Professional Services:

Editorships

• Associate Editor of ACM Transactions on Database Systems .

• Associate Editor of IEEE Transactions on Knowledge and Data Engineering.

• Editor of Journal of Computing Science and Engineering .

• Guest Editor of the Special Issue in Theoretical Computer Science (for COCOON 2000).

Conference Chairs

• Conference co-chair of DASFAA 09

• Conference Chair of the 1st Workshop on Management and mining Of UNcertain Data MOUND 2009 (in conjunction with ICDE 2009)

PC Chairs

• PC co-chair of ADC'08.

• PC co-chair of 6th International Workshop on Quality in Databases and Management of Uncertain Data QDB/MUD 2008 (in conjunction with VLDB 2008)

• PC co-chair of APweb/WAIM'07.

• PC Co-Chair of APWeb 2004.

• PC Co-Chair of COCOON'2000

• PC Chair of 4th Australian Theory Symposium, CATS'98.

Organization Chairs

• Tutorial Chair of ICDE 2009

• Demo Chair of DASFAA 2007

• Publicity Chair of APWeb 2003

• Local Chair of RIDE 1999

Steering Committees

• Steering Committee Chair of APWeb (2009-)

• Steering Committee Member of ADC (2007 --- )

• Steering Committee member of APWEB (04-08).

• Steering Committee Member of CATS (1998-2004).

Program Committees

• PC of SIGMOD: 2013, 2009, 2007
• PC of VLDB: 2014, 2013, 2012 (March Track), 2010, 2008, 1999
• PC of KDD: 2012

• PC of ICDE: 2013 (Track Chair), 2012, 2011, 2010, 2009, 2005
• PC of EDBT: 2013,2012
• PC of CIKM: 2012, 2011.

• PC of ICDM: 2012 (PC Vice Chair), 2006, 2005
• PC of ISAAC: 2007, 2003
• PC of 14th International Symposium on Graph Drawing (GD'06) , 2006.

• PC of COCOON: 2001, 2000, 1999
• PC of ICWE 2010.

• PC of SIG Spatial: 2012, 2013

• PC of TCS: 2002

• PC of IEEE Symposium on Information Visualization (InfoVis): 2002

• PC of DASFAA: 2012, 2011, 2010, 2008 , 2007
• PC of PAKDD: 2012, 2011, 2008, 2007 , 2006, 2004
• PC of ICDE PhD workshop: 2010
• PC of VLDB PhD workshop: 2010
• PC of FAW (Frontiers of Algorithmics Workshop): 2010
• PC of APWeb: 2012, 2010, 2008 , 2006, 2003
• PC of WAIM: 2012, 2011, 2010, 2006, 2005, 2003, 2002
• PC of COMAD: 2009
• PC of DEXA: 2010, 2009, 2008, 2007
• PC of WISE: 2009, 2008, 2007, 2006, 2005, 2004, 2003, 2002, 2000
• PC of DAWAK: 2008, 2007, 2006, 2003
• PC of ACSC: 2008, 2007, 2006, 2005
• PC of ADC: 2007 , 2004, 2003, 2002, 2001, 2000
• PC of CATS: 2004, 2003, 1999

• PC of ADMA: 2007, 2006, 2005
• PC of Internal Conf. on Computer and Information Technology: 2006, 2005
• PC of COMAD: 2009.

• PC of the 1st SIGSPATIAL ACM GIS 2009 International Workshop on Querying and Mining Uncertain Spatio-Temporal Data (QUeST'09).

• PC of the 1st International Workshop on Keyword Search on Structed Data. (Collocated with SIGMOD09).

• PC of the 1st CIKM International Workshop on Cloud Data Management (CloudDB) 2009.

• PC of the first ACM SIGKDD Workshop on Knowledge Discovery from Uncertain Data (U'09).

• PC of IEEE IRI2008 .

• PC of 2nd SIGMOD PhD Workshop on Innovative Database Research (IDAR2008) .

• PC of BIRD, 2008.

• PC of PDM'07.

• PC of The 2006 IFIP International Conference on Embedded And Ubiquitous Computing ( EUC 2006).

• PC of AIDM2006.

• PC of Mexican International Conference on Computer Science , 2005.

• PC of EMMA 2005 (International Workshop on Privacy Data ManagementWorkshop), 2005.

• PC of MMM2005, 2005

• PC of IADIS Virtual Multi Conference on Computer Science and Information Systems ( MCCSIS 2005)

• PC of iiwas2004 , 2004.

• PC of DBA (2004 and 2005) , 2004 and 2005

• PC of 1st Australian Data Mining Workshop, 2002.

• PC of VDB6

• PC of DMTCS'99.

• PC of 1999 International Symposium on Database, Web and Cooperative Systems.

• PC of 10th Austrasian Workshop on Combinatorial Algorithms, AWOCA'99.

• PC of RIDE'99.

• PC of PDCN'98.