Journal Editorship

• Editor, International Journal of Distributed Sensor Networks (SCI-E Indexed), Hindawi (since 2010)
• Co-Guest Editor, Future Generation Computer Systems (SCI Indexed), Elsevier, 2009

Professional Organization

• Senior Member of IEEE (since 12/2007)
• Vice-Chair of ACM Hong Kong Chapter (2008-09)

Conference Organization

• TPC Vice-Chair, ICPADS 2012, Singapore, December 2012
• TPC Vice-Chair, ICDCS 2012, Macau, June 2012
• TPC Co-Chair, FlashDB '12, Busan, South Korea, April 2012
• TPC Co-Chair, CloudDB '10, Toronto, Canada, Oct 2010
• TPC Co-Chair, P2PIM '06, Hong Kong, May 2006
  
  
• Workshop Co-Chair, MDM 2013, Milan, Italy, June 2013
• Workshop Co-Chair, DASFAA 2011, Hong Kong, April 2011
• Publicity Co-Chair, MDM '09, Taipei, Taiwan, May 2009
• General Co-Chair, ACM-HK Student Research and Career Day, March 2009
• Seminar Co-Chair, MDM '08, Beijing, China, April 2008
• Publication Chair, MSN '06, Hong Kong, December 2006
• Organizing Committee Member, IEEE ICDM / WI / IAT 2006, Hong Kong, December 2006
• Local Arrangement Co-Chair, IEEE INFOCOM '04, Hong Kong, March 2004

Technical Program Committee Member

• ACM SIGMOD International Conference on Management of Data (SIGMOD): Demo Track, 2011
• IEEE International Conference on Data Engineering (ICDE): 2009, 2010, 2011, 2012
• ACM Conference on Information and Knowledge Management (CIKM): 2009, 2010
• International World Wide Web Conference (WWW): 2008, 2009
• IEEE International Conference on Mobile Data Management (MDM): 2004, 2006, 2008, 2009, 2010, 2011
• International Conference on Database Systems for Advanced Applications (DASFAA): 2010, 2011, 2012
• International Conference on Database- and Expert Systems Applications (DEXA): 2009, 2010
• International Conference on Web Information System Engineering (WISE): 2010, 2011
• International Conference on Web-Age Information Management (WAIM): 2006, 2007, 2009, 2010, 2011
• ACM Symposium on Applied Computing (SAC): 2003-2011
• IFIP international conference on Distributed Applications and Interoperable Systems (DAIS): 2009
• Asia-Pacific Web Conference (APWeb): 2007-2012
• ICDE Workshop on Uncertain Data Management: 2009
• IEEE International Conference on Sensor Networks, Ubiquitous, and Trustworthy Computing (SUTC): 2008
• International Conference on Embedded Software and Systems (ICESS): 2008
• VLDB Workshop on Data Management for Sensor Networks (DMSN): 2006, 2007, 2008, 2010, 2011
• ICDE Workshop on RFID Data Management (RFDM): 2008
• ICDE Workshop on Ambient Intelligence, Media, and Sensing (AIMS): 2007
• MDM Workshop on Privacy-Aware Location-based Mobile Services (PALMS): 2007, 2008, 2009
• SIGMOD PhD Workshop on Innovative Database Research (IDAR): 2007
• IFIP International Conference on Embedded and Ubiquitous Computing (EUC): 2006, 2007, 2008, 2009
• Annual International Conference on Mobile and Ubiquitous Systems: Computing, Networking and Services (MobiQuitous): 2007
• International Conference on Communications and Networking in China (CHINACOM): 2007, 2008
• SIWN International Conference on Complex Open Distributed Systems (CODS): 2007
• International Conference on Scalable Information Systems (INFOSCALE): 2007, 2009
• International workshop on DataBase Management and Application over Network (DBMAN): 2007
• ICDCS Workshop on Mobile Distributed Computing (MDC): 2004-2007
• Annual IEEE Consumer Communications and Networking Conference (CCNC): 2007
• ICDM Workshop on Spatial and Spatio-temporal Data Mining (SSTDM): 2006
• IEEE TENCON Conference: 2006
• International Workshop on INformation Processing over Evolving Networks (WINPEN): 2006
• International Symposium on Pervasive Computing and Applications: 2006
• International Conference on Mobile Ad-hoc and Sensor Networks (MSN): 2005
• IEEE International Conference on e-Business Engineering (ICEBE): 2005, 2011
• International Symposium on Parallel and Distributed Processing and Applications (ISPA): 2005
• International Conference on Real-Time and Embedded Computing Systems and Applications (RTCSA): 2005
• International Workshop on Web Based Collaboration (WBC): 2003, 2004, 2005
• International Human.Society@Internet Conference (HSI): 2003, 2005
• Annual IEEE Conference INFOCOM: 2004

Journal Reviewer/Referee

• IEEE Transactions on Knowledge and Data Engineering (TKDE)
• IEEE Transactions on Parallel and Distributed Systems (TPDS)
• IEEE Transactions on Mobile Computing (TMC)
• IEEE Transactions on Wireless Communications (TWC)
• IEEE Transactions on Vehicular Technology (TVT)
• ACM Transactions on Storage (TOS)
• Journal on Very Large Data Bases (VLDBJ)
• ACM Journal of Wireless Networks (WINET)
• World Wide Web Journal
• IEEE Personal Communications Magazine
• Information Systems
• Information Sciences
  
• Journal of Systems and Software
• Journal of Computer Science and Technology
• The Computer Journal