J. Coi, D. Olmedilla, S. Zerr, P. Bonatti, and L. Sauro. IEEE International Policies for Distributed Systems and Networks (POLICY 2008), Palisades, NY, USA, IEEE Computer Society, (June 2008)
D. Olmedilla, R. Lara, A. Polleres, and H. Lausen. Proc.\ of the first International Workshop on Semantic Web Services and Web Process Composition (SWSWPC), San Diego, California, USA, (July 2004)
J. Carroll, C. Bizer, P. Hayes, and P. Stickler. WWW '05: Proceedings of the 14th international conference on World Wide Web, page 613--622. New York, NY, USA, ACM, (2005)