/[Semantic-Engine]/EPrints/index.pl
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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Revision 1 - (show annotations)
Fri Jun 29 09:08:58 2007 UTC (16 years, 5 months ago) by dpavlin
File MIME type: text/plain
File size: 1432 byte(s)
EPrints indexer and searcher for Semantic-Engine
at http://www.hirank.com/semantic-indexing-project/index.html

1 #!/usr/bin/perl -w
2
3 use strict;
4 use Semantic::API;
5 use DBI;
6 use Data::Dump qw/dump/;
7 use EPrints qw/_x/;
8 use lib '/home/dpavlin/stem-hr/';
9 use StemHR;
10
11 warn dump( StemHR->stem('ku├Žni') );
12
13 my $debug = shift @ARGV;
14
15 my $dbh = EPrints->dbh;
16 my $sth = $dbh->prepare(qq{
17 SELECT
18 archive_title.eprintid as id,
19 title
20 FROM archive_title
21 }) || die $dbh->errstr();
22 $sth->execute() || die $sth->errstr();
23
24 my $indexer = Semantic::API::Index->new(
25 storage => 'sqlite',
26 database => 'eprints.db',
27 collection => 'EPrints'
28 );
29
30
31 $indexer->add_word_filters( minimum_length => 3,
32 too_many_numbers => 10,
33 maximum_word_length => 15 );
34
35 # use this encoding for any incoming text
36 $indexer->set_default_encoding( "utf8");
37
38 my $total = 0;
39
40 while (my $row = $sth->fetchrow_hashref ) {
41 EPrints->id( $row->{id} );
42 my ( $title, $keywords, $abstract ) = (
43 _x( $row->{title} ),
44 EPrints->lookup( 'keywords' ),
45 EPrints->lookup( 'abstract' )
46 );
47 my @body = split( /\W*\s+\W*/, "$title $title $title $keywords $keywords $abstract" );
48 my $body;
49 foreach my $word ( @body ) {
50 $body .= StemHR->stem( $word ) . ' ';
51 }
52
53 warn "body: $body\n" if $debug;
54
55 $indexer->index( $row->{id}, join(" ", @body, $body ) );
56 $total++;
57 print STDERR _x( $row->{id}, " ", $row->{title} ), "\n";
58 }
59
60
61 print STDERR "\nNow adding $total items to the database...";
62 $indexer->finish();
63 print STDERR "done!\n";
64

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