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42 lines
1.2 KiB
C++
42 lines
1.2 KiB
C++
/*
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* File: lexdecom.h
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* Author: Felipe Sánchez-Martínez, Universitat d'Alacant <fsanchez@dlsi.ua.es>
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*
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* Created on 2010/01/27
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*/
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#ifndef _LEXDECOM_H
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#define _LEXDECOM_H
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#include "phrasetable.h"
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#include "scorer.h"
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class LexicalDecompositionPhraseScorer : public PhraseScorer
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{
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private:
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explicit LexicalDecompositionPhraseScorer(PhraseTable &pd, bool reverse, const String &lwfile,
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const char *argv[], int &argp, const PhraseScorerFactory &ptf);
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virtual void do_score_phrases();
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virtual Score do_get_score(const PhraseTable::const_iterator &it);
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Score get_weight(const String &s_src, const String &s_tgt) const;
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Score get_weight(Count src, Count tgt) const;
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typedef std::map<std::pair<Count,Count>, Score> WeightMapType_;
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WeightMapType_ weight_map_;
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// p(J|I) = probability of source-length J given target-length I
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std::map<unsigned, std::map<unsigned, Score> > prob_srclen_tgtlen_;
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Score get_noisy_or_combination(Count src_word, PhraseInfo &tgt_phrase);
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PhraseScorer* black_box_scorer;
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public:
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static PhraseScorer *create_scorer(const char *argv[], int &argp, bool reverse, const PhraseScorerFactory &ptf);
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};
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#endif /* _LEXDECOM_H */
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