1. The hyper-G network information system;Andrews;Journal of Universal Computer Science,1995
2. H. Ashman, A. Garrido, H. Oinas-Kukkonen, Hand-made and computed links, precomputed and dynamic links, in: Proceedings of Hypertext––Information Retrieval––Multimedia (HIM '97), Dortmund, 1997, pp. 191–208
3. A. Bapat, J. Wäsch, K. Aberer, J. Haake, An extensible object-oriented hypermedia engine, in: Proceedings of the Seventh ACM Conference on Hypertext (Hypertext '96), Washington, DC, 1996, pp. 203–214
4. The World Wide Web;Berners-Lee;Communications of the ACM,1994
5. The navigation problem reconsidered;Bernstein,1991