Using the Self-Organizing Map (SOM) Algorithm, as a Prototype E-Content Retrieval Tool

  • Authors:

  • Athanasios S. Drigas;John Vrettaros

  • Affiliations:

  • Department of Applied Technologies, NCSR "DEMOKRITOS", Ag. Paraskeui, Greece;Department of Applied Technologies, NCSR "DEMOKRITOS", Ag. Paraskeui, Greece

  • Venue:
  • ICCSA '08 Proceedings of the international conference on Computational Science and Its Applications, Part II
  • Year:
  • 2008

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Abstract

SOM O.D.I.S.S.E.A.S is an intelligent searching tool using the Self-Organizing Map (SOM) algorithm, as a prototype e-content retrieval tool. The proposed searching tool has the ability to adjust and scale into any e-learning system that requires concept-based queries. In the proposed methodology, maps are used for the automatic replacement of the unstructured, the half structured and the multidimensional data of text, in a way that similar entries in the map are represented near between them. The performance and the functionality of the document organization, and the retrieval tool employing the SOM architecture, are also presented. Furthermore, experiments were performed to test the time performance of a learning algorithm used for the direct creation of teams of terms and texts enabling efficient searching and retrieval of the documents.