/[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 5 - (show annotations)
Fri Jun 29 10:01:31 2007 UTC (16 years, 9 months ago) by dpavlin
File size: 3673 byte(s)
checkbox for expansion into slogovi
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
19 my $abs_path = abs_path( $0 );
20 $abs_path =~ s!/[^/]*$!/!; #!fix-vim
21
22 #############################################################
23 my $COLLECTION = 'EPrints';
24 my ( @TERMS, @RESULTS );
25 my ( $RESULTS_TO_DISPLAY, $TERMS_TO_DISPLAY ) = ( 20, 20 );
26 #############################################################
27
28
29 ###############################
30 # CGI Variables
31 ###############################
32 my $cgi = new CGI;
33 my $start = $cgi->param( 'start' ) || 0;
34 my $query = $cgi->param( 'query' ) || '';
35 my $similar = $cgi->param( 'similar' ) || '';
36 my $slogovi = $cgi->param( 'slogovi' );
37
38 my $charset='iso-8859-2';
39
40 my $full_query = $query;
41 $full_query .= " " . join(" ", EPrints::slogovi( $query )) if ($slogovi);
42
43 ##############################
44 # Start the HTML output
45 ##############################
46 print "Content-type: text/html; charset=$charset\n\n";
47 print qq|<?xml version="1.0" encoding="$charset"?>
48 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
49 "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
50 <html xmlns="http://www.w3.org/1999/xhtml">
51 <head>
52 <meta http-equiv="content-type" content="text/html; charset=$charset" />
53 <title>Search Engine</title>
54 </head>
55 <body>
56 <form method="get" action="">
57 <p>
58 <input type="text" name="query" value="$query" />
59 <input type="submit" />
60 |, $cgi->checkbox( -name => 'slogovi' ), qq|
61 </p>\n|;
62
63
64
65 ##########################
66 # Do the actual search
67 ##########################
68 if( $query || $similar ) {
69
70 # Create collection-based objects
71 my $semantic = Semantic::API::Search->new( storage => 'sqlite',
72 database => "$abs_path/eprints.db",
73 collection => $COLLECTION );
74
75 my ($results, $terms);
76 if ( $query ) {
77 ($results, $terms) = $semantic->semantic_search( $full_query );
78 } else {
79 ($results, $terms) = $semantic->find_similar( $similar );
80 }
81
82 warn "results = ",dump( $results );
83 warn "terms = ",dump( $terms );
84
85 ##################################
86 # TERM BASED CALCULATIONS
87 ##################################
88 my @sorted_terms = sort { $terms->{$b} <=> $terms->{$a} } keys %$terms;
89 my @top_terms = splice( @sorted_terms, $start, $TERMS_TO_DISPLAY );
90
91 print "<p>Full query: $full_query</p>\n";
92 print "<p>Related Terms: ". ( join ", ", @top_terms ) ."</p>\n";
93 print "<hr />\n";
94
95
96 ##################################
97 # DOCUMENT BASED CALCULATIONS
98 ##################################
99
100 print "<p>Result Count: ".(scalar keys %$results)."</p>\n";
101
102 my @sorted_results = sort { $results->{$b} <=> $results->{$a} } keys %$results;
103 my @display_results = splice( @sorted_results, $start, $RESULTS_TO_DISPLAY );
104
105 warn dump( @display_results );
106
107 ##################################
108 # Access the storage engine to
109 # retrieve the title and text
110 ##################################
111 my $i = 1 + $start;
112 print $semantic->paginate( "?query=$query;similar=$similar", $start, scalar keys %$results, $RESULTS_TO_DISPLAY);
113 foreach my $id ( @display_results ){
114 EPrints->id( $id );
115 print "<p>$i. <b>", EPrints->lookup( 'title' ), "</b> <em>", sprintf("%.2f",$results->{$id}), "</em> <a href=\"?similar=$id\">similar</a></p>\n";
116 print "<p>";
117 # print $semantic->summarize($id);
118 print "<small>", EPrints->lookup('abstract'), "</small>";
119 print "</p>\n";
120 $i++;
121 }
122
123 }
124
125
126 print "</body>\n</html>\n";

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