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  KEY (rep_id)

=over 3

=item * rep_id

This is the primary (unique) key of the table, and
corresponds to the C<rep_id> of the C<ppms> table.

=item * abs

This is a description of the repository.

=item * browse

This is a URL where one can browse the repository.

=item * perl

This specifies the perl version the repository corresponds to.

=item * alias

This specifies a short alias for the repository.

=back

=head2 chapters

This contains information on the chapters.
The table is created as

  chapterid SMALLINT UNSIGNED NOT NULL
  chap_link TINYTEXT
  KEY (chapterid)

=over 3

=item * chapterid

This is the id of the distribution appearing in the
C<dists> table.

This is the primary (unique) key of the table, and
corresponds to the C<chapterid> of the C<dists>, C<mods>,
and C<chaps> table.

=item * chap_link

This is a description of the chapter that C<chapterid> corresponds
to (eg, C<File_Handle_Input_Output>).

=back

=head1 CATEGORIES

When uploading a module to PAUSE, there exists an option
to assign it to one of 24 broad categories. However, many
modules have not been assigned such a category, for one
reason or another. When populating the tables, the
I<AI::Categorizer> module is used to guess a possible
category for those modules that haven't been assigned one,
based on a training set based on the modules that have been
assigned a category (see <AI::Categorizer> for general
details). If this guess is above a configurable
threshold (see L<CPAN::Search::Lite::Index>, the guess is
accepted and subsequently inserted into the database, as
well as updating the categories associated with the
module's distribution.

=head1 SEE ALSO

L<CPAN::Search::Lite::Index>

=cut