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-rwxr-xr-xrescore/generate_zmert_params_from_weights.pl26
-rwxr-xr-xrescore/rerank.pl12
2 files changed, 32 insertions, 6 deletions
diff --git a/rescore/generate_zmert_params_from_weights.pl b/rescore/generate_zmert_params_from_weights.pl
new file mode 100755
index 00000000..a9287896
--- /dev/null
+++ b/rescore/generate_zmert_params_from_weights.pl
@@ -0,0 +1,26 @@
+#!/usr/bin/perl -w
+
+my %defaults;
+$defaults{'LanguageModel'} = "Opt\t0\t10\t0\t2.5";
+$defaults{'EgivenF'} = "Opt\t-5\t0.5\t-3\t0.5";
+$defaults{'LexEGivenF'} = "Opt\t-5\t0.5\t-3\t0.5";
+$defaults{'LexFGivenE'} = "Opt\t-5\t0.5\t-3\t0.5";
+$defaults{'PassThrough'} = "Opt\t-Inf\t+Inf\t-10\t0";
+$defaults{'WordPenalty'} = "Opt\t-Inf\t2\t-5\t0";
+my $DEFAULT = "Opt\t-Inf\t+Inf\t-1\t+1";
+
+while(<>) {
+ next if /^#/;
+ chomp;
+ next if /^\s*$/;
+ s/^\s+//;
+ s/\s+$//;
+ my ($a,$b) = split /\s+/;
+ next unless ($a && $b);
+ my $line = $DEFAULT;
+ if ($defaults{$a}) { $line = $defaults{$a}; }
+ print "$a\t|||\t$b\t$line\n";
+}
+
+print "normalization = none\n";
+
diff --git a/rescore/rerank.pl b/rescore/rerank.pl
index 296ae6d5..4a0c5750 100755
--- a/rescore/rerank.pl
+++ b/rescore/rerank.pl
@@ -39,7 +39,7 @@ while(<HYP>) {
my ($id, $hyp, $feats) = split / \|\|\| /;
unless (defined $cur) { $cur = $id; }
if ($cur ne $id) {
- extract_1best(\%hyps);
+ extract_1best($cur, \%hyps);
$cur = $id;
%hyps = ();
}
@@ -53,15 +53,15 @@ while(<HYP>) {
}
$hyps{"$hyp ||| $feats"} = $tot;
}
-extract_1best(\%hyps) if defined $cur;
+extract_1best($cur, \%hyps) if defined $cur;
close HYP;
sub extract_1best {
- my $rh = shift;
+ my ($id, $rh) = @_;
my %hyps = %$rh;
if ($kbest) {
for my $hyp (sort { $hyps{$b} <=> $hyps{$a} } keys %hyps) {
- print "$hyp\n";
+ print "$id ||| $hyp\n";
}
} else {
my $best_score = undef;
@@ -79,8 +79,8 @@ sub extract_1best {
sub usage {
print <<EOT;
-Usage: $0 -w weights.txt -h hyp.nbest.txt
- Reranks n-best lists with new weights, extracting the new 1-best entries.
+Usage: $0 -w weights.txt -h hyp.nbest.txt [--kbest]
+ Reranks n-best lists with new weights, extracting the new 1/k-best entries.
EOT
}