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Man Pages


Manual Reference Pages  -  LINGUA::STEM::FR (3)

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NAME

Lingua::Stem::Fr - Perl French Stemming

CONTENTS

SYNOPSIS



    use Lingua::Stem::Fr;

    my $stems = Lingua::Stem::Fr::stem({ -words => $word_list_reference,
                                         -locale => fr,
                                         -exceptions => $exceptions_hash,
                                      });

    my $stem = Lingua::Stem::Fr::stem_word( $word );



DESCRIPTION

This module use the a modified version of the Porter Stemming Algorithm to return a stemmed words.

The algorithm is implemented as described in:

http://snowball.tartarus.org/french/stemmer.html

with some improvement.

The code is carefully crafted to work in conjunction with the Lingua::Stem module by Benjamin Franz. This french version is based too, on the work of Aldo Calpini (Italian Version)

METHODS

o stem({ -words => \@words, -locale => ’fr’, -exceptions => \%exceptions }); Stems a list of passed words. Returns an anonymous list reference to the stemmed words.

Example:



    my $stemmed_words = Lingua::Stem::Fr::stem({ -words => \@words,
                                                 -locale => fr,
                                                 -exceptions => \%exceptions,
                                              });



o stem_word( $word );

Stems a single word and returns the stem directly.

Example:



    my $stem = Lingua::Stem::Fr::stem_word( $word );



o stem_caching({ -level => 0|1|2 });

Sets the level of stem caching.

’0’ means ’no caching’. This is the default level.

’1’ means ’cache per run’. This caches stemming results during a single
call to ’stem’.

’2’ means ’cache indefinitely’. This caches stemming results until
either the process exits or the ’clear_stem_cache’ method is called.

o clear_stem_cache;

Clears the cache of stemmed words

HISTORY

0.01 Original version; created by h2xs 1.23 with options



  -ACX
        -n
        Lingua::Stem::Fr



0.02 Minor change in documentation and disable of limitation to perl 5.8.3+

SEE ALSO

You can see the French stemming algorithm from Mr Porter here :

http://snowball.tartarus.org/french/stemmer.html

Another French stemming tool in Perl (French page) :

http://www.univ-nancy2.fr/pers/namer/Telecharger_Flemm.html

AUTHOR

Se\k:'Darribere-Pleyt, <sebastien.darribere@lefute.com>

COPYRIGHT AND LICENSE

Copyright (C) 2003 by Aldo Calpini <dada@perl.it>

Copyright (C) 2004 by Se\k:'Darribere-Pleyt <sebastien.darribere@lefute.com>

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself, either Perl version 5.8.3 or, at your option, any later version of Perl 5 you may have available.

POD ERRORS

Hey! <B>The above document had some coding errors, which are explained below:B>
Around line 563: Expected ’=item *’
Around line 571: Expected ’=item *’
Around line 583: Expected ’=item *’
Around line 623: Non-ASCII character seen before =encoding in ’Se\k:'Assuming ISO8859-1
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perl v5.20.3 LINGUA::STEM::FR (3) 2004-04-27

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