G. Mbipom, and S. Harper. The proceedings of the 13th international ACM SIGACCESS conference on Computers and accessibility, page 147--154. New York, NY, USA, ACM, (October 2011)
S. Bechhofer, S. Harper, and D. Lunn. Lecture Notes in Computer Science : The 5th International Semantic Web Conference, page 101--115. (November 2006)
S. Harper, and Y. Yesilada. Handbook of Research on Personal Autonomy Technologies and Disability Informatics, 1, chapter 11, IGI Global, 1st edition, (May 2011)
S. Harper. Invited Talk -- Laboratory of Human-Computer Interaction for Special Needs, University of the Basque Country, Donostia - San Sebastian, Spain. http://www.simonharper.info/publications/Harper2009nr.pdf, (November 2009)
S. Harper, and Y. Yesilada. Invited Tutorial -- 9th International Conference on Web Engineering http://icwe2009.webengineering.org/TutorialAccepted.aspx\#HarperYesilada, (June 2009)