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Active Ontologies for Data Source Queries

Jos de Bruijn and Holger Lausen

2004

http://www.springerlink.com/content/ruru6ewegxpnp00x/fulltext.pdf
Towards Semantic Web Portals

Michael Stollberg and Holger Lausen and Ruben Lara and Ying Ding and Sung-Kook Han and Dieter Fensel

2004
An Evaluation of Semantic Web Portals

Ruben Lara and Sung-Kook Han and Holger Lausen and Michael Stollberg and Ying Ding and Dieter Fensel

2004

https://www.sti-innsbruck.at/sites/default/files/fileadmin/documents/papers/swpo…
Semantic Web Services: description requirements and current technologies

Ruben Lara and Holger Lausen and Sinuhe Arroyo and Jos de Bruijn and Dieter Fensel

2003

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