@Incollection{surevetter2001iaataskp, author = "York Sure-Vetter and Nenad Stojanovic and Steffen Staab and Alexander Maedche and Rudi Studer", booktitle = "Creating the Semantic Web", publisher = "MIT Press, Cambridge, MA", title = "Inside AIFB - Access to a Semantic Knowledge Portal", year = "2001", }