• Adaptivity for knowledge content in the semantic web 

      Hartonas, C.; Gana, E. (2008)
      The focus of this report is the adaptivity issue for Learning Objects owned by Learning (Web) Services. We address this issue based on the Concept, Resource, Order, Product (CROP) Reference Architecture that we briefly ...
    • Learning objects and learning services in the semantic web 

      Hartonas, C.; Gana, E. (2008)
      With the development of the web and the intense research for a semantic web, the need arises for standardized and rigorous semantic specification both of Services on the semantic web and of the objects and processes that ...