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Dr CHOW, Chi Yin Ted 周志賢

BA MPhil HKPolyU, MSc PhD Minnesota, MACM, SMIEEE

Assistant Professor

Dr CHOW, Chi Yin Ted

Contact Information

Office: AC1-Y6414
Phone: +(852)-3442-8679
Fax: +(852)-3442-0503
Email: chiychow@cityu.edu.hk
Web: Personal Homepage

Research Interests

  • Geographic Information Systems (GIS)
  • Spatial and Spatio-temporal Databases
  • Machine Learning
  • Urban Computing
  • Data Analytics and Management
  • Mobile Computing

Publications

Journal Papers

  • On Efficient and Scalable Support of Continuous Queries in Mobile Peer-to-Peer Environments [PDF]
    Chi-Yin Chow, Mohamed F. Mokbel, and Hong Va Leong.
    IEEE Transactions on Mobile Computing (IEEE TMC), Vol. 10, No. 10, pages 1473-1487, October 2011.

  • Query-Aware Location Anonymization for Road Networks [PDF]
    Chi-Yin Chow, Mohamed F. Mokbel, Jie Bao, and Xuan Liu.
    GeoInformatica, Springer, Vol. 15, No. 3, pages 571-607, July 2011.
  • Trajectory Privacy in Location-based Services and Data Publication [PDF] (Invited Article)
    Chi-Yin Chow and Mohamed F. Mokbel.
    ACM SIGKDD Explorations: Special Issue on Privacy in Mobility Data Mining, Vol. 13, No. 1, pages 19-29, July 2011.
  • Spatial Cloaking for Anonymous Location-based Services in Mobile Peer-to-Peer Environments [PDF]
    Chi-Yin Chow, Mohamed F. Mokbel, and Xuan Liu.
    GeoInformatica, Springer, Vol. 15, No. 2, pages 351-380, April 2011.
  • A Privacy-Preserving Location Monitoring System for Wireless Sensor Networks [PDF]
    Chi-Yin Chow, Mohamed F. Mokbel, and Tian He.
    IEEE Transactions on Mobile Computing (IEEE TMC), Vol. 10, No. 1, pages 94-107, January 2011.
  • Casper*: Query Processing for Location Services without Compromising Privacy [PDF]
    Chi-Yin Chow, Mohamed F. Mokbel, and Walid G. Aref.
    ACM Transactions on Database Systems (ACM TODS), Vol. 34, No. 4, pages 24:1-24:48, December 2009.
  • Scalable Processing of Snapshot and Continuous Nearest-Neighbor Queries over One-Dimensional Uncertain Data [PDF]
    Jinchuan Chen, Reynold Cheng, Mohamed F. Mokbel, and Chi-Yin Chow.
    The International Journal on Very Large Data Bases (VLDB Journal): Special Issue on Uncertain and Probabilistic Databases, Vol. 18, No. 5, pages 1219-1240, October 2009.
  • Privacy in Location-based Services: A System Architecture Perspective [PDF] (Invited Article)
    Chi-Yin Chow and Mohamed F. Mokbel.
    The SIGSPATIAL Special: Letters on Privacy in Location-based Services, Vol. 1, No. 2, pages 23-27, July 2009.
  • GroCoca: Group-based Peer-to-Peer Cooperative Caching in Mobile Environment [PDF]
    Chi-Yin Chow, Hong Va Leong, and Alvin T. S. Chan.
    The IEEE Journal on Selected Areas in Communications (J-SAC): Special Issue on Peer-to-Peer Communications and Applications, Vol. 25, No. 1, pages 179-191, January 2007.
  • Utilizing the Cache Space of Low-Activity Clients in a Mobile Cooperative Caching Environment
    Chi-Yin Chow, Hong Va Leong, and Alvin T. S. Chan.
    The International Journal of Wireless and Mobile Computing (IJWMC): Special Issue on Mobile Distributed Computing, InderScience, Accepted to appear.
  • Supporting Real-time Collaborative Learning with Web-based Groupware [PDF]
    Stephen C. F. Chan, Cane W. K. Leung, Cassidy Y. Yeung, Teddy C. Y. Chow, Edward W. C. Tsui, and Vincent T. Y. Ng.
    The Journal of Innovations in Education and Teaching International (IETI), Vol. 42, No. 4, pages 349-362, Routledge, Taylor & Francis Group, November 2005.

