S. Bechhofer, S. Harper, und D. Lunn. Lecture Notes in Computer Science : The 5th International Semantic Web Conference, Seite 101--115. (November 2006)
S. Harper, und Y. Yesilada. Handbook of Research on Personal Autonomy Technologies and Disability Informatics, 1, Kapitel 11, IGI Global, 1st Edition, (Mai 2011)
S. Harper. Proceedings of the First International Workshop on Understanding Web Evolution (WebEvolve2008): A prerequisite for Web Science., Seite 51-54. Southampton, UK, Web Science Research Initiative, (April 2008)