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Author image Ted Pedersen
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treebankFreq.pl - Compute Information Content from Penn Treebank 2


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


This program reads the Penn Treebank, Release 2, from the Linguistic Data Consortium, http://ldc.upenn.edu, 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 rawtextFreq.pl. 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 raw Wall Stree Journal portion of the Treebank corpus.
    This is usually in the /raw/wsj subdirectory of the Treebank
    installation.  Thus, you might run this program as

        treebankFreq.pl [OPTIONS] /home/sid/treebank/raw/wsj


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



Penn Treebank : http://ldc.upenn.edu,

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

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


 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 (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.