@Phdthesis{stojanovic2005oirmatfcqa, author = "Nenad Stojanovic", school = "PhD thesis at the Universit{\&}auml;t Karlsruhe (TH), Fakult{\&}auml;t f{\&}uuml;r Wirtschaftswissenschaften", title = "Ontology-based Information Retrieval: Methods and Tools for Cooperative Query Answering", year = "2005", }