diff options
Diffstat (limited to 'gi/pipeline/backoff-pipe.pl')
-rw-r--r-- | gi/pipeline/backoff-pipe.pl | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/gi/pipeline/backoff-pipe.pl b/gi/pipeline/backoff-pipe.pl deleted file mode 100644 index ac103c8b..00000000 --- a/gi/pipeline/backoff-pipe.pl +++ /dev/null @@ -1,215 +0,0 @@ -#!/usr/bin/perl -w -use strict; - -use Getopt::Long "GetOptions"; - -my @grammars; -my $OUTPUTPREFIX = './giwork/bo.hier.grammar'; -safemkdir($OUTPUTPREFIX); -my $backoff_levels = 1; -my $glue_levels = 1; - -usage() unless &GetOptions('grmr=s@' => \ @grammars, - 'outprefix=s' => \ $OUTPUTPREFIX, - 'bo-lvls=i' => \ $backoff_levels, - 'glue-lvls=i' => \ $glue_levels, -); - -my $OUTDIR = $OUTPUTPREFIX . '/hier'; -print STDERR "@grammars\n"; - - -my %grmr = (); -foreach my $grammar (@grammars) { - $grammar =~ m/\/[^\/]*\.t(\d+)\.[^\/]*/; - $grmr{$1} = $grammar; -} - -my @index = sort keys %grmr; -$OUTDIR = $OUTDIR . join('-',@index); -safemkdir($OUTDIR); -my $BACKOFF_GRMR = $OUTDIR . '/backoff.hier.gz'; -safesystem("echo \"\" | gzip > $BACKOFF_GRMR"); -my $GLUE_GRMR = $OUTDIR . '/glue.hier.gz'; -safesystem("echo \"\" | gzip > $GLUE_GRMR"); -my $joinedgrammars = $OUTDIR . '/grammar.hier.gz'; - -join_grammars(); - -for my $i (0..(scalar @index)-2) { - my $freqs = extract_freqs($index[$i], $index[$i+1]); - if ($i < $backoff_levels) { - create_backoff_rules($index[$i],$index[$i+1],$freqs); - } - if ($i < $glue_levels) { - add_glue_rules($index[$i]); - } -} - -output_grammar_info(); - - -sub usage { - print <<EOT; - -Usage: $0 [OPTIONS] corpus.fr-en-al - -Induces a grammar using Pitman-Yor topic modeling or Posterior Regularisation. - -EOT - exit 1; -}; - -sub safemkdir { - my $dir = shift; - if (-d $dir) { return 1; } - return mkdir($dir); -} - - -sub safesystem { - print STDERR "Executing: @_\n"; - system(@_); - if ($? == -1) { - print STDERR "ERROR: Failed to execute: @_\n $!\n"; - exit(1); - } - elsif ($? & 127) { - printf STDERR "ERROR: Execution of: @_\n died with signal %d, %s coredump\n", - ($? & 127), ($? & 128) ? 'with' : 'without'; - exit(1); - } - else { - my $exitcode = $? >> 8; - print STDERR "Exit code: $exitcode\n" if $exitcode; - return ! $exitcode; - } -} - - -sub join_grammars { - print STDERR "\n!!! JOINING GRAMMARS\n"; - if(-e $joinedgrammars) { - print STDERR "$joinedgrammars exists, reusing...\n"; - return; - } - safesystem("echo \"\" | gzip > $joinedgrammars"); - foreach my $i (@index) { - my $g = $grmr{$i}; - safesystem("zcat $g | sed -r -e 's/X([0-9]+)/X$i\\1/g' - | gzip > $g.2.gz"); - safesystem("zcat $joinedgrammars $g.2.gz | gzip > $joinedgrammars.2.gz"); - safesystem("mv $joinedgrammars.2.gz $joinedgrammars"); - } -} - - -sub extract_freqs { - my($grmr1,$grmr2) = @_; - print STDERR "\n!!!EXTRACTING FREQUENCIES: $grmr1->$grmr2\n"; - my $IN_COARSE = substr($grmr{$grmr1},0,index($grmr{$grmr1},".grammar/")) . "/labeled_spans.txt"; - my $IN_FINE = substr($grmr{$grmr2},0,index($grmr{$grmr2},".grammar/")) . "/labeled_spans.txt"; - my $OUT_SPANS = "$OUTDIR/labeled_spans.hier$grmr1-$grmr2.txt"; - my $FREQS = "$OUTDIR/label_freq.hier$grmr1-$grmr2.txt"; - if(-e $OUT_SPANS && -e $FREQS) { - print STDERR "$OUT_SPANS exists, reusing...