1. Akkiraju, R., Farrell, J., Miller, J.: Web service semantics - WSDL-S. A joint UGA-IBM Technical Note, version 1.0, Technical report, UGA-IBM, April 2005
2. Farrell, J., Lausen, H.: Semantic annotations for WSDL and XML schema. W3C recommendation (2007). http://www.w3.org/TR/sawsdl/
3. Patil, A.A., Oundhakar, S.A., Sheth, A.P.: METEOR-S web service annotation framework. In: 13th International Conference on World Wide Web, pp. 553–562 (2004)
4. Vedamuthu, A., Orchard, D., Hirsch, F.: Web services policy 1.5 - framework. W3C recommendation (2007). http://www.w3.org/TR/ws-policy/
5. Lecture Notes in Computer Science;A D’Ambrogio,2005