Conference/Workshop Papers

  • Dash: A Novel Search Engines for Database-Generated Dynamic Web Pages
    Ken Lee, Kanchan Bankar, Baihua Zheng, Chi-Yin Chow, and Honggang Wang.
    The 32nd IEEE International Conference on Distributed Computing Systems (ICDCS 2012).
  • GeoFeed: A Location-Aware News Feed System [PDF]
    Jie Bao, Mohamed F. Mokbel, and Chi-Yin Chow.
    The 28th IEEE International Conference on Data Engineering (ICDE 2012).
  • Efficient Evaluation of k-NN Queries Using Spatial Mashups [PDF]
    Detian Zhang, Chi-Yin Chow, Qing Li, Xinming Zhang, and Yinlong Xu.
    The 12th International Symposium on Spatial and Temporal Databases (SSTD 2011).
  • Towards Location-based Social Networking Services [PDF]
    Chi-Yin Chow, Jie Bao, and Mohamed F. Mokbel.
    The 2nd ACM SIGSPATIAL International Workshop on Location Based Social Networks (LBSN 2010).
  • Efficient Evaluation of k-Range Nearest Neighbor Queries in Road Networks [PDF]
    Jie Bao, Chi-Yin Chow, Mohamed F. Mokbel, and Wei-Shinn Ku.
    The 11th International Conference on Mobile Data Management (MDM 2010).
  • Aggregate Location Monitoring for Wireless Sensor Networks: A Histogram-based Approach [PDF] (Best Paper Award)
    Chi-Yin Chow, Mohamed F. Mokbel, and Tian He.
    The 10th International Conference on Mobile Data Management (MDM 2009).
  • Evaluation of Range Nearest-Neighbor Queries with Quality Guarantee [PDF]
    Chi-Yin Chow, Mohamed F. Mokbel, Joe Nap, and Suman Nath.
    The 11th International Symposium on Spatial and Temporal Databases (SSTD 2009).
  • Probabilistic Verifiers: Evaluating Constrained Nearest-Neighbor Queries over Uncertain Data [PDF]
    Reynold Cheng, Jinchuan Chen, Mohamed F. Mokbel, and Chi-Yin Chow.
    The 24th IEEE International Conference on Data Engineering (ICDE 2008).
  • Enabling Private Continuous Queries for Revealed User Locations [PDF]
    Chi-Yin Chow and Mohamed F. Mokbel.
    The 10th International Symposium on Spatial and Temporal Databases (SSTD 2007).
  • Hybrid Cooperative Caching in a Mobile Environment [PDF]
    Hong Va Leong and Chi-Yin Chow.
    The 1st International Conference on Ubiquitous Information Management and Communication (ICUIMC 2007).
  • The New Casper: Query Processing for Location Services without Compromising Privacy [Poster] (Invited Poster)
    Mohamed F. Mokbel, Chi-Yin Chow, and Walid G. Aref.
    The 8th Annual CERIAS Information Security Symposium (2007).
  • The New Casper: Query Processing for Location Services without Compromising Privacy [PDF]
    Mohamed F. Mokbel, Chi-Yin Chow, and Walid G. Aref.
    The 32nd International Conference on Very Large Data Bases (VLDB 2006).
  • A Peer-to-Peer Spatial Cloaking Algorithm for Anonymous Location-based Services [PDF]
    Chi-Yin Chow, Mohamed F. Mokbel, and Xuan Liu.
    The 14th ACM International Symposium on Advances in Geographic Information Systems (ACM-GIS 2006).
  • Challenges in Preserving Location Privacy in Peer-to-Peer Environments [PDF] (Invited Article)
    Mohamed F. Mokbel and Chi-Yin Chow.
    The International Workshop on Information Processing over Evolving Networks (WINPEN 2006), in conjunction with the 7th International Conference on Web Age Information Management (WAIM 2006 ).
  • Distributed Group-based Cooperative Caching in a Mobile Broadcast Environment [PDF] Chi-Yin Chow, Hong Va Leong, and Alvin T. S. Chan.
    The 6th International Conference on Mobile Data Management (MDM 2005).
  • Group-based Cooperative Cache Management for Mobile Clients in a Mobile Environment [PDF]
    Chi-Yin Chow, Hong Va Leong, and Alvin T. S. Chan.
    The 33rd International Conference on Parallel Processing (ICPP 2004).
  • Peer-to-Peer Cooperative Caching in a Hybrid Data Delivery Environment [PDF]
    Chi-Yin Chow, Hong Va Leong, and Alvin T. S. Chan.
    The 7th International Symposium on Parallel Architectures, Algorithms, and Networks (ISPAN 2004).
  • Cache Signatures for Peer-to-Peer Cooperative Caching in Mobile Environments [PDF]
    Chi-Yin Chow, Hong Va Leong, and Alvin T. S. Chan.
    The IEEE 18th International Conference on Advanced Information Networking and Applications (AINA 2004).
  • Peer-to-Peer Cooperative Caching in Mobile Environments [PDF]
    Chi-Yin Chow, Hong Va Leong, and Alvin T. S. Chan.
    The IEEE International Workshop on Mobile Distributed Computing (MDC 2004), in conjunction with the IEEE 24th International Conference on Distributed Computing Systems (ICDCS 2004).
  • Wireless Online Tutoring System (WOTS) with Collaborative Diagramming [PDF]
    Teddy C. Y. Chow, Edward W. C. Tsui, Stephen C. F. Chan, and Vincent T. Y. Ng.
    The IEEE 2nd International Conference on Advanced Learning Technologies (ICALT 2002).