\n"; - print STDERR "$FREQS exists, reusing...\n"; - return $FREQS; - } - - safesystem("paste -d ' ' $IN_COARSE $IN_FINE > $OUT_SPANS"); - - my %FREQ_HIER = (); - my %finehier = (); - - open SPANS, $OUT_SPANS or die $!; - while (<SPANS>) { - my ($tmp, $coarse, $fine) = split /\|\|\|/; - my @coarse_spans = $coarse =~ /\d+-\d+:X(\d+)/g; - my @fine_spans = $fine =~ /\d+-\d+:X(\d+)/g; - - foreach my $i (0..(scalar @coarse_spans)-1) { - my $coarse_cat = $coarse_spans[$i]; - my $fine_cat = $fine_spans[$i]; - - $FREQ_HIER{$coarse_cat}{$fine_cat}++; - } - } - close SPANS; - foreach (values %FREQ_HIER) { - my $coarse_freq = $_; - my $total = 0; - $total+=$_ for (values %{ $coarse_freq }); - $coarse_freq->{$_}=log($coarse_freq->{$_}/$total) for (keys %{ $coarse_freq }); - } - open FREQS, ">", $FREQS or die $!; - foreach my $coarse_cat (keys %FREQ_HIER) { - print FREQS "$coarse_cat |||"; - foreach my $fine_cat (keys %{$FREQ_HIER{$coarse_cat}}) { - my $freq = $FREQ_HIER{$coarse_cat}{$fine_cat}; - print FREQS " $fine_cat:$freq"; - if(! exists $finehier{$fine_cat} || $finehier{$fine_cat} < $freq) { - $finehier{$fine_cat} = $coarse_cat; - } - } - print FREQS "\n"; - } -# foreach my $fine_cat (keys %finehier) { -# print FREQS "$fine_cat -> $finehier{$fine_cat}\n"; -# } - close FREQS; - return $FREQS; -} - - -sub create_backoff_rules { - print STDERR "\n!!! CREATING BACKOFF RULES\n"; - my ($grmr1, $grmr2, $freq) = @_; - my $OUTFILE = "$OUTDIR/backoff.hier$grmr1-$grmr2.txt"; - if(-e $OUTFILE) { - print STDERR "$OUTFILE exists, reusing...\n"; - return; - } - open FREQS, $freq or die $!; - open TMP, ">", $OUTFILE or die $!; - while (<FREQS>) { - my $line = $_; - $line = m/^(\d+) \|\|\| (.+)$/; - my $coarse = $1; - $line = $2; - my @finefreq = $line =~ m/(\d+):(\S+)/g; - for(my $i = 0; $i < scalar @finefreq; $i+=2) { - my $finecat = $finefreq[$i]; - my $finefreq = $finefreq[$i+1]; - print TMP "[X$grmr1$coarse] ||| [X$grmr2$finecat,1]\t[1] ||| BackoffRule=$finefreq A=0-0\n"; - } - } - close TMP; - close FREQS; - safesystem("zcat $BACKOFF_GRMR | cat - $OUTFILE | gzip > $BACKOFF_GRMR.2.gz"); - safesystem("mv $BACKOFF_GRMR.2.gz $BACKOFF_GRMR"); -} - -sub add_glue_rules { - print STDERR "\n!!! CREATING GLUE RULES\n"; - my ($grmr) = @_; - my $OUTFILE = "$OUTDIR/glue.$grmr.gz"; - if (-e $OUTFILE) { - print STDERR "$OUTFILE exists, reusing...\n"; - return; - } - open TMP, ">", $OUTFILE or die $!; - for my $i (0..($grmr-1)) { - print TMP "[S] ||| [S,1] [X$grmr$i,2] ||| [1] [2] ||| Glue=1\n"; - print TMP "[S] ||| [X$grmr$i,1] ||| [1] ||| GlueTop=1\n"; - } - close TMP; - safesystem("zcat $GLUE_GRMR | cat - $OUTFILE | gzip > $GLUE_GRMR.2.gz"); - safesystem("mv $GLUE_GRMR.2.gz $GLUE_GRMR"); -} - -sub output_grammar_info { - print STDERR "\n!!! GRAMMAR INFORMATION\n"; - print STDOUT "GRAMMAR: \t$joinedgrammars\n"; - print STDOUT "GLUE: \t$GLUE_GRMR\n"; - print STDOUT "BACKOFF: \t$BACKOFF_GRMR\n"; -} |