rm

1 files changed, 0 insertions, 291 deletions

diff --git a/compound-splitter.perl b/compound-splitter.perl
deleted file mode 100755
index beca70e..0000000
--- a/compound-splitter.perl
+++ /dev/null
@@ -1,291 +0,0 @@
-#!/usr/bin/perl -w 
-
-use strict;
-use Getopt::Long "GetOptions";
-
-my ($CORPUS,$MODEL,$TRAIN,$HELP,$VERBOSE);
-my $FILLER = ":s:es";
-my $MIN_SIZE = 3;
-my $MIN_COUNT = 5;
-my $MAX_COUNT = 5;
-my $FACTORED = 0;
-my $SYNTAX = 0;
-my $MARK_SPLIT = 0;
-my $BINARIZE = 0;
-$HELP = 1
-    unless &GetOptions('corpus=s' => \$CORPUS,
-		       'model=s' => \$MODEL,
-		       'filler=s' => \$FILLER,
-		       'factored' => \$FACTORED,
-		       'min-size=i' => \$MIN_SIZE,
-		       'min-count=i' => \$MIN_COUNT,
-		       'max-count=i' => \$MAX_COUNT,
-		       'help' => \$HELP,
-		       'verbose' => \$VERBOSE,
-		       'syntax' => \$SYNTAX,
-		       'binarize' => \$BINARIZE,
-		       'mark-split' => \$MARK_SPLIT,
-		       'train' => \$TRAIN);
-
-if ($HELP ||
-    ( $TRAIN && !$CORPUS) ||
-    (!$TRAIN && !$MODEL)) {
-    print "Compound splitter\n";
-    print "-----------------\n\n";
-    print "train:   compound-splitter -train -corpus txt-file -model new-model\n";
-    print "apply:   compound-splitter -model trained-model < in > out\n";
-    print "options: -min-size: minimum word size (default $MIN_SIZE)\n";
-    print "         -min-count: minimum word count (default $MIN_COUNT)\n";
-    print "         -filler: filler letters between words (default $FILLER)\n";
-    print "         -factor: factored data, assuming factor 0 as surface (default $FACTORED)\n";
-    print "         -syntax: syntactically parsed data (default $SYNTAX)\n";
-    print "         -mark-split: mark non-terminal label of split words (default $MARK_SPLIT)\n";
-    print "         -binarize: binarize subtree for split word (default $BINARIZE)\n";
-    exit;
-}
-
-if ($TRAIN) {
-    if ($SYNTAX)      { &train_syntax(); }
-    elsif ($FACTORED) { &train_factored(); }
-    else              { &train(); }
-}
-else {
-    &apply();
-}
-
-sub train {
-    my %COUNT;
-    open(CORPUS,$CORPUS) || die("ERROR: could not open corpus '$CORPUS'");
-    while(<CORPUS>) {
-	chop; s/\s+/ /g; s/^ //; s/ $//;
-	foreach (split) {
-	    $COUNT{$_}++;
-	}
-    }
-    close(CORPUS);
-    &save_trained_model(\%COUNT);
-}
-
-sub save_trained_model {
-    my ($COUNT) = @_;
-    my $id = 0;
-    open(MODEL,">".$MODEL);
-    foreach my $word (keys %$COUNT) {
-	print MODEL "".(++$id)."\t".$word."\t".$$COUNT{$word}."\n";
-    }
-    close(MODEL);
-    print STDERR "written model file with ".(scalar keys %$COUNT)." words.\n";
-}
-
-sub train_factored {
-  my (%COUNT,%FACTORED_COUNT);
-  # collect counts for interpretations for each surface word
-  open(CORPUS,$CORPUS) || die("ERROR: could not open corpus '$CORPUS'");
-  while(<CORPUS>) {
-    chop; s/\s+/ /g; s/^ //; s/ $//;
-    foreach my $factored_word (split) {
-      my $word = $factored_word;
-      $word =~ s/\|.+//g; # just first factor
-      $FACTORED_COUNT{$word}{$factored_word}++;
-	  }
-  }
-  close(CORPUS);
-  # only preserve most frequent interpretation, assign sum of counts
-  foreach my $word (keys %FACTORED_COUNT) {
-    my ($max,$best,$total) = (0,"",0);
-    foreach my $factored_word (keys %{$FACTORED_COUNT{$word}}) {
-      my $count = $FACTORED_COUNT{$word}{$factored_word};
-      $total += $count;
-      if ($count > $max) {
-        $max = $count; 
-        $best = $factored_word; 
-      }
-    }
-    $COUNT{$best} = $total;
