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Manual Reference Pages  -  BNCFREQ.PL (1)

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NAME - Compute Information Content based on British National Corpus (World Edition)


SYNOPSIS [--outfile=OUTFILE [--stopfile=STOPFILE]
         [--wnpath=WNPATH] [--resnik] [--smooth=SCHEME] PATH
        | --help --version]


This program reads the British National Corpus (World Edition, December 2000) and computes the frequency counts for each synset in WordNet. These frequency counts are used by the Lin, Resnik, and Jiang & Conrath measures of semantic relatedness to calculate the information content values of concepts. The output is generated in a format as required by the WordNet::Similarity modules for computing semantic relatedness.

A more detailed description of how information content is calculated can be found in This program uses exactly the same techniques as described there.



    The name of a file to which output should be written


    A file containing a list of stop listed words that will not be
    considered in the frequency counts.  A sample file can be down-
    loaded from


    Location of the WordNet data files (e.g.,


    Use Resnik (1995) frequency counting


    Smoothing should used on the probabilities computed.  SCHEME can
    only be ADD1 at this time


    Show a help message


    Display version information


    Path to the root of the texts of the corpus.  (e.g.,


Report to WordNet::Similarity mailing list :



Please note that the BNC World Edition has been superceded by the BNC XML Edition. Please contact the BNC for more information about the continued availabiliy of BNC World:


WordNet home page :

WordNet::Similarity home page :


 Ted Pedersen, University of Minnesota, Duluth
 tpederse at

 Satanjeev Banerjee, Carnegie Mellon University, Pittsburgh
 banerjee+ at

 Siddharth Patwardhan, University of Utah, Salt Lake City
 sidd at


Copyright (c) 2005-2008, Ted Pedersen, Satanjeev Banerjee, and Siddharth Patwardhan

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

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