86 lines
2.9 KiB
Perl
Executable File
86 lines
2.9 KiB
Perl
Executable File
#!/usr/bin/env perl
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# Czech WordNet 1.9 PDT, CC BY-NC-SA 3.0, newer versions available commercially;
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# this one's IDs cannot be linked with any release of the Princeton WordNet
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use warnings;
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use strict;
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# GNU Gzip can unpack a ZIP file, but not the BSD one, and unzip can't use stdin
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my $zipcat = qx/(command -v bsdtar)/ ? 'bsdtar -xOf-' : 'zcat';
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my $base = 'https://lindat.cz/repository/xmlui';
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my $path = 'handle/11858/00-097C-0000-0001-4880-3';
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open(my $doc, '-|',
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"curl -Lo- '$base/bitstream/$path/Czech_WordNet_1.9_PDT.zip'"
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. " | $zipcat | iconv -f latin2 -t UTF-8") or die $!;
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# https://nlp.fi.muni.cz/trac/deb2/wiki/WordNetFormat but not quite;
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# for terminology see https://wordnet.princeton.edu/documentation/wngloss7wn
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my %synsets;
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while (<$doc>) {
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my $id = m|<ID>(.+?)</ID>| && $1; next unless defined $id;
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my $pos = m|<POS>(.+?)</POS>| && $1; next if $pos eq 'e';
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$synsets{$id} = {
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literals => [map {s| \^\d+||gr} m|<LITERAL>(.+?)<|g],
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rels => {
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anto => [m^<ILR>(.+?)<TYPE>near_antonym<^g],
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hyper => [m^<ILR>(.+?)<TYPE>hypernym<^g],
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hypo => [m^<ILR>(.+?)<TYPE>hyponym<^g,
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m^<SUBEVENT>(.+?)</SUBEVENT>^g],
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super => [m^<ILR>(.+?)<TYPE>holo_part<^g],
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sub => [m^<ILR>(.+?)<TYPE>(?:holo_member|mero_part|partonym)<^g],
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},
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};
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}
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# Resolve all synset links to hash references, filtering out what can't be found
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while (my ($id, $synset) = each %synsets) {
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while (my ($name, $links) = each %{$synset->{rels}}) {
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@$links = map {$synsets{$_} || ()} @$links;
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}
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}
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# Ensure symmetry in relationships, duplicates will be taken care of later
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my %antitags = qw(anto anto hyper hypo hypo hyper super sub sub super);
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while (my ($id, $synset) = each %synsets) {
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while (my ($name, $links) = each %{$synset->{rels}}) {
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push @{$_->{rels}->{$antitags{$name}}}, $synset for @$links;
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}
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}
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# Create an inverse index from literals/keywords to their synsets
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my %literals;
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while (my ($id, $synset) = each %synsets) {
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push @{$literals{$_}}, $synset for @{$synset->{literals}};
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}
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# Output synsets exploded to individual words, with expanded relationships
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close($doc) or die $?;
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open(my $tabfile, '|-', 'tabfile', 'czech-wordnet',
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'--book-name=Czech WordNet 1.9 PDT', "--website=$base/$path",
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'--date=2011-01-24', '--collation=cs_CZ') or die $!;
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sub expand {
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my %seen;
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return grep {!$seen{$_}++} (map {@{$_->{literals}}} @_);
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}
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for my $keyword (sort {lc $a cmp lc $b} keys %literals) {
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my @lines;
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for my $synset (@{$literals{$keyword}}) {
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my $rels = $synset->{rels};
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push @lines,
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(grep {$_ ne $keyword} @{$synset->{literals}}),
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(map {"$_ ↑"} expand(@{$rels->{hyper}})),
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(map {"$_ ↓"} expand(@{$rels->{hypo}})),
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(map {"$_ ⊃"} expand(@{$rels->{super}})),
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(map {"$_ ⊂"} expand(@{$rels->{sub}})),
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(map {"$_ ≠"} expand(@{$rels->{anto}}));
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}
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if (@lines) {
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print $tabfile "$keyword\t" . join('\n',
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map { s/</</gr =~ s/>/>/gr =~ s/&/&/gr
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=~ s/\\/\\\\/gr =~ s/\n/\\n/gr =~ s/\t/\\t/gr} @lines) . "\n";
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}
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}
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close($tabfile) or die $?;
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