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authorredpony <redpony@ec762483-ff6d-05da-a07a-a48fb63a330f>2010-08-04 21:51:28 +0000
committerredpony <redpony@ec762483-ff6d-05da-a07a-a48fb63a330f>2010-08-04 21:51:28 +0000
commitb71d77972e17dbc70896fa7c9e7b96b466f8933a (patch)
tree5653015bcc3c82d488b7ef12955b1ce4cd91d826 /extools
parent5c7eef3d08ecc2c30bcf0f9a5f17716c21f5bfc3 (diff)
get rid of unused code, remove static linkage
git-svn-id: https://ws10smt.googlecode.com/svn/trunk@480 ec762483-ff6d-05da-a07a-a48fb63a330f
Diffstat (limited to 'extools')
-rw-r--r--extools/Makefile.am16
-rw-r--r--extools/build_lexical_translation.cc104
-rw-r--r--extools/filter_score_grammar.cc524
3 files changed, 1 insertions, 643 deletions
diff --git a/extools/Makefile.am b/extools/Makefile.am
index 562599a3..1e82287d 100644
--- a/extools/Makefile.am
+++ b/extools/Makefile.am
@@ -1,10 +1,8 @@
bin_PROGRAMS = \
extractor \
mr_stripe_rule_reduce \
- build_lexical_translation \
filter_grammar \
featurize_grammar \
- filter_score_grammar \
extractor_monolingual
noinst_PROGRAMS =
@@ -12,33 +10,21 @@ noinst_PROGRAMS =
sg_lexer.cc: sg_lexer.l
$(LEX) -s -CF -8 -o$@ $<
-filter_score_grammar_SOURCES = filter_score_grammar.cc extract.cc sentence_pair.cc striped_grammar.cc
-filter_score_grammar_LDADD = $(top_srcdir)/decoder/libcdec.a -lz
-filter_score_grammar_LDFLAGS = -all-static
-
filter_grammar_SOURCES = filter_grammar.cc extract.cc sentence_pair.cc striped_grammar.cc sg_lexer.cc
filter_grammar_LDADD = $(top_srcdir)/decoder/libcdec.a -lz
-filter_grammar_LDFLAGS = -all-static
+#filter_grammar_LDFLAGS = -all-static
featurize_grammar_SOURCES = featurize_grammar.cc extract.cc sentence_pair.cc sg_lexer.cc striped_grammar.cc
featurize_grammar_LDADD = $(top_srcdir)/decoder/libcdec.a -lz
-featurize_grammar_LDFLAGS = -all-static
-
-build_lexical_translation_SOURCES = build_lexical_translation.cc extract.cc sentence_pair.cc
-build_lexical_translation_LDADD = $(top_srcdir)/decoder/libcdec.a -lz
-build_lexical_translation_LDFLAGS = -all-static
mr_stripe_rule_reduce_SOURCES = mr_stripe_rule_reduce.cc extract.cc sentence_pair.cc striped_grammar.cc sg_lexer.cc
mr_stripe_rule_reduce_LDADD = $(top_srcdir)/decoder/libcdec.a -lz
-mr_stripe_rule_reduce_LDFLAGS = -all-static
extractor_SOURCES = sentence_pair.cc extract.cc extractor.cc striped_grammar.cc
extractor_LDADD = $(top_srcdir)/decoder/libcdec.a -lz
-extractor_LDFLAGS = -all-static
extractor_monolingual_SOURCES = extractor_monolingual.cc
extractor_monolingual_LDADD = $(top_srcdir)/decoder/libcdec.a -lz
-extractor_monolingual_LDFLAGS = -all-static
AM_CPPFLAGS = -W -Wall -Wno-sign-compare $(GTEST_CPPFLAGS) -I$(top_srcdir)/decoder
diff --git a/extools/build_lexical_translation.cc b/extools/build_lexical_translation.cc
deleted file mode 100644
index f609f56a..00000000
--- a/extools/build_lexical_translation.cc
+++ /dev/null
@@ -1,104 +0,0 @@
-/*
- * Build lexical translation table from alignment file to use for lexical translation probabilties when scoring a grammar
- *
- * Ported largely from the train-factored-phrase-model.perl script by Philipp Koehn
- */
-#include <iostream>
-#include <string>
-#include <map>
-#include <vector>
-#include <utility>
-#include <cstdlib>
-#include <fstream>
-#include <tr1/unordered_map>
