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From: jair-ed@ptolemy.arc.nasa.gov
Subject: New Article, On the Informativeness...
Message-ID: <1995Mar21.002919.25264@ptolemy-ethernet.arc.nasa.gov>
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Date: Tue, 21 Mar 1995 00:29:19 GMT
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JAIR is pleased to announce the publication of the following article:

Ortega, J. (1995)
  "On the Informativeness of the DNA Promoter Sequences Domain Theory"
   (Research Note), Volume 2, pages 361-367.
   PostScript: volume2/ortega95a.ps (134K)

   Abstract: The DNA promoter sequences domain theory and database have
   become popular for testing systems that integrate empirical and
   analytical learning.  This note reports a simple change and
   reinterpretation of the domain theory in terms of M-of-N concepts,
   involving no learning, that results in an accuracy of 93.4% on the 106
   items of the database.  Moreover, an exhaustive search of the space of
   M-of-N domain theory interpretations indicates that the expected
   accuracy of a randomly chosen interpretation is 76.5%, and that a
   maximum accuracy of 97.2% is achieved in 12 cases.  This demonstrates
   the informativeness of the domain theory, without the complications of
   understanding the interactions between various learning algorithms and
   the theory.  In addition, our results help characterize the difficulty
   of learning using the DNA promoters theory.


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