— In this paper I show how ontologies support the student modelling through the semantic definition of concepts that depict a student. The aim is to outline the framework for bui...
The world-wide-web does not support referential integrity, i.e. dangling references do exist. This can be very annoying; in particular, if a user pays for some service in the form...
A system is presented to visualize information about city with a three-dimensional web user interface. We present a novel way to connect a VRML world to an information database. A...
This paper reports on an inquiry into the use of metadata, publishing formats, and markup in editormanaged open access journals. It builds on findings from a study of the document...
The business model of Web2.0 applications like FaceBook, Flickr, YouTube and their likes is based on an asymmetry: Users generate content, Web2.0 application providers own, (i), th...