Feature instability as a criterion for selecting potential style markers: Special Topic Section on Computational Analysis of Style

  • Authors:
  • Moshe Koppel;Navot Akiva;Ido Dagan

  • Affiliations:
  • Computer Science Department, Bar Ilan University, Ramat Gan 52900, Israel;Computer Science Department, Bar Ilan University, Ramat Gan 52900, Israel;Computer Science Department, Bar Ilan University, Ramat Gan 52900, Israel

  • Venue:
  • Journal of the American Society for Information Science and Technology
  • Year:
  • 2006

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Abstract

We introduce a new measure on linguistic features, called stability, which captures the extent to which a language element such as a word or a syntactic construct is replaceable by semantically equivalent elements. This measure may be perceived as quantifying the degree of available “synonymy” for a language item. We show that frequent, but unstable, features are especially useful as discriminators of an author's writing style. © 2006 Wiley Periodicals, Inc.