1. Sixth International Conference on Digital Information Management (ICDIM 2011), Melbourne, Australia, September 2011.

2. The Third International Conference on 'Networked Digital Technologies' (NDT 2011), University of Macau, China, July 11-13, 2011.

3. The Fourth International Conference on the Applications of Digital Information and Web Technologies (ICADIWT 2011), University of Wisconsin at Stevens Point, USA, August 04-06, 2011.

4. The 2011 International Conference on Integrated Information Technology (InTech 2011) , University of Sao Carlos, Brazil, March 02-04, 2011.