C. Ahlberg, und B. Shneiderman. CHI '94: Proceedings of the SIGCHI conference on Human factors in computing systems, Seite 313--317. New York, NY, USA, ACM Press, (1994)
F. Shipman, H. Hsieh, P. Maloor, und M. Moore. HYPERTEXT '01: Proceedings of the twelfth ACM conference on Hypertext and Hypermedia, Seite 113--122. New York, NY, USA, ACM Press, (2001)
J. Lee. SIGIR '97: Proceedings of the 20th annual international ACM SIGIR conference on Research and development in information retrieval, Seite 267--276. New York, NY, USA, ACM Press, (1997)
R. Manmatha, T. Rath, und F. Feng. SIGIR '01: Proceedings of the 24th annual international ACM SIGIR conference on Research and development in information retrieval, Seite 267--275. New York, NY, USA, ACM Press, (2001)
J. Carroll, C. Bizer, P. Hayes, und P. Stickler. WWW '05: Proceedings of the 14th international conference on World Wide Web, Seite 613--622. New York, NY, USA, ACM Press, (2005)