Marcos Palacios, Laura Moreno, María José Escalona, Mercedes Ruiz. Evaluating the Service Level Agreements of NDT under WS-Agreement - An Empirical Analysis. In Karl-Heinz Krempels, José Cordeiro, editors, WEBIST 2012 - Proceedings of the 8th International Conference on Web Information Systems and Technologies, Porto, Portugal, 18 - 21 April, 2012. pages 246-250, SciTePress, 2012.