Ted Pedersen

NAME

brownFreq.pl - Compute Information Content from the Brown Corpus

SYNOPSIS

 brownFreq.pl [--outfile=OUTFILE [--stopfile=STOPFILE] 
         [--wnpath=WNPATH] [--resnik] [--smooth=SCHEME] FILES 
        | --help --version]

DESCRIPTION

This program reads the Brown Corpus and computes the frequency counts for each synset in WordNet. These frequency counts are used by various 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.

There are various forms of the Brown corpus available. The one we use for this program comes from the ICAME Collection of English Language Corpora, Second Edition, 1999. http://www.hit.uib.no/icame/cd

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

OPTIONS

--outfile=filename

    The name of a file to which output should be written

--stopfile=filename

    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
    http://www.d.umn.edu/~tpederse/Group01/WordNet/words.txt

--wnpath=path

    Location of the WordNet data files (e.g.,
    /usr/local/WordNet-3.0/dict)

--resnik

    Use Resnik (1995) frequency counting

--smooth=SCHEME

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

--help

    Show a help message

--version

    Display version information

FILES

    Files for the Brown Corpus (e.g., /home/sid/Brown/BROWN1/*.TXT).

BUGS

Report to WordNet::Similarity mailing list : http://groups.yahoo.com/group/wn-similarity

SEE ALSO

WordNet::Similarity

ICAME Corpus : http://www.hit.uib.no/icame/cd

WordNet home page : http://wordnet.princeton.edu

WordNet::Similarity home page : http://wn-similarity.sourceforge.net

AUTHORS

 Ted Pedersen, University of Minnesota, Duluth
 tpederse at d.umn.edu

 Satanjeev Banerjee, Carnegie Mellon University, Pittsburgh
 banerjee+ at cs.cmu.edu

 Siddharth Patwardhan, University of Utah, Salt Lake City
 sidd at cs.utah.edu

COPYRIGHT

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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