A Multilingual/Multimedia Lexicon Model for Ontologies..
In: ESWC, pages 502-513. 2006.
Paul Buitelaar, Michael Sintek and Malte Kiesel.
[BibTeX] 

RDFBroker: A Signature-Based High-Performance RDF Store..
In: ESWC, pages 363-377. 2006.
Michael Sintek and Malte Kiesel.
[BibTeX]