From 2dea58c7be9cf35d1c9bda64493c18b8ad633ae1 Mon Sep 17 00:00:00 2001
From: Chris Dyer <cdyer@cs.cmu.edu>
Date: Thu, 17 Feb 2011 15:56:38 -0500
Subject: model1 indicator features script

---
 training/add-model1-features-to-scfg.pl | 81 +++++++++++++++++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100755 training/add-model1-features-to-scfg.pl

(limited to 'training/add-model1-features-to-scfg.pl')

diff --git a/training/add-model1-features-to-scfg.pl b/training/add-model1-features-to-scfg.pl
new file mode 100755
index 00000000..276b8aa9
--- /dev/null
+++ b/training/add-model1-features-to-scfg.pl
@@ -0,0 +1,81 @@
+#!/usr/bin/perl -w
+
+# [X] ||| so [X,1] die [X,2] der ||| as [X,1] existing [X,2] the ||| 2.47712135315 2.53182387352 5.07100057602 ||| 0-0 2-2 4-4
+# [X] ||| so [X,1] die [X,2] der ||| this [X,1] the [X,2] of ||| 2.47712135315 3.19828724861 2.38270020485 ||| 0-0 2-2 4-4
+# [X] ||| so [X,1] die [X,2] der ||| as [X,1] the [X,2] the ||| 2.47712135315 2.53182387352 1.48463630676 ||| 0-0 2-2 4-4
+# [X] ||| so [X,1] die [X,2] der ||| is [X,1] the [X,2] of the ||| 2.47712135315 3.45197868347 2.64251494408 ||| 0-0 2-2 4-4 4-5
+
+die "Usage: 0 model1.f-e model1.e-f < grammar.scfg\n" unless scalar @ARGV == 2;
+
+my $fm1 = shift @ARGV;
+die unless $fm1;
+my $frm1 = shift @ARGV;
+die unless $frm1;
+open M1,"<$fm1" or die;
+open RM1,"<$frm1" or die;
+print STDERR "Loading Model 1 probs from $fm1...\n";
+my %m1;
+while(<M1>) {
+  chomp;
+  my ($f, $e, $lp) = split /\s+/;
+  $m1{$e}->{$f} = exp($lp);
+}
+close M1;
+
+print STDERR "Loading Inverse Model 1 probs from $frm1...\n";
+my %rm1;
+while(<RM1>) {
+  chomp;
+  my ($e, $f, $lp) = split /\s+/;
+  $rm1{$f}->{$e} = exp($lp);
+}
+close RM1;
+
+my @label = qw( EGivenF LexFGivenE LexEGivenF );
+while(<>) {
+  chomp;
+  my ($l, $f, $e, $sscores, $al) = split / \|\|\| /;
+  my @scores = split /\s+/, $sscores;
+  for (my $i=0; $i<3; $i++) { $scores[$i] = "$label[$i]=$scores[$i]"; }
+  my @fs = split /\s+/, $f;
+  my @es = split /\s+/, $e;
+  my $flen = scalar @fs;
+  my $elen = scalar @es;
+  my $pgen = 0;
+  my $nongen = 0;
+  for (my $i =0; $i < $flen; $i++) {
+    my $ftot = 0;
+    next if ($fs[$i] =~ /\[X/);
+    my $cr = $rm1{$fs[$i]};
+    for (my $j=0; $j <= $elen; $j++) {
+      my $ej = '<eps>';
+      if ($j < $elen) { $ej = $es[$j]; }
+      my $p = $cr->{$ej};
+      if (defined $p) { $ftot += $p; }
+    }
+    if ($ftot == 0) { $nongen = 1; last; }
+    $pgen += log($ftot) - log($elen);
+  }
+  unless ($nongen) { push @scores, "RGood=1"; } else { push @scores, "RBad=1"; }
+
+  $nongen = 0;
+  $pgen = 0;
+  for (my $i =0; $i < $elen; $i++) {
+    my $etot = 0;
+    next if ($es[$i] =~ /\[X/);
+    my $cr = $m1{$es[$i]};
+#    print STDERR "$es[$i]\n";
+    for (my $j=0; $j <= $flen; $j++) {
+      my $fj = '<eps>';
+      if ($j < $flen) { $fj = $fs[$j]; }
+      my $p = $cr->{$fj};
+#      print STDERR "  $fs[$j] : $p\n";
+      if (defined $p) { $etot += $p; }
+    }
+    if ($etot == 0) { $nongen = 1; last; }
+    $pgen += log($etot) - log($flen);
+  }
+  unless ($nongen) { push @scores, "FGood=1"; } else { push @scores, "FBad=1"; }
+  print "$l ||| $f ||| $e ||| @scores ||| $al\n";
+}
+
-- 
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