-  }
-  &save_trained_model(\%COUNT);
-}
-
-sub train_syntax {
-  my (%COUNT,%LABELED_COUNT);
-  # collect counts for interpretations for each surface word
-  open(CORPUS,$CORPUS) || die("ERROR: could not open corpus '$CORPUS'");
-  while(<CORPUS>) {
-    chop; s/\s+/ /g; s/^ //; s/ $//;
-    my $label;
-    foreach (split) {
-      if (/^label="([^\"]+)"/) {
-        $label = $1;
-      }
-      elsif (! /^</) {
-        $LABELED_COUNT{$_}{$label}++;
-      }
-	  }
-  }
-  close(CORPUS);
-
-  # only preserve most frequent label, assign sum of counts
-  foreach my $word (keys %LABELED_COUNT) {
-    my ($max,$best,$total) = (0,"",0);
-    foreach my $label (keys %{$LABELED_COUNT{$word}}) {
-      my $count = $LABELED_COUNT{$word}{$label};
-      $total += $count;
-      if ($count > $max) {
-        $max = $count; 
-        $best = "$word $label"; 
-      }
-    }
-    $COUNT{$best} = $total;
-  }
-  &save_trained_model(\%COUNT);
-}
-
-sub apply {
-    my (%COUNT,%TRUECASE,%LABEL);
-    open(MODEL,$MODEL) || die("ERROR: could not open model '$MODEL'");
-    while(<MODEL>) {
-	chomp;
-	my ($id,$factored_word,$count) = split(/\t/);
-        my $label;
-        ($factored_word,$label) = split(/ /,$factored_word);
-        my $word = $factored_word;
-        $word =~ s/\|.+//g; # just first factor
-        my $lc = lc($word);
-	# if word exists with multipe casings, only record most frequent
-        next if defined($COUNT{$lc}) && $COUNT{$lc} > $count;
-	$COUNT{$lc} = $count;
-	$TRUECASE{$lc} = $factored_word;
-	$LABEL{$lc} = $label if $SYNTAX;
-    }
-    close(MODEL);
-
-    while(<STDIN>) {
-	my $first = 1;
-	chop; s/\s+/ /g; s/^ //; s/ $//;
-	my @BUFFER; # for xml tags
-	foreach my $factored_word (split) {
-	    print " " unless $first;	    
-	    $first = 0;
-
-	    # syntax: don't split xml
-	    if ($SYNTAX && ($factored_word =~ /^</ || $factored_word =~ />$/)) {
-		push @BUFFER,$factored_word;
-		$first = 1;
-		next;
-	    }
-	    
-	    # get case class
-	    my $word = $factored_word;
-	    $word =~ s/\|.+//g; # just first factor
-	    my $lc = lc($word);
-	    
-	    print STDERR "considering $word ($lc)...\n" if $VERBOSE;
-	    # don't split frequent words
-	    if ((defined($COUNT{$lc}) && $COUNT{$lc}>=$MAX_COUNT) ||
-	        $lc !~ /[a-zA-Z]/) {; # has to have at least one letter
-		print join(" ",@BUFFER)." " if scalar(@BUFFER); @BUFFER = (); # clear buffer
-		print $factored_word;
-		print STDERR "\tfrequent word ($COUNT{$lc}>=$MAX_COUNT), skipping\n" if $VERBOSE;
-		next;
-	    }
-
-	    # consider possible splits
-	    my $final = length($word)-1;
-	    my %REACHABLE;
-	    for(my $i=0;$i<=$final;$i++) { $REACHABLE{$i} = (); }
-	    
-	    print STDERR "splitting $word:\n" if $VERBOSE;
-	    for(my $end=$MIN_SIZE;$end<length($word);$end++) {
-		for(my $start=0;$start<=$end-$MIN_SIZE;$start++) {
-		    next unless $start == 0 || defined($REACHABLE{$start-1});
-		    foreach my $filler (split(/:/,$FILLER)) {
-			next if $start == 0 && $filler ne "";
-			next if lc(substr($word,$start,length($filler))) ne $filler;
-			my $subword = lc(substr($word,
-					        $start+length($filler),
-					        $end-$start+1-length($filler)));
-			next unless defined($COUNT{$subword});			
-			next unless $COUNT{$subword} >= $MIN_COUNT;
-			print STDERR "\tmatching word $start .. $end ($filler)$subword $COUNT{$subword}\n" if $VERBOSE;
-			push @{$REACHABLE{$end}},"$start $TRUECASE{$subword} $COUNT{$subword}";	
-		    }
-		}
-	    }
-
-	    # no matches at all?