-
-#include "sentence_pair.h"
-#include "extract.h"
-#include "fdict.h"
-#include "tdict.h"
-
-#include <boost/functional/hash.hpp>
-#include <boost/program_options.hpp>
-#include <boost/program_options/variables_map.hpp>
-
-using namespace std;
-using namespace std::tr1;
-
-static const size_t MAX_LINE_LENGTH = 64000000;
-
-int main(int argc, char* argv[]){
-
- bool DEBUG = false;
-
- map <WordID, map<WordID, int> > word_translation;
- map <WordID, int> total_foreign;
- map <WordID, int> total_english;
-
- AnnotatedParallelSentence sent;
- char* buf = new char[MAX_LINE_LENGTH];
- while(cin)
- {
- cin.getline(buf, MAX_LINE_LENGTH);
- if (buf[0] == 0) continue;
-
- sent.ParseInputLine(buf);
-
- map <WordID, int> foreign_aligned;
- map <WordID, int> english_aligned;
-
- //iterate over the alignment to compute aligned words
-
- for(int i =0;i<sent.aligned.width();i++)
- {
- for (int j=0;j<sent.aligned.height();j++)
- {
- if (DEBUG) cout << sent.aligned(i,j) << " ";
- if( sent.aligned(i,j))
- {
- if (DEBUG) cout << TD::Convert(sent.f[i]) << " aligned to " << TD::Convert(sent.e[j]);
- //local counts
- ++foreign_aligned[sent.f[i]];
- ++english_aligned[sent.e[j]];
-
- //global counts
- ++word_translation[sent.f[i]][sent.e[j]];
- ++total_foreign[sent.f[i]];
- ++total_english[sent.e[j]];
- }
- }
- if (DEBUG) cout << endl;
- }
- if (DEBUG) cout << endl;
-
- static const WordID NULL_ = TD::Convert("NULL");
- //handle unaligned words - align them to null
- map<WordID, int>& nullcounts = word_translation[NULL_];
- for (int j =0; j < sent.e_len; j++)
- {
- if (english_aligned.count(sent.e[j])) continue;
- ++nullcounts[sent.e[j]];
- ++total_foreign[NULL_];
- ++total_english[sent.e[j]];
- }
-
- for (int i =0; i < sent.f_len; i++)
- {
- if (foreign_aligned.count(sent.f[i])) continue;
- ++word_translation[sent.f[i]][NULL_];
- ++total_english[NULL_];
- ++total_foreign[sent.f[i]];
- }
-
- }
-
- for(map < WordID, map<WordID,int> >::iterator it = word_translation.begin(); it != word_translation.end(); ++it)
- {
- const map<WordID, int>& trans = it->second;
- for (map<WordID,int>::const_iterator iit = trans.begin(); iit != trans.end(); ++iit) {
- cout << TD::Convert(it->first) << "," << TD::Convert(iit->first) << "=" << iit->second << "/" << total_foreign[it->first] << endl;
- }
- }
-
-
- return 0;
-}
diff --git a/extools/filter_score_grammar.cc b/extools/filter_score_grammar.cc
deleted file mode 100644
index d1a20b63..00000000
--- a/extools/filter_score_grammar.cc
+++ /dev/null
@@ -1,524 +0,0 @@
-/*
- * Filter & score a grammar in striped format
- */
-#include <iostream>
-#include <string>
-#include <map>
-#include <vector>
-#include <utility>
-#include <cstdlib>
-#include <fstream>
-#include <tr1/unordered_map>
-
-#include "suffix_tree.h"
-#include "sparse_vector.h"
-#include "sentence_pair.h"
-#include "extract.h"
-#include "fdict.h"
-#include "tdict.h"
-#include "lex_trans_tbl.h"
-#include "filelib.h"
-#include "striped_grammar.h"
-
-#include <boost/shared_ptr.hpp>
-#include <boost/functional/hash.hpp>
-#include <boost/program_options.hpp>
-#include <boost/program_options/variables_map.hpp>
-
-using namespace std;
-using namespace std::tr1;
-namespace po = boost::program_options;
-
-static const size_t MAX_LINE_LENGTH = 64000000;
-
