TOOLS TO FOSTER SEMANTIC-BASED COLLABORATION - A Knowledge Management Approach Based on a Semantic Wiki and Personal Ontologies Topics: Metadata and Metamodeling; Multimedia and User Interfaces; Ontology and the Semantic Web; Personalized Web Sites and Services; Searching and Browsing In Proceedings of the Third International Conference on Web Information Systems and Technologies - Volume 1: WEBIST, 302-307, 2007 , Barcelona, Spain