Improving automatic indexing through concept combination and term enrichment

  • Authors:
  • Christian Jacquemin

  • Affiliations:
  • LIMSI-CNRS, Orsay, France

  • Venue:
  • COLING '98 Proceedings of the 17th international conference on Computational linguistics - Volume 1
  • Year:
  • 1998

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Abstract

Although indexes may overlap, the output of an automatic indexer is generally presented as a flat and unstructured list of terms. Our purpose is to exploit term overlap and embedding so as to yield a substantial qualitative and quantitative improvement in automatic indexing through concept combination. The increase in the volume of indexing is 10.5% for free indexing and 52.3% for controlled indexing. The resulting structure of the indexed corpus is a partial conceptual analysis.