-typedef unordered_map<vector<WordID>, RuleStatistics, boost::hash<vector<WordID> > > ID2RuleStatistics;
-
-void InitCommandLine(int argc, char** argv, po::variables_map* conf) {
- po::options_description opts("Configuration options");
- opts.add_options()
- ("test_set,t", po::value<string>(), "Filter for this test set (not specified = no filtering)")
- ("top_e_given_f,n", po::value<size_t>()->default_value(30), "Keep top N rules, according to p(e|f). 0 for all")
- ("backoff_features", "Extract backoff X-features, assumes E, F, EF counts")
-// ("feature,f", po::value<vector<string> >()->composing(), "List of features to compute")
- ("aligned_corpus,c", po::value<string>(), "Aligned corpus (single line format)")
- ("help,h", "Print this help message and exit");
- po::options_description clo("Command line options");
- po::options_description dcmdline_options;
- dcmdline_options.add(opts);
-
- po::store(parse_command_line(argc, argv, dcmdline_options), *conf);
- po::notify(*conf);
-
- if (conf->count("help") || conf->count("aligned_corpus")==0) {
- cerr << "\nUsage: filter_score_grammar -t TEST-SET.fr -c ALIGNED_CORPUS.fr-en-al [-options] < grammar\n";
- cerr << dcmdline_options << endl;
- exit(1);
- }
-}
-namespace {
- inline bool IsWhitespace(char c) { return c == ' ' || c == '\t'; }
- inline bool IsBracket(char c){return c == '[' || c == ']';}
- inline void SkipWhitespace(const char* buf, int* ptr) {
- while (buf[*ptr] && IsWhitespace(buf[*ptr])) { ++(*ptr); }
- }
-}
-
-int ReadPhraseUntilDividerOrEnd(const char* buf, const int sstart, const int end, vector<WordID>* p) {
- static const WordID kDIV = TD::Convert("|||");
- int ptr = sstart;
- while(ptr < end) {
- while(ptr < end && IsWhitespace(buf[ptr])) { ++ptr; }
- int start = ptr;
- while(ptr < end && !IsWhitespace(buf[ptr])) { ++ptr; }
- if (ptr == start) {cerr << "Warning! empty token.\n"; return ptr; }
- const WordID w = TD::Convert(string(buf, start, ptr - start));
-
- if((IsBracket(buf[start]) and IsBracket(buf[ptr-1])) or( w == kDIV))
- p->push_back(1 * w);
- else {
- if (w == kDIV) return ptr;
- p->push_back(w);
- }
- }
- return ptr;
-}
-
-
-void ParseLine(const char* buf, vector<WordID>* cur_key, ID2RuleStatistics* counts) {
- static const WordID kDIV = TD::Convert("|||");
- counts->clear();
- int ptr = 0;
- while(buf[ptr] != 0 && buf[ptr] != '\t') { ++ptr; }
- if (buf[ptr] != '\t') {
- cerr << "Missing tab separator between key and value!\n INPUT=" << buf << endl;
- exit(1);
- }
- cur_key->clear();
- // key is: "[X] ||| word word word"
- int tmpp = ReadPhraseUntilDividerOrEnd(buf, 0, ptr, cur_key);
- cur_key->push_back(kDIV);
- ReadPhraseUntilDividerOrEnd(buf, tmpp, ptr, cur_key);
- ++ptr;
- int start = ptr;
- int end = ptr;
- int state = 0; // 0=reading label, 1=reading count
- vector<WordID> name;
- while(buf[ptr] != 0) {
- while(buf[ptr] != 0 && buf[ptr] != '|') { ++ptr; }
- if (buf[ptr] == '|') {
- ++ptr;
- if (buf[ptr] == '|') {
- ++ptr;
- if (buf[ptr] == '|') {
- ++ptr;
- end = ptr - 3;
- while (end > start && IsWhitespace(buf[end-1])) { --end; }
- if (start == end) {
- cerr << "Got empty token!\n LINE=" << buf << endl;
- exit(1);
- }
- switch (state) {
- case 0: ++state; name.clear(); ReadPhraseUntilDividerOrEnd(buf, start, end, &name); break;
