H. Hoang:
"Semantic Web Information Retrieval: A Semantic Web Based Virtual Query System for Supporting User Query Formulation and Informatioan Retrieval in The SemanticLIFE Personal Digital Memory Framework";
Supervisor, Reviewer: A. Tjoa, R. Wagner; Institut für Softwaretechnik und Interaktive Systeme, 2007; oral examination: 2007-03-20.