From 9a8cbe4db88e63378b6d3c4ec96438819f1f1131 Mon Sep 17 00:00:00 2001
From: Chris Dyer <cdyer@cs.cmu.edu>
Date: Thu, 9 Dec 2010 17:04:29 -0500
Subject: major refactor of markov features for word alignment

---
 word-aligner/aligner.pl                             | 14 ++++++++------
 word-aligner/makefiles/makefile.grammars            |  8 ++------
 word-aligner/support/generate_word_pair_features.pl |  4 ++--
 3 files changed, 12 insertions(+), 14 deletions(-)

(limited to 'word-aligner')

diff --git a/word-aligner/aligner.pl b/word-aligner/aligner.pl
index 81ac4198..f5ee5d3f 100755
--- a/word-aligner/aligner.pl
+++ b/word-aligner/aligner.pl
@@ -120,17 +120,19 @@ grammar=$align_dir/grammars/corpus.$direction.lex-grammar.gz
 
 feature_function=WordPairFeatures $align_dir/grammars/wordpairs.$direction.features.gz
 feature_function=LexicalPairIdentity
-feature_function=LexicalPairIdentity C $align_dir/grammars/corpus.class.$first $align_dir/grammars/voc2class.$second
+# stem translation
 feature_function=LexicalPairIdentity S $align_dir/grammars/corpus.stemmed.$first $align_dir/grammars/${second}stem.map
+# POS translation
+feature_function=LexicalPairIdentity C $align_dir/grammars/corpus.class.$first $align_dir/grammars/voc2class.$second
 feature_function=InputIdentity
 feature_function=OutputIdentity
 feature_function=RelativeSentencePosition $align_dir/grammars/corpus.class.$first
-# the following two are deprecated
-feature_function=MarkovJump +b
-feature_function=MarkovJumpFClass $align_dir/grammars/corpus.class.$first
+feature_function=NewJump
+feature_function=NewJump use_binned_log_lengths flen
+# jump distance and src and destination class type
+feature_function=NewJump use_binned_log_lengths f0 fprev f:$align_dir/grammars/corpus.class.$first
 feature_function=SourceBigram
-# following is deprecated- should reuse SourceBigram the way LexicalPairIdentity does
-feature_function=SourcePOSBigram $align_dir/grammars/corpus.class.$first
+feature_function=SourceBigram SC $align_dir/grammars/corpus.class.$first
 EOT
   close CDEC;
   open AGENDA, ">$stage_dir/agenda.txt" or die "Can't write $stage_dir/agenda.txt: $!";
diff --git a/word-aligner/makefiles/makefile.grammars b/word-aligner/makefiles/makefile.grammars
index be0644df..1a069abf 100644
--- a/word-aligner/makefiles/makefile.grammars
+++ b/word-aligner/makefiles/makefile.grammars
@@ -1,14 +1,13 @@
-all: corpus.f-e.lex-grammar.gz wordpairs.f-e.features.gz corpus.class.e corpus.class.f corpus.stemmed.f fstem.map corpus.stemmed.e estem.map corpus.f-e.sgml
+all: corpus.f-e.lex-grammar.gz wordpairs.f-e.features.gz corpus.class.e corpus.class.f corpus.stemmed.f fstem.map corpus.stemmed.e estem.map
 
 clean:
-	$(RM) orthonorm-dict.* voc2class* corpus.class.* corpus.e-f corpus.f-e corpus.f-e.lex-grammar* *.model1 *voc corpus.e-f.lex-grammar* *stem* corpus.f-e.sgml freq* psg* wordpairs*
+	$(RM) orthonorm-dict.* voc2class* corpus.class.* corpus.e-f corpus.f-e corpus.f-e.lex-grammar* *.model1 *voc corpus.e-f.lex-grammar* *stem* freq* wordpairs*
 
 SUPPORT_DIR = $(SCRIPT_DIR)/support
 GZIP = /usr/bin/gzip
 ZCAT = zcat
 EXTRACT_GRAMMAR = $(SUPPORT_DIR)/extract_grammar.pl
 EXTRACT_VOCAB = $(SUPPORT_DIR)/extract_vocab.pl
-GENERATE_PSG = $(SUPPORT_DIR)/generate_per_sentence_grammars.pl
 GENERATE_WORDPAIR_FEATURES = $(SUPPORT_DIR)/generate_word_pair_features.pl
 ORTHONORM_E = $(SCRIPT_DIR)/ortho-norm/$(E_LANG).pl
 ORTHONORM_F = $(SCRIPT_DIR)/ortho-norm/$(F_LANG).pl
@@ -84,6 +83,3 @@ corpus.f-e.lex-grammar.gz: corpus.f-e corpus.f-e.model1 corpus.e-f.model1
 wordpairs.f-e.features.gz: corpus.f-e corpus.f-e.full-model1 corpus.e-f.full-model1 orthonorm-dict.f orthonorm-dict.e voc2class.e voc2class.f corpus.f-e.model1
 	$(GENERATE_WORDPAIR_FEATURES) corpus.f-e corpus.f-e.full-model1 corpus.e-f.full-model1 orthonorm-dict.f orthonorm-dict.e voc2class.e voc2class.f corpus.f-e.model1 | $(GZIP) -9 > $@
 
-corpus.f-e.sgml: f.voc corpus.f-e.lex-grammar.gz corpus.f-e
-	$(GENERATE_PSG) f.voc corpus.f-e corpus.f-e.lex-grammar.gz freq_grammar.f-e.gz psg.f-e $@
-
diff --git a/word-aligner/support/generate_word_pair_features.pl b/word-aligner/support/generate_word_pair_features.pl
index b28f6feb..54b89ce1 100755
--- a/word-aligner/support/generate_word_pair_features.pl
+++ b/word-aligner/support/generate_word_pair_features.pl
@@ -92,7 +92,7 @@ my $ADD_ID = 1;
 my $ADD_PUNC = 1;
 my $ADD_NULL = 1;
 my $ADD_MODEL1 = 1;
-my $ADD_NOMODEL1 = 1;
+my $ADD_NOMODEL1 = 0;
 my $BEAM_RATIO = 50;
 my $BIN_ORTHO = 1;
 my $BIN_DLEN = 1;
@@ -171,7 +171,7 @@ for my $f (sort keys %fdict) {
         }
         if ($im1 > $MIN_MAGNITUDE) {
           push @feats, "InvModel1=$im1" if $im1;
-        } else {
+        } elsif ($ADD_NOMODEL1) {
           push @feats, 'NoInvModel1=1';
         }
         my $am1 = sprintf("%.5g", sqrt($m1 * $im1));
-- 
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