AI-Categorizer

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META.yml  view on Meta::CPAN

---
name: AI-Categorizer
version: 0.09
author:
  - 'Ken Williams <ken@mathforum.org>'
  - |-
    Discussion about this module can be directed to the perl-AI list at
    <perl-ai@perl.org>.  For more info about the list, see
    http://lists.perl.org/showlist.cgi?name=perl-ai
abstract: Automatic Text Categorization
license: perl
resources:
  license: http://dev.perl.org/licenses/
requires:

README  view on Meta::CPAN

        Experiment object for later use in the "stats_table()" method.

    stats_table()
        Returns the value of the Experiment's (as created by
        "evaluate_test_set()") "stats_table()" method. This is a string that
        shows various statistics about the accuracy/precision/recall/F1/etc. of
        the assignments made during testing.

HISTORY
    This module is a revised and redesigned version of the previous
    "AI::Categorize" module by the same author. Note the added 'r' in the new
    name. The older module has a different interface, and no attempt at backward
    compatibility has been made - that's why I changed the name.

    You can have both "AI::Categorize" and "AI::Categorizer" installed at the
    same time on the same machine, if you want. They don't know about each other
    or use conflicting namespaces.

AUTHOR
    Ken Williams <ken@mathforum.org>

README  view on Meta::CPAN

REFERENCES
    An excellent introduction to the academic field of Text Categorization is
    Fabrizio Sebastiani's "Machine Learning in Automated Text Categorization":
    ACM Computing Surveys, Vol. 34, No. 1, March 2002, pp. 1-47.

COPYRIGHT
    Copyright 2000-2003 Ken Williams. All rights reserved.

    This distribution is free software; you can redistribute it and/or modify it
    under the same terms as Perl itself. These terms apply to every file in the
    distribution - if you have questions, please contact the author.

eg/demo.pl  view on Meta::CPAN

# categorizer on a set of test documents.

use strict;
use AI::Categorizer;
use AI::Categorizer::Collection::Files;
use AI::Categorizer::Learner::NaiveBayes;
use File::Spec;

die("Usage: $0 <corpus>\n".
    "  A sample corpus (data set) can be downloaded from\n".
    "     http://www.cpan.org/authors/Ken_Williams/data/reuters-21578.tar.gz\n".
    "  or http://www.limnus.com/~ken/reuters-21578.tar.gz\n")
  unless @ARGV == 1;

my $corpus = shift;

my $training  = File::Spec->catfile( $corpus, 'training' );
my $test      = File::Spec->catfile( $corpus, 'test' );
my $cats      = File::Spec->catfile( $corpus, 'cats.txt' );
my $stopwords = File::Spec->catfile( $corpus, 'stopwords' );

lib/AI/Categorizer.pm  view on Meta::CPAN

C<evaluate_test_set()>) C<stats_table()> method.  This is a string
that shows various statistics about the
accuracy/precision/recall/F1/etc. of the assignments made during
testing.

=back

=head1 HISTORY

This module is a revised and redesigned version of the previous
C<AI::Categorize> module by the same author.  Note the added 'r' in
the new name.  The older module has a different interface, and no
attempt at backward compatibility has been made - that's why I changed
the name.

You can have both C<AI::Categorize> and C<AI::Categorizer> installed
at the same time on the same machine, if you want.  They don't know
about each other or use conflicting namespaces.

=head1 AUTHOR

lib/AI/Categorizer.pm  view on Meta::CPAN

Categorization": ACM Computing Surveys, Vol. 34, No. 1, March 2002,
pp. 1-47.

=head1 COPYRIGHT

Copyright 2000-2003 Ken Williams.  All rights reserved.

This distribution is free software; you can redistribute it and/or
modify it under the same terms as Perl itself.  These terms apply to
every file in the distribution - if you have questions, please contact
the author.

=cut

lib/AI/Categorizer/Document.pm  view on Meta::CPAN

=head1 AUTHOR

Ken Williams <ken@mathforum.org>

=head1 COPYRIGHT

This distribution is free software; you can redistribute it and/or
modify it under the same terms as Perl itself.  These terms apply to
every file in the distribution - if you have questions, please contact
the author.

=cut

lib/AI/Categorizer/Experiment.pm  view on Meta::CPAN

=head1 AUTHOR

Ken Williams <ken@mathforum.org>

=head1 COPYRIGHT

This distribution is free software; you can redistribute it and/or
modify it under the same terms as Perl itself.  These terms apply to
every file in the distribution - if you have questions, please contact
the author.

=cut

lib/AI/Categorizer/Hypothesis.pm  view on Meta::CPAN

=head1 AUTHOR

Ken Williams <ken@mathforum.org>

=head1 COPYRIGHT

This distribution is free software; you can redistribute it and/or
modify it under the same terms as Perl itself.  These terms apply to
every file in the distribution - if you have questions, please contact
the author.

=cut