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Evaluation of Path Based Methods for Conceptual Representation of the Text

  • Łukasz Kucharczyk
  • Julian Szymański
Part of the Lecture Notes in Computer Science book series (LNCS, volume 8502)

Abstract

Typical text clustering methods use the bag of words (BoW) representation to describe content of documents. However, this method is known to have several limitations. Employing Wikipedia as the lexical knowledge base has shown an improvement of the text representation for data-mining purposes. Promising extensions of that trend employ hierarchical organization of Wikipedia category system. In this paper we propose three path-based measures for calculating document relatedness in such conceptual space and compare them with the Path Length widely used approach. We perform their evaluation using the OPTICS clustering algorithm for categorization of keyword-based search results. The results have shown that our method outperforms the Path-Length approach.

Keywords

text representation documents categorization information retrieval 

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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  • Łukasz Kucharczyk
    • 1
  • Julian Szymański
    • 1
  1. 1.Department of Computer Systems ArchitectureGdańsk University of TechnologyPoland

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