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relax_tagger.h

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00001 
00002 //
00003 //    FreeLing - Open Source Language Analyzers
00004 //
00005 //    Copyright (C) 2004   TALP Research Center
00006 //                         Universitat Politecnica de Catalunya
00007 //
00008 //    This library is free software; you can redistribute it and/or
00009 //    modify it under the terms of the GNU Lesser General Public
00010 //    License as published by the Free Software Foundation; either
00011 //    version 2.1 of the License, or (at your option) any later version.
00012 //
00013 //    This library is distributed in the hope that it will be useful,
00014 //    but WITHOUT ANY WARRANTY; without even the implied warranty of
00015 //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00016 //    Lesser General Public License for more details.
00017 //
00018 //    You should have received a copy of the GNU Lesser General Public
00019 //    License along with this library; if not, write to the Free Software
00020 //    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
00021 //
00022 //    contact: Lluis Padro (padro@lsi.upc.es)
00023 //             TALP Research Center
00024 //             despatx C6.212 - Campus Nord UPC
00025 //             08034 Barcelona.  SPAIN
00026 //
00028 
00029 #ifndef _RELAX_TAGGER
00030 #define _RELAX_TAGGER
00031 
00032 #include <list> 
00033 #include <string>
00034 
00035 #include "language.h"
00036 #include "tagger.h"
00037 #include "relax.h"
00038 #include "constraint_grammar.h"
00039 
00040 using namespace std;
00041 
00042 
00050 
00051 class relax_tagger : public POS_tagger {
00052    private:
00054       relax solver;
00056       constraint_grammar c_gram;
00057 
00060       bool CheckCondition(const sentence &, sentence::const_iterator, int, 
00061                           const condition &, list<list<pair<int,int> > > &) const;
00064       bool CheckWordMatchCondition(const list<string> &, bool, int, sentence::const_iterator,
00065                                    list<pair<int,int> > &) const;
00067       bool check_possible_matching(const string &, word::const_iterator,
00068                                    sentence::const_iterator) const; 
00070       bool check_match(const string &, const string &) const;
00071 
00072    public:
00074        relax_tagger(const string &, int, double, double, bool);
00075 
00077        void analyze(list<sentence> &);
00079        list<sentence> analyze(const list<sentence> &);
00080 };
00081 
00082 
00083 #endif

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