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An investigation of the influence of indexing exhaustivity and term distributions on a document space

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  • Dietmar Wolfram
  • Jin Zhang

Abstract

The authors investigate the influence of index term distributions, and indexing exhaustivity levels on the document space within a visual information retrieval environment called DARE. Using combinations of three levels of term distributions (shallow, observed, steep) and indexing exhaustivity (low, observed, high), hypothetical document sets were generated and projected onto the DARE environment. The results from the simulated document sets demonstrate the importance of term distribution and exhaustivity characteristics on the density of document spaces and their implications for retrieval, particularly when different term weighting schemes are used. The results also demonstrate how different combinations of exhaustivity and term distributions may result in similar document space density characteristics.

Suggested Citation

  • Dietmar Wolfram & Jin Zhang, 2002. "An investigation of the influence of indexing exhaustivity and term distributions on a document space," Journal of the American Society for Information Science and Technology, Association for Information Science & Technology, vol. 53(11), pages 943-952.
    • Handle: RePEc:bla:jamist:v:53:y:2002:i:11:p:943-952
    DOI: 10.1002/asi.10121
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