- Theor. Comput. Sci. 292(2):547--571 (January 2003)
- Workshop on Social Navigation and Community-Based Adaptation Technologies at AH'2006, NCI, (2006)
- CHI '01: Proceedings of the SIGCHI conference on Human factors in computing systems, page 277--284. New York, NY, USA, ACM Press, (2001)
- CHI '05: Proceedings of the SIGCHI conference on Human factors in computing systems, page 131--140. New York, NY, USA, ACM Press, (2005)
- AVI '06: Proceedings of the working conference on Advanced visual interfaces, page 396--403. New York, NY, USA, ACM Press, (2006)
- CHI '99: Proceedings of the SIGCHI conference on Human factors in computing systems, page 481--488. New York, NY, USA, ACM Press, (1999)
- IV '04: Proceedings of the Information Visualisation, Eighth International Conference on IV'04, page 465--470. Washington, DC, USA, IEEE Computer Society, (2004)
- dg.o2005: Proceedings of the 2005 national conference on Digital government research, page 179--188. Digital Government Research Center, (2005)
- (2006)
- Visualization and Computer Graphics, IEEE Transactions on 12(5):981--988 (2006)
- page 59--64. (August 2003)
- J. Inf. Sci. 32(1):63--77 (February 2006)
- DL '98: Proceedings of the third ACM conference on Digital libraries, page 303--304. New York, NY, USA, ACM Press, (1998)
- (2008)
- INFOVIS '04: Proceedings of the IEEE Symposium on Information Visualization, page 9--16. Washington, DC, USA, IEEE Computer Society, (2004)
- CHI '08: Proceeding of the twenty-sixth annual SIGCHI conference on Human factors in computing systems, page 1085--1088. New York, NY, USA, ACM, (2008)
- CHI '08: Proceeding of the twenty-sixth annual SIGCHI conference on Human factors in computing systems, page 1217--1226. New York, NY, USA, ACM, (2008)
- CHI '08: Proceeding of the twenty-sixth annual SIGCHI conference on Human factors in computing systems, page 1237--1246. New York, NY, USA, ACM, (2008)
- CHI '08: Proceeding of the twenty-sixth annual SIGCHI conference on Human factors in computing systems, page 1493--1496. New York, NY, USA, ACM, (2008)
- CIKM '93: Proceedings of the second international conference on Information and knowledge management, page 11--20. New York, NY, USA, ACM, (1993)


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