Vector space based on hierarchical weighting: a component ranking approach to component retrieval

  • Authors:
  • Gui Gui;Paul D. Scott

  • Affiliations:
  • Department of Computer Science, University of Essex, Colchester, UK;Department of Computer Science, University of Essex, Colchester, UK

  • Venue:
  • APPT'05 Proceedings of the 6th international conference on Advanced Parallel Processing Technologies
  • Year:
  • 2005

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Abstract

In this paper, we present an approach to software component ranking intended for use in searching for such components on the internet. The method used introduces a novel method of weighting keywords that takes account of where within the structure of a component the keyword is found. This hierarchical weighting scheme is used in two ranking algorithms: one using summed weights, the other using a vector space model. Experimental comparisons with algorithms using TF-IDF weighting that ignore component structure are described. The results demonstrate consistent superiority of the hierarchical weighting approach.