- case 1: --state; (*counts)[name].ParseRuleStatistics(buf, start, end); break;
- default: cerr << "Can't happen\n"; abort();
- }
- SkipWhitespace(buf, &ptr);
- start = ptr;
- }
- }
- }
- }
- end=ptr;
- while (end > start && IsWhitespace(buf[end-1])) { --end; }
- if (end > start) {
- switch (state) {
- case 0: ++state; name.clear(); ReadPhraseUntilDividerOrEnd(buf, start, end, &name); break;
- case 1: --state; (*counts)[name].ParseRuleStatistics(buf, start, end); break;
- default: cerr << "Can't happen\n"; abort();
- }
- }
-}
-
-
-void LexTranslationTable::createTTable(const char* buf){
- AnnotatedParallelSentence sent;
- sent.ParseInputLine(buf);
-
- //iterate over the alignment to compute aligned words
-
- for(int i =0;i<sent.aligned.width();i++)
- {
- for (int j=0;j<sent.aligned.height();j++)
- {
- if (DEBUG) cerr << sent.aligned(i,j) << " ";
- if( sent.aligned(i,j))
- {
- if (DEBUG) cerr << TD::Convert(sent.f[i]) << " aligned to " << TD::Convert(sent.e[j]);
- ++word_translation[pair<WordID,WordID> (sent.f[i], sent.e[j])];
- ++total_foreign[sent.f[i]];
- ++total_english[sent.e[j]];
- }
- }
- if (DEBUG) cerr << endl;
- }
- if (DEBUG) cerr << endl;
-
- const WordID NULL_ = TD::Convert("NULL");
- //handle unaligned words - align them to null
- for (int j =0; j < sent.e_len; j++) {
- if (sent.e_aligned[j]) continue;
- ++word_translation[pair<WordID,WordID> (NULL_, sent.e[j])];
- ++total_foreign[NULL_];
- ++total_english[sent.e[j]];
- }
-
- for (int i =0; i < sent.f_len; i++) {
- if (sent.f_aligned[i]) continue;
- ++word_translation[pair<WordID,WordID> (sent.f[i], NULL_)];
- ++total_english[NULL_];
- ++total_foreign[sent.f[i]];
- }
-}
-
-
-inline float safenlog(float v) {
- if (v == 1.0f) return 0.0f;
- float res = -log(v);
- if (res > 100.0f) res = 100.0f;
- return res;
-}
-
-struct SourceFilter {
- // return true to keep the rule, otherwise false
- virtual bool Matches(const vector<WordID>& key) const = 0;
- virtual ~SourceFilter() {}
-};
-
-struct DumbSuffixTreeFilter : SourceFilter {
- DumbSuffixTreeFilter(const string& corpus) :
- kDIV(TD::Convert("|||")) {
- cerr << "Build suffix tree from test set in " << corpus << endl;
- assert(FileExists(corpus));
- ReadFile rfts(corpus);
- istream& testSet = *rfts.stream();
- char* buf = new char[MAX_LINE_LENGTH];
- AnnotatedParallelSentence sent;
-
- /* process the data set to build suffix tree
- */
- while(!testSet.eof()) {
- testSet.getline(buf, MAX_LINE_LENGTH);
- if (buf[0] == 0) continue;
-
- //hack to read in the test set using AnnotatedParallelSentence
- strcat(buf," ||| fake ||| 0-0");
- sent.ParseInputLine(buf);
-
- //add each successive suffix to the tree
- for(int i=0; i<sent.f_len; i++)
- root.InsertPath(sent.f, i, sent.f_len - 1);
- }
- delete[] buf;
- }
- virtual bool Matches(const vector<WordID>& key) const {
- const Node<int>* curnode = &root;
- const int ks = key.size() - 1;
- for(int i=0; i < ks; i++) {
- const string& word = TD::Convert(key[i]);
- if (key[i] == kDIV || (word[0] == '[' && word[word.size() - 1] == ']')) { // non-terminal
- curnode = &root;
- } else if (curnode) {
- curnode = curnode->Extend(key[i]);
- if (!curnode) return false;
- }
- }
- return true;
- }
- const WordID kDIV;
- Node<int> root;
-};
-
-struct FeatureExtractor {
- FeatureExtractor(const std::string& name) : extractor_name(name) {}
