Proceedings of the Workshop on Virtual Documents, Hypertext Functionality and the Web Eighth International World Wide Web Conference Tuesday May 11, 1999 - Toronto, Canada Maria Milosavljevic Fabio Vitali Carolyn Watters (eds.) Technical Report UBLCS-99-10 May 1999 Department of Computer Science University of Bologna Mura Anteo Zamboni, 7 40127 Bologna (Italy)