Generating tool specific schemata and configuration information for OLAP database tools from conceptual graphical models is an important prerequisite for a comprehensive tool supp...
Abstract. We propose a conceptual model for semantic search and implement it in security access control. The model provides security access control to extend the search capabilitie...
Existing Information Visualization models provide insufficient support to visualization programmers in creating applications. They either broad and taxonomy based, or narrowly fo...
Abstract. This paper presents and motivates an extended ontology conceptual model which represents explicitly semantic information about concepts. This model results from explicitl...
The Semantic Web languages RDFS and OWL have been around for some time now. However, the presence of these languages has not brought the breakthrough of the Semantic Web the creat...
Axel Polleres, Dieter Fensel, Jos de Bruijn, Rub&e...