- virtual void ExtractFeatures(const vector<WordID>& lhs_src,
- const vector<WordID>& trg,
- const RuleStatistics& info,
- SparseVector<float>* result) const = 0;
- virtual ~FeatureExtractor() {}
- const string extractor_name;
-};
-
-static bool IsZero(float f) { return (f > 0.999 && f < 1.001); }
-
-struct LogRuleCount : public FeatureExtractor {
- LogRuleCount() :
- FeatureExtractor("LogRuleCount"),
- fid_(FD::Convert("LogRuleCount")),
- sfid_(FD::Convert("SingletonRule")),
- kCFE(FD::Convert("CFE")) {}
- virtual void ExtractFeatures(const vector<WordID>& lhs_src,
- const vector<WordID>& trg,
- const RuleStatistics& info,
- SparseVector<float>* result) const {
- (void) lhs_src; (void) trg;
- result->set_value(fid_, log(info.counts.get(kCFE)));
- if (IsZero(info.counts.get(kCFE)))
- result->set_value(sfid_, 1);
- }
- const int fid_;
- const int sfid_;
- const int kCFE;
-};
-
-struct LogECount : public FeatureExtractor {
- LogECount() :
- FeatureExtractor("LogECount"),
- sfid_(FD::Convert("SingletonE")),
- fid_(FD::Convert("LogECount")), kCE(FD::Convert("CE")) {}
- virtual void ExtractFeatures(const vector<WordID>& lhs_src,
- const vector<WordID>& trg,
- const RuleStatistics& info,
- SparseVector<float>* result) const {
- (void) lhs_src; (void) trg;
- assert(info.counts.get(kCE) > 0);
- result->set_value(fid_, log(info.counts.get(kCE)));
- if (IsZero(info.counts.get(kCE)))
- result->set_value(sfid_, 1);
- }
- const int sfid_;
- const int fid_;
- const int kCE;
-};
-
-struct LogFCount : public FeatureExtractor {
- LogFCount() :
- FeatureExtractor("LogFCount"),
- sfid_(FD::Convert("SingletonF")),
- fid_(FD::Convert("LogFCount")), kCF(FD::Convert("CF")) {}
- virtual void ExtractFeatures(const vector<WordID>& lhs_src,
- const vector<WordID>& trg,
- const RuleStatistics& info,
- SparseVector<float>* result) const {
- (void) lhs_src; (void) trg;
- assert(info.counts.get(kCF) > 0);
- result->set_value(fid_, log(info.counts.get(kCF)));
- if (IsZero(info.counts.get(kCF)))
- result->set_value(sfid_, 1);
- }
- const int sfid_;
- const int fid_;
- const int kCF;
-};
-
-struct EGivenFExtractor : public FeatureExtractor {
- EGivenFExtractor() :
- FeatureExtractor("EGivenF"),
- fid_(FD::Convert("EGivenF")), kCF(FD::Convert("CF")), kCFE(FD::Convert("CFE")) {}
- virtual void ExtractFeatures(const vector<WordID>& lhs_src,
- const vector<WordID>& trg,
- const RuleStatistics& info,
- SparseVector<float>* result) const {
- (void) lhs_src; (void) trg;
- assert(info.counts.get(kCF) > 0.0f);
- result->set_value(fid_, safenlog(info.counts.get(kCFE) / info.counts.get(kCF)));
- }
- const int fid_, kCF, kCFE;
-};
-
-struct FGivenEExtractor : public FeatureExtractor {
- FGivenEExtractor() :
- FeatureExtractor("FGivenE"),
- fid_(FD::Convert("FGivenE")), kCE(FD::Convert("CE")), kCFE(FD::Convert("CFE")) {}
- virtual void ExtractFeatures(const vector<WordID>& lhs_src,
- const vector<WordID>& trg,
- const RuleStatistics& info,
- SparseVector<float>* result) const {
- (void) lhs_src; (void) trg;
- assert(info.counts.get(kCE) > 0.0f);
- result->set_value(fid_, safenlog(info.counts.get(kCFE) / info.counts.get(kCE)));
- }
- const int fid_, kCE, kCFE;
-};
-
-// this extracts the lexical translation prob features
-// in BOTH directions.
