Adaptive Hypermedia and Adaptive Web-Based Systems Second International Conference, AH 2002 Malaga, Spain, May 29 - 31, 2002 Proceedings - De Bra, Paul; De Bra, Paul; Brusilovsky, Peter; Brusilovsky, Peter; Conejo, Ricardo; Conejo, Ricardo (Springer Berlin Heidelberg : Imprint: Springer, 2002)