The paper presents the work of the Elena project. The contribution of this paper is twofold: The first part of the paper elaborates on the notion of educational services. Educatio...
The emergence of the Semantic Web has produced several changes in the way in which applications are developed. Besides, the Semantic Web idea has changed itself since its initial a...
Mediation and integration of data are significant challenges because the number of services on the Web, and heterogeneities in their data representation, continue to increase rap...