-struct LexProbExtractor : public FeatureExtractor {
- LexProbExtractor(const std::string& corpus) :
- FeatureExtractor("LexProb"), e2f_(FD::Convert("LexE2F")), f2e_(FD::Convert("LexF2E")) {
- ReadFile rf(corpus);
- //create lexical translation table
- cerr << "Computing lexical translation probabilities from " << corpus << "..." << endl;
- char* buf = new char[MAX_LINE_LENGTH];
- istream& alignment = *rf.stream();
- while(alignment) {
- alignment.getline(buf, MAX_LINE_LENGTH);
- if (buf[0] == 0) continue;
- table.createTTable(buf);
- }
- delete[] buf;
-#if 0
- bool PRINT_TABLE=false;
- if (PRINT_TABLE) {
- ofstream trans_table;
- trans_table.open("lex_trans_table.out");
- for(map < pair<WordID,WordID>,int >::iterator it = table.word_translation.begin(); it != table.word_translation.end(); ++it) {
- trans_table << TD::Convert(trg.first) << "|||" << TD::Convert(trg.second) << "==" << it->second << "//" << table.total_foreign[trg.first] << "//" << table.total_english[trg.second] << endl;
- }
- trans_table.close();
- }
-#endif
- }
-
- virtual void ExtractFeatures(const vector<WordID>& lhs_src,
- const vector<WordID>& trg,
- const RuleStatistics& info,
- SparseVector<float>* result) const {
- map <WordID, pair<int, float> > foreign_aligned;
- map <WordID, pair<int, float> > english_aligned;
-
- //Loop over all the alignment points to compute lexical translation probability
- const vector< pair<short,short> >& al = info.aligns;
- vector< pair<short,short> >::const_iterator ita;
- for (ita = al.begin(); ita != al.end(); ++ita) {
- if (DEBUG) {
- cerr << "\nA:" << ita->first << "," << ita->second << "::";
- cerr << TD::Convert(lhs_src[ita->first + 2]) << "-" << TD::Convert(trg[ita->second]);
- }
-
- //Lookup this alignment probability in the table
- int temp = table.word_translation[pair<WordID,WordID> (lhs_src[ita->first+2],trg[ita->second])];
- float f2e=0, e2f=0;
- if ( table.total_foreign[lhs_src[ita->first+2]] != 0)
- f2e = (float) temp / table.total_foreign[lhs_src[ita->first+2]];
- if ( table.total_english[trg[ita->second]] !=0 )
- e2f = (float) temp / table.total_english[trg[ita->second]];
- if (DEBUG) printf (" %d %E %E\n", temp, f2e, e2f);
-
- //local counts to keep track of which things haven't been aligned, to later compute their null alignment
- if (foreign_aligned.count(lhs_src[ita->first+2])) {
- foreign_aligned[ lhs_src[ita->first+2] ].first++;
- foreign_aligned[ lhs_src[ita->first+2] ].second += e2f;
- } else {
- foreign_aligned[ lhs_src[ita->first+2] ] = pair<int,float> (1,e2f);
- }
-
- if (english_aligned.count( trg[ ita->second] )) {
- english_aligned[ trg[ ita->second] ].first++;
- english_aligned[ trg[ ita->second] ].second += f2e;
- } else {
- english_aligned[ trg[ ita->second] ] = pair<int,float> (1,f2e);
- }
- }
-
- float final_lex_f2e=1, final_lex_e2f=1;
- static const WordID NULL_ = TD::Convert("NULL");
-
- //compute lexical weight P(F|E) and include unaligned foreign words
- for(int i=0;i<lhs_src.size(); i++) {
- if (!table.total_foreign.count(lhs_src[i])) continue; //if we dont have it in the translation table, we won't know its lexical weight
-
- if (foreign_aligned.count(lhs_src[i]))
- {
- pair<int, float> temp_lex_prob = foreign_aligned[lhs_src[i]];
- final_lex_e2f *= temp_lex_prob.second / temp_lex_prob.first;
- }
- else //dealing with null alignment
- {
- int temp_count = table.word_translation[pair<WordID,WordID> (lhs_src[i],NULL_)];
