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Semantic Disambiguation and Contextualisation of Social Tags

  • Ignacio Fernández-Tobías
  • Iván Cantador
  • Alejandro Bellogín
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7138)

Abstract

We present an algorithmic framework to accurately and efficiently identify the semantic meanings and contexts of social tags within a particular folksonomy. The framework is used for building contextualised tag-based user and item profiles. We also present its implementation in a system called cTag, with which we preliminary analyse semantic meanings and contexts of tags belonging to Delicious and MovieLens folksonomies. The analysis includes a comparison between semantic similarities obtained for pairs of tags in Delicious folksonomy, and their semantic distances in the whole Web, according to co-occurrence based metrics computed with results of a Web search engine.

Keywords

social tagging folksonomy ambiguity semantic contextualisation clustering user modelling 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • Ignacio Fernández-Tobías
    • 1
  • Iván Cantador
    • 1
  • Alejandro Bellogín
    • 1
  1. 1.Departamento de Ingeniería InformáticaUniversidad Autónoma de MadridMadridSpain

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