Wengen Li

Assistant professor

Dept. of Computer Sciences,
School of Electronics and Information, Tongji University
4800, CaoAn Road
Shanghai 201804

Email: lwengen at 163.com

Image: 2015-03/lwg.jpg

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B.sc., Tongji University

PhD, Tongji University & Hong Kong Polytechnic University

Postdoctoral Fellow, Hong Kong Polytechnic University

Assistant Professor, Tongji University 2019

Research Areas

Query Processing in Spatial Database


  • Zhao P, Liu X, Shi W, et al. An empirical study on the intra-urban goods movement patterns using logistics big data[J]. International Journal of Geographical Information Science, 2020, 34(6): 1089-1116.
  • Yang L, Yu X, Cao J, et al. A Novel Demand Dispatching Model for Autonomous On-Demand Services[J]. IEEE Transactions on Services Computing, 2019.
  • Li W, Cao J, Guan J, et al. A general framework for unmet demand prediction in on-demand transport services[J]. IEEE Transactions on Intelligent Transportation Systems, 2018, 20(8): 2820-2830.
  • Li W, Guan J, Lian X, et al. Probabilistic time-constrained paths search over uncertain road networks[J]. IEEE Transactions on Services Computing, 2016, 11(2): 399-414.
  • Guan J, Wang W, Li W, et al. A unified framework for predicting kpis of on-demand transport services[J]. IEEE access, 2018, 6: 32005-32014.
  • Wang Y, Cao J, He L, et al. Coupled sparse matrix factorization for response time prediction in logistics services[C]//Proceedings of the 2017 ACM on Conference on Information and Knowledge Management. 2017: 939-947.
  • Li W, Cao J, Guan J, et al. Efficient retrieval of bounded-cost informative routes[J]. IEEE Transactions on Knowledge and Data Engineering, 2017, 29(10): 2182-2196.
  • Wang Y, Cao J, Li W, et al. Exploring traffic congestion correlation from multiple data sources[J]. Pervasive and Mobile Computing, 2017, 41: 470-483.
  • XU W, LI W, ZHANG Y, et al. Probabilistic bichromatic reverse-kNN query on road network[J]. Journal of Computer Applications, 2017 (2): 7.
  • Li W, Cao J, Guan J, et al. Retrieving routes of interest over road networks[C]//International Conference on Web-Age Information Management. Springer, Cham, 2016: 109-123.
  • Wang Y, Cao J, Li W, et al. Mining traffic congestion correlation between road segments on GPS trajectories[C]//2016 IEEE International Conference on Smart Computing (SMARTCOMP). IEEE, 2016: 1-8.
  • ZHU H, LI W, ZHANG Y, et al. Group trip planning queries on road networks[J]. Journal of Computer Applications, 2015 (11): 29.
  • Wang W, Guan J, Li W, et al. GR-tree: An efficient index structure for GML[C]//2014 22nd International Conference on Geoinformatics. IEEE, 2014: 1-6.
  • Li W, Guan J, Zhou S. Efficiently evaluating range-constrained spatial keyword query on road networks[C]//International Conference on Database Systems for Advanced Applications. Springer, Berlin, Heidelberg, 2014: 283-295.
  • Li W, Wang W, Jin T. Evaluating spatial keyword queries under the mapreduce framework[C]//International Conference on Database Systems for Advanced Applications. Springer, Berlin, Heidelberg, 2012: 251-261.


  • 2014.01-now: Spatial keyword query over road networks (NSF, 61373036)
  • 2013.01-2013.12: Data-intensive geographic computing
  • 2011.06-2012.12: Spatial data management under cloud computing (Dawn Program of Shanghai, 09SG23)