Federation of Distributed and Collaborative Repositories and Its Application on Science Learning Objects

  • Sergio Tasso
  • Simonetta Pallottelli
  • Riccardo Bastianini
  • Antonio Lagana
Part of the Lecture Notes in Computer Science book series (LNCS, volume 6784)

Abstract

The paper deals with the design and the implementation of a federation of collaborative repositories for learning objects management based on an efficient mechanism of filing and retrieving distributed knowledge. The proposed federation is meant to deal with a large variety of different contents though the discussed prototype implementation is concerned with scientific and educational subjects in particular. The existing hierarchic architecture has been modified into a peer network model. Both the pure peer network and the hybrid topologies are tested to evaluate their scalability with both geographical extension and volume of contents. Additional elements of evaluation have been the capability of enhancing collaboration and fault tolerance.

Keywords

repository synchronization learning objects knowledge content sharing 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • Sergio Tasso
    • 1
  • Simonetta Pallottelli
    • 1
  • Riccardo Bastianini
    • 1
  • Antonio Lagana
    • 2
  1. 1.Department of Mathematics and Computer ScienceUniversity of PerugiaPerugiaItaly
  2. 2.Department of ChemistryUniversity of PerugiaPerugiaItaly

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