System Demonstration Papers

  • TinyCasper: A Privacy-Preserving Aggregate Location Monitoring System in Wireless Sensor Networks [PDF] [Poster]
    Chi-Yin Chow, Mohamed F. Mokbel, and Tian He.
    The ACM International Conference on Management of Data (SIGMOD 2008). [Video]
  • The New Casper: A Privacy-Aware Location-Based Database Server [PDF] [Poster]
    Mohamed F. Mokbel, Chi-Yin Chow, and Walid G. Aref.
    The 23rd IEEE International Conference on Data Engineering (ICDE 2007). [Video]

Book Chapters

  • Privacy of Spatial Trajectories (Invited Article)
    Chi-Yin Chow and Mohamed F. Mokbel.
    In Yu Zheng and Xiaofang Zhou (Eds.), Computing with Spatial Trajectories, Springer, ISBN 978-1-4614-1628-9, 2011.
  • Spatial Cloaking Algorithms for Location Privacy [PDF]
    Chi-Yin Chow.
    In Shashi Shekhar and Hui Xiong (Eds.), Encyclopedia of Geographical Information Science, Springer, USA, ISBN 978-0-387-30858-6, 2008.
  • Peer-to-Peer Cooperative Caching in Mobile Environments [PDF]
    Chi-Yin Chow, Hong Va Leong, and Alvin T. S. Chan.
    In David Taniar (Ed.), Encyclopedia of Mobile Computing and Commerce, Idea Group Reference, USA, ISBN 978-1-5990-4002-8, April 2007.

Conference Proceedings

  • Arkady Zaslavsky, Panos K. Chrysanthis, Dik Lun Lee, Dipanjan Chakraborty, Vana Kalogeraki, Mohamed F. Mokbel, and Chi-Yin Chow (Eds.)
    IEEE Computer Society, USA, 342 pages (Volume 1) and 105 pages (Volume 2), ISBN: 978-0-7695-4436-6, June 2011.

Research Awards

  • Best Paper Award (2009)
    The 10th International Conference on Mobile Data Management (MDM 2009)
  • Excellence in Research Award (2007)
    Department of Computer Science and Engineering, University of Minnesota - Twin Cities
  • GAPSA Scholarly Travel Grants Award for ICDE 2007 (2007)
    University of Minnesota - Twin Cities
  • General Dynamics Fellowship Award (2006)
    Advanced Information Systems, General Dynamics Corporation
  • Academic Excellence Fellowship (2006)
    Department of Computer Science and Engineering, University of Minnesota - Twin Cities
  • Tuition Scholarship for Research Postgraduate Studies (2002-2004)
    The Hong Kong Polytechnic University
  • First Runner Up - PolyU-IDT Innovative Entrepreneur Contest (2003)
    IDT International February 10, 2012
  • Sonca Products Gold Medal Awards (2003)
    The Hong Kong Polytechnic University
  • Hong Kong Science and Technology Parks Corporation Scholarship (2001)
  • Chiap Hua Cheng's Foundation Scholarship (2000)