Zhengdao Xu

Previous Status
Ph.D. Student(2003-09-01 — 2008-11-30)
E-mail
zhengdao AT cs DOT toronto DOT
Personal Home Page
http://www.cs.toronto.edu/~zhengdao/
Biography
Zhengdao Xu received his B.S. degree in the Department of Computer Science from the Zhejiang University, China, and his M.S. degree in the School of Information Technology and Engineering (SITE) from the University of Ottawa. He is now a Ph.D student in the Department of Computer Science, University of Toronto. His current research interests include location constraint processing and pervasive computing.
First Employment At
Amazon
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Publications
  • Processing Proximity Relations in Road Networks.
    Zhengdao Xu and Hans-Arno Jacobsen.
    In SIGMOD'2010, pages 243-254, June 2010.
    Tags: spatial query, location-based services, publish/subscribe
  • Expressive Location-based Continuous Query Evaluation With Binary Decision Diagrams.
    Zhengdao Xu and Hans-Arno Jacobsen.
    In IEEE International Conference on Data Engineering (ICDE), pages 1155-1158, March 2009.
    Acceptance rate: 27 %. Number of submissions: 554.
    Tags: algorithms, bdd, content-based matching, content-based publish/subscribe, event processing, topss, publish/subscribe, spatial query, location-based services
  • Evaluating Proximity Relations Under Uncertainty.
    Zhengdao Xu and Hans-Arno Jacobsen.
    In IEEE 23rd International Conference on Data Engineering, pages 876-885, April 2007. Istanbul, Turkey.
    Acceptance rate: 19 %. Number of submissions: 659.
  • Adaptive Location Constraint Processing.
    Zhengdao Xu and Hans-Arno Jacobsen.
    In 26th ACM SIGMOD Conference, pages 581-592, Beijing China, June 2007.
    Acceptance rate: 14%. Number of submissions: 480.
  • Demo: A Framework for Location Information Processing.
    Zhengdao Xu and Hans-Arno Jacobsen.
    In Mobile Data Management, pages 319-32, May 2005. ACM.
  • L-ToPSS: Constraint Processing System Supporting Efficient Location-based Services.
    Zhengdao Xu and Hans-Arno Jacobsen.
    In MobiSys Demo & Poster Abstract, Seattle, June 2005.
  • Location Constraint Processing Framework.
    Zhengdao Xu and Hans-Arno Jacobsen.
    In 6th International Mobile Data Management Conference (MDM), pages 319-321, Ayia Napa, Cyprus, May 2005.
  • Efficient Constraint Processing for Location-aware Computing.
    Zhengdao Xu and Hans-Arno Jacobsen.
    In 6th International Mobile Data Management Conference (MDM), pages 3-12, Ayia Napa, Cyprus, May 2005.
    Acceptance rate: 25%.
  • Efficient Constraint Processing for Highly Personalized Location Based Services.
    Zhengdao Xu and Hans-Arno Jacobsen.
    In 30th International Conference on Very Large Databases (VLDB), pages 1285-1288, Toronto, Canada, August 2004.