Program committee member, the Eighth Asia Pacific Web Conference (APweb 2006), January 2006, Harbin, China.
Organizing committee member, Asia Pacific Symposium on Information Visualization 2005 (APVIS 2005, the conference name now changes to “IEEE Pacific Visualization Symposium”), January 2005, Sydney, Australia.
Co-organizer, Network Analysis and Visualization taskforce of the ARC Research Network in Enterprise Information Infrastructure, 2005, Australia.
Program committee member, the Seventh Asia Pacific Web Conference (APweb 2005), March 2005, Shanghai, China.
Program committee member, First International Workshop on Conceptual Modeling for Geographic Information Systems (CoMoGIS 2004), in conjunction with International Conference on Conceptual Modeling (ER) 2004, November 2004, Shanghai, China.
Organizing committee member, 15th Australasian Workshop on Combinatorial Algorithms (AWOCA 2004), July 2004, Ballina, New South Wales, Australia.