-	    if (!defined($REACHABLE{$final})) {
-    print join(" ",@BUFFER)." " if scalar(@BUFFER); @BUFFER = (); # clear buffer
-		print $factored_word;
-		next;
-	    }
-
-	    my ($best_split,$best_score) = ("",0);
-
-	    my %ITERATOR;
-	    for(my $i=0;$i<=$final;$i++) { $ITERATOR{$i}=0; }
-	    my $done = 0;
-	    while(1) {
-		# read off word
-		my ($pos,$decomp,$score,$num,@INDEX) = ($final,"",1,0);
-		while($pos>0) {
-		    last unless scalar @{$REACHABLE{$pos}} > $ITERATOR{$pos}; # dead end?
-		    my ($nextpos,$subword,$count) 
-			= split(/ /,$REACHABLE{$pos}[ $ITERATOR{$pos} ]);
-		    $decomp = $subword." ".$decomp;
-		    $score *= $count;
-		    $num++;
-		    push @INDEX,$pos;
-#		    print STDERR "($nextpos-$pos,$decomp,$score,$num)\n";
-		    $pos = $nextpos-1;
-		}
-
-		chop($decomp);
-		print STDERR "\tsplit: $decomp ($score ** 1/$num) = ".($score ** (1/$num))."\n" if $VERBOSE;
-		$score **= 1/$num;
-		if ($score>$best_score) { 
-		    $best_score = $score;
-		    $best_split = $decomp;
-		}
-
-		# increase iterator
-		my $increase = -1;
-		while($increase<$final) {
-		    $increase = pop @INDEX;
-		    $ITERATOR{$increase}++;
-		    last if scalar @{$REACHABLE{$increase}} > $ITERATOR{$increase};
-		}
-		last unless scalar @{$REACHABLE{$final}} > $ITERATOR{$final};
-		for(my $i=0;$i<$increase;$i++) { $ITERATOR{$i}=0; }		    
-	    }
-      if ($best_split !~ / /) {
-        print join(" ",@BUFFER)." " if scalar(@BUFFER); @BUFFER = (); # clear buffer
-        print $factored_word; # do not change case for unsplit words
-        next;
-      }
-      if (!$SYNTAX) {
-        print $best_split;
-      }
-      else {
-        $BUFFER[$#BUFFER] =~ s/label=\"/label=\"SPLIT-/ if $MARK_SPLIT;
-        $BUFFER[$#BUFFER] =~ /label=\"([^\"]+)\"/ || die("ERROR: $BUFFER[$#BUFFER]\n");
-        my $pos = $1;
-        print join(" ",@BUFFER)." " if scalar(@BUFFER); @BUFFER = (); # clear buffer
-
-        my @SPLIT = split(/ /,$best_split);
-        my @OUT = ();
-        if ($BINARIZE) {
-          for(my $w=0;$w<scalar(@SPLIT)-2;$w++) {
-            push @OUT,"<tree label=\"\@$pos\">";
-          }
-        }
-        for(my $w=0;$w<scalar(@SPLIT);$w++) {
-          if ($BINARIZE && $w>=2) { push @OUT, "</tree>"; }
-          push @OUT,"<tree label=\"".$LABEL{lc($SPLIT[$w])}."\"> $SPLIT[$w] </tree>";
-        }
-        print join(" ",@OUT);
-      }
-	}
-  print " ".join(" ",@BUFFER) if scalar(@BUFFER); @BUFFER = (); # clear buffer
-	print "\n";
-    }
-}