Prospector : An adaptive front-end to the Google search engine. - Christian Schwendtner; Florian König (LWA, 2006)

Using Thematic Ontologies for User- and Group-Based Adaptive Personalization in Web Searching. - Alexandros Paramythis; Florian König; Christian Schwendtner; Lex van Velsen (Adaptive Multimedia Retrieval, 2008)