Paris, France. (ERA/CORE A*) Poster
  4. Sheng Wang, Zhifeng Bao, Shixun Huang, and Rui Zhang. A Unified Processing Paradigm for Interactive Location-based Web Search. ACM WSDM 2018, pp 601-609, Los Angeles, U.S.A. (ERA/CORE A*) Paper
  5. Sheng Wang, Zhifeng Bao, J. Shane Culpepper, Timos Sellis, and Gao Cong. Reverse k Nearest Neighbor Search over Trajectories. IEEE Transactions on Knowledge and Data Engineering (TKDE), 30(4): pp 757-771, 2018. (ERA/CORE A) Paper
  6. Munkh-Erdene Yadamjav, Sheng Wang, Zhifeng Bao, and Bang Zhang. Boosting Point-Based Trajectory Search with Quad-Tree. ADC 2017, pp 29-41, Brisbane, Australia. (Best Paper Award) Paper
  7. Sheng Wang, Zhifeng Bao, J. Shane Culpepper, Timos Sellis, Mark Sanderson, and Xiaolin Qin. Answering Top-k Exemplar Trajectory Queries. IEEE ICDE 2017, pp 597-608, San Diego, U.S.A.(ERA/CORE A*). Paper, Slides
  8. Sheng Wang, Xiaolin Qin, Zhifeng Bao, and Bohan Li. Tide-tree: a Self-tuning Indexing Scheme for Hybrid Storage System. World Wide Web Journal, 2017, 20 (5), 1017-1045.(ERA/CORE A).
  9. Sheng Wang, Zhifeng Bao, J. Shane Culpepper, Timos Sellis, and Mark Sanderson, Munkh-Erdene Yadamjav. Interactive Trip Planning Using Activity Trajectories. ADCS 2016, pp 77-80, Caulfield, Australia. Paper
  10. Sheng Wang, Xiaolin Qin, Yao Shen, Bohan Li, and Wenhao Shi . Research on Durable CSB+-Tree Indexing Technology. Journal of Frontiers of Computer Science and Technology, 2015, 9(2): 182-192.
  11. Shen Yao, Xiaolin Qin, Sheng Wang, and Ning Wang. An Energy Management Strategy on IaaS. Journal of Computational Information Systems, 2014, 10(17): 7369-7381.
  12. Shen Yao, Ping Lu, Xiaolin Qin, Yuming Qian, and Sheng Wang. "Efficient Query Algorithm of Coallocation-Parallel-Hash-Join in the Cloud Data Center." In International Conference on Cloud Computing and Security, 2015, pp. 306-320, Nanjing, China. (Best Paper Award)
  13. Wenhao Shi, Guohua Jiang, Xiaolin Qin, Sheng Wang. Access control model research for HDFS based on user trust value. Journal of Frontiers of Computer Science and Technology, 2016, 10(1):25-35.

Selected Awards


  • 2014, SI, "Durable Main-memory Indexing Technology under Cloud Environment", SJZZ_043, Funding of Jiangsu Innovation Program for Graduate Education, RMB10000.

Professional Services

  • PC Member: ADC 2019, ER 2018 (demo track), APWeb-WAIM 2018 (demo track).
  • External reviewer: SIGMOD 2018, SIGIR 2018, 2017, 2016, VLDB 2018, 2017, 2016, ICDE 2018, 2017, CIKM 2017.
  • Membership: ACM Student Member (SIGIR, SIGMOD), IEEE Student Member.
  • Volunteer: IJCAI 2017.


  • 2018 Semester 2: Co-Lecturer, Big Data Processing (COSC2637).
  • 2018 Semester 1: Tutor, Big Data Management (COSC2636). Course Experience Survey.
  • 2017 Semester 2: Marking Assistant, Java Programming 1(COSC2135OUA) .
  • 2017 Semester 1: Tutor, Big Data Infrastructure (COSC2636), Course Experience Survey.
  • 2016 Semester 2: Marking Assistant, Java Programming 1(COSC2135OUA).

Student Co-supervision

  • Yunzhuan Shen (Master Minor Thesis@RMIT University)

Invited talks


  • Body building
  • Marathon
  • Swimming (Prefer Freestyle, learnt from a video of Yang Sun)

Believed Quotes

  • "The spirit of independence, freedom of thought!" by Chen Yinke