1. Börger, E., Stärk, R.: Logical Foundations of Artificial Intelligence. Springer, Heidelberg (1987)
2. Lecture Notes in Computer Science;E. Cimpian,2006
3. Euzenat, J., Loup, D., Touzani, M., Valtchev, P.: Ontology alignment with ola. In: Proc. 3rd ISWC 2004 Workshop on Evaluation of Ontology-based Tools (EON),Hiroshima, Japan, pp. 59–68 (2004)
4. Feier, C., Polleres, A., Dumitru, R., Domingue, J., Stollberg, M., Fensel, D.: Towards intelligent web services: The web service modeling ontology (WSMO). In: International Conference on Intelligent Computing, ICIC (2005)
5. Hsiao, H.-C., King, C.-T.: Neuron - A Wide-Area Service Discovery Infrastructure. In: Proceedings of the Internaltional Conference on Parallel Processing, ICPP 2002 (2002)