/[Semantic-Engine]/EPrints/search.cgi
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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Contents of /EPrints/search.cgi

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Revision 8 - (show annotations)
Fri Jun 29 14:53:14 2007 UTC (16 years, 9 months ago) by dpavlin
File size: 3917 byte(s)
Use and enable searching of combination slogovi/stemming
1 #!/usr/bin/perl -w
2
3
4 ######################################
5 #
6 # A simple search engine program
7 #
8 ######################################
9
10
11 use strict;
12 use CGI::Carp qw(fatalsToBrowser);
13 use Semantic::API;
14 use CGI;
15 use Data::Dump qw/dump/;
16 use EPrints;
17 use Cwd qw/abs_path/;
18 use lib '/home/dpavlin/stem-hr/';
19 use StemHR;
20
21 my $abs_path = abs_path( $0 );
22 $abs_path =~ s!/[^/]*$!/!; #!fix-vim
23
24 #############################################################
25 my $COLLECTION = 'EPrints';
26 my ( @TERMS, @RESULTS );
27 my ( $RESULTS_TO_DISPLAY, $TERMS_TO_DISPLAY ) = ( 20, 20 );
28 #############################################################
29
30
31 ###############################
32 # CGI Variables
33 ###############################
34 my $cgi = new CGI;
35 my $start = $cgi->param( 'start' ) || 0;
36 my $query = $cgi->param( 'query' ) || '';
37 my $similar = $cgi->param( 'similar' ) || '';
38 my $slogovi = $cgi->param( 'slogovi' );
39 my $stem = $cgi->param( 'stem' );
40
41 my $charset='iso-8859-2';
42
43 my $full_query = $query;
44 $full_query .= " " . EPrints::slogovi( $query ) if ($slogovi);
45 $full_query .= " " . StemHR->stem( $query ) if ($stem);
46
47 ##############################
48 # Start the HTML output
49 ##############################
50 print "Content-type: text/html; charset=$charset\n\n";
51 print qq|<?xml version="1.0" encoding="$charset"?>
52 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
53 "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
54 <html xmlns="http://www.w3.org/1999/xhtml">
55 <head>
56 <meta http-equiv="content-type" content="text/html; charset=$charset" />
57 <title>Search Engine</title>
58 </head>
59 <body>
60 <form method="get" action="">
61 <p>
62 <input type="text" name="query" value="$query" />
63 <input type="submit" />
64 |, $cgi->checkbox( -name => 'stem' ), $cgi->checkbox( -name => 'slogovi' ), qq|
65 </p>\n|;
66
67
68
69 ##########################
70 # Do the actual search
71 ##########################
72 if( $query || $similar ) {
73
74 # Create collection-based objects
75 my $semantic = Semantic::API::Search->new( storage => 'sqlite',
76 database => "$abs_path/eprints.db",
77 collection => $COLLECTION );
78
79 my ($results, $terms);
80 if ( $query ) {
81 ($results, $terms) = $semantic->semantic_search( $full_query );
82 } else {
83 ($results, $terms) = $semantic->find_similar( $similar );
84 }
85
86 warn "results = ",dump( $results );
87 warn "terms = ",dump( $terms );
88
89 ##################################
90 # TERM BASED CALCULATIONS
91 ##################################
92 my @sorted_terms = sort { $terms->{$b} <=> $terms->{$a} } keys %$terms;
93 my @top_terms = splice( @sorted_terms, $start, $TERMS_TO_DISPLAY );
94
95 print "<p>Full query: $full_query</p>\n";
96 print "<p>Related Terms: ". ( join ", ", @top_terms ) ."</p>\n";
97 print "<hr />\n";
98
99
100 ##################################
101 # DOCUMENT BASED CALCULATIONS
102 ##################################
103
104 print "<p>Result Count: ".(scalar keys %$results)."</p>\n";
105
106 my @sorted_results = sort { $results->{$b} <=> $results->{$a} } keys %$results;
107 my @display_results = splice( @sorted_results, $start, $RESULTS_TO_DISPLAY );
108
109 warn dump( @display_results );
110
111 ##################################
112 # Access the storage engine to
113 # retrieve the title and text
114 ##################################
115 my $i = 1 + $start;
116 print $semantic->paginate( "?query=$query;similar=$similar", $start, scalar keys %$results, $RESULTS_TO_DISPLAY);
117 foreach my $id ( @display_results ){
118 EPrints->id( $id );
119 print "<p>$i. <b>", EPrints->lookup( 'title' ), "</b>";
120 print "$id <em>", sprintf("%.2f",$results->{$id}), "</em> <a href=\"?similar=$id\">similar</a></p>\n";
121 print "<p>";
122 # print $semantic->summarize($id);
123 print "</p><p>Keywords: ", EPrints->lookup('keywords'), "</p><p>";
124 print "<small>", EPrints->lookup('abstract'), "</small>";
125 print "</p>\n";
126 $i++;
127 }
128
129 }
130
131
132 print "</body>\n</html>\n";

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