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probabilities.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 _PROBABILITIES
00030 #define _PROBABILITIES
00031 
00032 #include <map>
00033 
00034 #include "maco_options.h"
00035 #include "language.h"
00036 
00037 using namespace std;
00038 
00043 
00044 class probabilities {
00045    private:
00046       // Probability threshold for unknown words tags
00047       double MACO_ProbabilityThreshold;
00048       string Language;
00049 
00051       map<string,double> single_tags;
00053       map<string,map<string,double> > class_tags;
00055       map<string,map<string,double> > lexical_tags;
00057       map<string,double> unk_tags;
00059       map<string,map<string,double> > unk_suffs;
00061       double theeta;
00063       unsigned int long_suff;
00064 
00066       double compute_probability(const string &, double, string);
00067 
00068    public:
00070       probabilities(const maco_options &);
00071 
00073       void annotate(sentence &);
00074 
00075 };
00076 
00077 #endif

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