[Invited Talk at Emory] Decision Analysis from Human-Generated Spatial-Temporal Data, Department of Computer Science, at Emory University, Oct 8, 2021, Online.
[Invited Talk at UMN] Decision Analysis from Human-Generated Spatial-Temporal Data, Department of Industrial and Systems Engineering (ISyE) at University of Minnesota, Twin Cities, Jan 2020, Minneapolis, MN, USA.
[Conference Talk] Imitation Learning from Human-Generated Spatial-Temporal Data (Vision Paper), GeoAI workshop colocated with the 26th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (SIGSPATIAL GIS 2019), Nov 4-8, 2019, Chicago, IL, USA.
[Conference Talk] Effective Recycling Planning for Dockless Sharing Bikes, 26th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (SIGSPATIAL GIS 2019), Nov 4-8, 2019, Chicago, IL, USA.
[Invited Talk at Tsinghua] Understand How People Make Decisions with Inverse Reinforcement Learning, at School of Software in Tsinghua University, Beijing, China, on Dec. 27th, 2018.
[Invited Talk at Guangzhou U.] Enabling Urban Intelligence with Big Data, in Guangzhou University, Guangdong, China, on Dec. 12th, 2018.
[Invited Talk at JD] Understand How People Make Decisions with Inverse Reinforcement Learning, in JD Urban Computing Lab, Beijing, China, on Aug. 2nd, 2018.
[Invited Talk at DiDi] Understand How People Make Decisions with Inverse Reinforcement Learning, in DiDi Chuxing Inc., Beijing, China, on Jul. 27th, 2018.
[Invited Talk at UMN] Making Sense of Big Data from Ride-Sharing Services, in Workshop on Sharing Economy at University of Minnesota, Twin Cities, on Nov. 3rd, 2017.
[Invited Talk at UMASS Amherst] CityLines: A Hybrid Hub-and-Spoke System for Urban Transit Services, in Civil Engineering Colloquium at University of Massachusetts, Amherst, on Mar. 30th, 2017.
[Invited Talk at UMASS Lowell] CityLines: A Hybrid Hub-and-Spoke System for Urban Transit Services, in CS Colloquium at University of Massachusetts, Lowell, on Mar. 27th, 2017.
[Invited Talk at UMN] CityLines: A Hybrid Hub-and-Spoke System for Urban Transit Services, in CS Colloquium at University of Minnesota, Twin Cities, on Feb. 6th, 2017.
[Invited Talk at MichiganTech] Managing and Making Sense of Big Data From Urban Networks, in ECE Colloquium at Michigan Technological University on Jan 27th, 2017.
[Invited Talk at W&M] Managing and Making Sense of Big Data From Urban Networks, in Computer Science Colloquium at College of William and Mary on Nov 18th, 2016.
[Invited Talk at PB] Managing and Making Sense of Big Data From Urban Networks, in Pitney Bowes, Inc, on Nov 18th, 2016.
[Conference Talk] Scalable User Assignment in Power Grids: A Data Driven Approach, 23rd ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (SIGSPATIAL GIS 2016), Nov 1, 2016, San Francisco, CA, USA.
[Conference Talk] Mining the Most Influential k-Location Set from Massive Trajectories, 23rd ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (SIGSPATIAL GIS 2016), Nov 1, 2016, San Francisco, CA, USA.
[Invited Talk at IBM] Managing and Making Sense of Big Data From Urban Networks, in IBM Watson Research on May 13th, 2016.
[Invited Talk at CAEIT] Managing and Making Sense of Big Data From Urban Networks at China Academy of Electronics and Information Technology. Beijing, China, Dec 8th, 2014.
[Conference Talk] Region Sampling and Estimation of GeoSocial Data with Dynamic Range Calibration. The 30th International Conference on Data Engineering (ICDE 2014). Chicago, IL, USA, March 31 - April 04, 2014.
[Conference Talk] Mutual or Unrequited Love: Identifying Stable Clusters in Social Networks with Uni- and Bi-directional Links. The 9th Workshop on Algorithms and Models for the Web Graph (LNCS WAW 2012). Dalhousie University in Halifax, Nova Scotia, Canada, June 22-23, 2012.
[Best Presentation Award] Digraph Laplacian and Degree of Asymmetry. Workshop on Computational Aspects of Social and Information Networks (CASIN 2011), Beijing, July 22nd, 2011
[Conference Talk] Random Walks on Digraphs, the Generalized Digraph Laplacian and the Degree of Asymmetry. The 7th Workshop on Algorithms and Models for the Web Graph (LNCS WAW 2010). Stanford University, CA, U.S.A. December 13-16, 2010.
[Conference Talk] Random Walks on Digraphs: A Theoretical Framework for Estimating Transmission Costs in Wireless Routing. The 29th IEEE Conference on Computer Communications (IEEE INFOCOM 2010), San Diego, CA, U.S.A. March 15-19, 2010.