Adamic, Lada A.: The social hyperlink. In: HT '09: Proceedings of the 20th ACM conference on Hypertext and hypermedia. New York, NY, USA : ACM, 2009. - ISBN 978-1-60558-486-7, S. 1--2

Morishima, Atsuyuki ; Nakamizo, Akiyoshi ; Iida, Toshinari ; Sugimoto, Shigeo ; Kitagawa, Hiroyuki: Bringing Your Dead Links Back to Life: A Comprehensive Approach and Lessons Learned. In: HT '09: Proceedings of the Twentieth ACM Conference on Hypertext and Hypermedia. New York, NY, USA : ACM, 2009

Chakrabarti, S. ; Dom, B. ; Gibson, D. ; Kleinberg, J. ; Raghavan, P. ; Rajagopalan, S.: Automatic resource compilation by analyzing hyperlink structure and associated text. In: Proceedings of the 7th World-wide web conference (WWW7),30(1-7), 1998, S. 65--74