Corpus ID: 16074536

Ontology from Local Hierarchical Structure in Text

  title={Ontology from Local Hierarchical Structure in Text},
  author={Fionn Murtagh and Josiane Mothe and Kurt Englmeier},
  • Fionn Murtagh, Josiane Mothe, Kurt Englmeier
  • Published 2007
  • Computer Science
  • ArXiv
  • We study the notion of hierarchy in the context of visualizing textual data and navigating text collections. A formal framework for ``hierarchy'' is given by an ultrametric topology. This provides us with a theoretical foundation for concept hierarchy creation. A major objective is {\em scalable} annotation or labeling of concept maps. Serendipitously we pursue other objectives such as deriving common word pair (and triplet) phrases, i.e., word 2- and 3-grams. We evaluate our approach using (i… CONTINUE READING

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