user- IUI '04: Proceedings of the 9th international conference on Intelligent user interface, page 93--100. New York, NY, USA, ACM Press, (2004)
- IUI '04: Proceedings of the 9th international conference on Intelligent user interface, page 117--124. New York, NY, USA, ACM Press, (2004)
- interactions 4(6):42--61 (1997)
- AVI '06: Proceedings of the working conference on Advanced visual interfaces, page 201--208. New York, NY, USA, ACM Press, (2006)
- CHI '05: CHI '05 extended abstracts on Human factors in computing systems, page 2009--2012. New York, NY, USA, ACM Press, (2005)
- CHI '04: Proceedings of the SIGCHI conference on Human factors in computing systems, page 89--96. New York, NY, USA, ACM Press, (2004)
- IUI '07: Proceedings of the 12th international conference on Intelligent user interfaces, page 92--101. New York, NY, USA, ACM Press, (2007)
- CHI '06: Proceedings of the SIGCHI conference on Human Factors in computing systems, page 751--760. New York, NY, USA, ACM Press, (2006)
- UIST '06: Proceedings of the 19th annual ACM symposium on User interface software and technology, page 309--318. New York, NY, USA, ACM Press, (2006)
- IEEE Intelligent Systems 18(2):52--57 (March 2003)
- HCM '07: Proceedings of the international workshop on Human-centered multimedia, page 3--12. New York, NY, USA, ACM, (2007)
- CHI '08: Proceeding of the twenty-sixth annual SIGCHI conference on Human factors in computing systems, page 1247--1256. New York, NY, USA, ACM, (2008)
- CHI '08: Proceeding of the twenty-sixth annual SIGCHI conference on Human factors in computing systems, page 1267--1270. New York, NY, USA, ACM, (2008)
- CHI '08: Proceeding of the twenty-sixth annual SIGCHI conference on Human factors in computing systems, page 1271--1274. New York, NY, USA, ACM, (2008)
