user- Commun. ACM 45(9):42--49 (2002)
- Commun. ACM 49(4):41--46 (2006)
- (2008)A presentation from: UPA 2008 – The Many Faces of User Experience June 16-20, 2008, Baltimore, Maryland, USA http://www.usabilityprofessionals.org .
- (June 2008)
- SOSP '05: Proceedings of the twentieth ACM symposium on Operating systems principles, page 1--2. New York, NY, USA, ACM, (2005)
- WWW '03: Proceedings of the 12th international conference on World Wide Web, page 366--375. New York, NY, USA, ACM, (2003)
- Queue 4(4):30--36 (2006)
- WWW '07: Proceedings of the 16th international conference on World Wide Web, page 491--500. New York, NY, USA, ACM, (2007)
- IBM Syst. J. 43(3):476--489 (2004)
- IBM Syst. J. 43(3):490--515 (2004)
- IBM Syst. J. 43(3):455--475 (2004)
- IBM Syst. J. 43(3):451--454 (2004)
- SIGIR '07: Proceedings of the 30th annual international ACM SIGIR conference on Research and development in information retrieval, page 759--760. New York, NY, USA, ACM, (2007)
- SIGIR '07: Proceedings of the 30th annual international ACM SIGIR conference on Research and development in information retrieval, page 916--916. New York, NY, USA, ACM, (2007)
- SIGIR Forum 41(2):42--45 (2007)
- SIGIR '07: Proceedings of the 30th annual international ACM SIGIR conference on Research and development in information retrieval, page 857--858. New York, NY, USA, ACM, (2007)
- SIGIR '07: Proceedings of the 30th annual international ACM SIGIR conference on Research and development in information retrieval, page 912--912. New York, NY, USA, ACM, (2007)
- CIKM '05: Proceedings of the 14th ACM international conference on Information and knowledge management, page 460--468. New York, NY, USA, ACM, (2005)
- SIGIR '05: Proceedings of the 28th annual international ACM SIGIR conference on Research and development in information retrieval, page 441--448. New York, NY, USA, ACM, (2005)
- CIKM '06: Proceedings of the 15th ACM international conference on Information and knowledge management, page 493--502. New York, NY, USA, ACM, (2006)
