1. Alonso, G., Casati, F., Kuno, H., Machiraju, V.: Web Services. Springer, Heidelberg (2003)
2. Angerer, B.: Space Based Computing: J2EE bekommt Konkurrenz aus dem eigenen Lager. Datacom (4) (2002)
3. Brickley, D., Guha, R.V.(eds.): RDF Vocabulary Description Language 1.0: RDF Schema, W3C Recommendation (February 2004), http://www.w3c.org/TR/rdf-schema/
4. Fensel, D.: Ontologies: Silverbullet for Knowledge Mana-gement and Electronic Commerce, 2nd edn. Springer, Heidelberg (2003)
5. Fensel, D., Bussler, C.: The Web Service Modeling Framework WSMF. Electronic Commerce Research and Applications 1(2) (2002)