- float temp_e2f = (float) temp_count / table.total_english[NULL_];
- final_lex_e2f *= temp_e2f;
- }
-
- }
-
- //compute P(E|F) unaligned english words
- for(int j=0; j< trg.size(); j++) {
- if (!table.total_english.count(trg[j])) continue;
-
- if (english_aligned.count(trg[j]))
- {
- pair<int, float> temp_lex_prob = english_aligned[trg[j]];
- final_lex_f2e *= temp_lex_prob.second / temp_lex_prob.first;
- }
- else //dealing with null
- {
- int temp_count = table.word_translation[pair<WordID,WordID> (NULL_,trg[j])];
- float temp_f2e = (float) temp_count / table.total_foreign[NULL_];
- final_lex_f2e *= temp_f2e;
- }
- }
- result->set_value(e2f_, safenlog(final_lex_e2f));
- result->set_value(f2e_, safenlog(final_lex_f2e));
- }
- const int e2f_, f2e_;
- mutable LexTranslationTable table;
-};
-
-int main(int argc, char** argv){
- po::variables_map conf;
- InitCommandLine(argc, argv, &conf);
- const int max_options = conf["top_e_given_f"].as<size_t>();;
- ifstream alignment (conf["aligned_corpus"].as<string>().c_str());
- istream& unscored_grammar = cin;
- ostream& scored_grammar = cout;
-
- boost::shared_ptr<SourceFilter> filter;
- if (conf.count("test_set"))
- filter.reset(new DumbSuffixTreeFilter(conf["test_set"].as<string>()));
-
- // TODO make this list configurable
- vector<boost::shared_ptr<FeatureExtractor> > extractors;
- if (conf.count("backoff_features")) {
- extractors.push_back(boost::shared_ptr<FeatureExtractor>(new LogRuleCount));
- extractors.push_back(boost::shared_ptr<FeatureExtractor>(new LogECount));
- extractors.push_back(boost::shared_ptr<FeatureExtractor>(new LogFCount));
- extractors.push_back(boost::shared_ptr<FeatureExtractor>(new EGivenFExtractor));
- extractors.push_back(boost::shared_ptr<FeatureExtractor>(new FGivenEExtractor));
- extractors.push_back(boost::shared_ptr<FeatureExtractor>(new LexProbExtractor(conf["aligned_corpus"].as<string>())));
- } else {
- extractors.push_back(boost::shared_ptr<FeatureExtractor>(new LogRuleCount));
- extractors.push_back(boost::shared_ptr<FeatureExtractor>(new LogFCount));
- extractors.push_back(boost::shared_ptr<FeatureExtractor>(new LexProbExtractor(conf["aligned_corpus"].as<string>())));
- }
-
- //score unscored grammar
- cerr <<"Scoring grammar..." << endl;
- char* buf = new char[MAX_LINE_LENGTH];
-
- ID2RuleStatistics acc, cur_counts;
- vector<WordID> key, cur_key,temp_key;
- int line = 0;
-
- const int kLogRuleCount = FD::Convert("LogRuleCount");
- multimap<float, string> options;
- while(!unscored_grammar.eof())
- {
- ++line;
- options.clear();
- unscored_grammar.getline(buf, MAX_LINE_LENGTH);
- if (buf[0] == 0) continue;
- ParseLine(buf, &cur_key, &cur_counts);
- if (!filter || filter->Matches(cur_key)) {
- //loop over all the Target side phrases that this source aligns to
- for (ID2RuleStatistics::const_iterator it = cur_counts.begin(); it != cur_counts.end(); ++it) {
-
- SparseVector<float> feats;
- for (int i = 0; i < extractors.size(); ++i)
- extractors[i]->ExtractFeatures(cur_key, it->first, it->second, &feats);
-
- ostringstream os;
- os << TD::GetString(cur_key)
- << ' ' << TD::GetString(it->first) << " ||| ";
- feats.Write(false, &os);
- options.insert(make_pair(-feats.get(kLogRuleCount), os.str()));
- }
- int ocount = 0;
- for (multimap<float,string>::iterator it = options.begin(); it != options.end(); ++it) {
- scored_grammar << it->second << endl;
- ++ocount;
- if (ocount == max_options) break;
- }
- }
- }
-}
-