This page summarizes the work of the Semantic Annotations for WSDL (SAWSDL) Working Group which was started by W3C in April 2006 and is currently continuing. The objective of the Working Group is to develop a mechanism to enable semantic annotation of Web services descriptions.
S. Staab, M. Erdmann, A. Maedche, and S. Decker. Proc. of First Workshop on the Semantic Web at the Fourth European Conference International Workshop on Research and Advanced Technology for Digital Libraries, Lisbon, Portugal 18-20 September 2000, (September 2000)