author- Computers & Geosciences 37(4):410-425 (2011)
- Personal and Ubiquitous Computing 15(5):491-496 (2011)
- IEEE International Workshops on Enabling Technologies, page 176-177. Los Alamitos, CA, USA, IEEE Computer Society, (2007)
- The 3rd International Conference on Collaborative Computing: Networking, Applications and Worksharing CollaborateCom 2007., 07EX1828C, page 399--407. USA, IEEE Computer Science Press, (November 2007)
- In proceeding of the International Conference eChallenges e2008, (October 2009)
- ICEIS 4, page 95-101. (2009)
- IJCNN, page 4375-4381. IEEE, (2006)
- SAINT, page 118-125. IEEE Computer Society, (2008)
- CollaborateCom, page 399-407. IEEE, (2007)
- WETICE, page 176-177. IEEE Computer Society, (2007)
- ICEIS 4, page 227-231. (2005)
