bioner.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 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 //    General Public License for more details.
00017 //
00018 //    You should have received a copy of the GNU 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 _BIONER
00030 #define _BIONER
00031 
00032 #include <set>
00033 
00034 #include "fries.h"
00035 #include "omlet.h"
00036 
00037 
00038 
00039 //---------- Visible Viterbi Class  ----------------------------------
00040 
00046 
00047 class vis_viterbi {
00048 
00049   private:
00050 
00052     int N;
00054     std::vector<double> p_ini;
00056     // e.g. P(B,B), P(O,B), etc
00057     std::vector<std::vector<double> > p_trans;
00058 
00059   public:
00061     vis_viterbi (const std::string &);
00062 
00064     std::vector<int> find_best_path (double**, int) const;
00065 
00066 };
00067 
00068 
00069 //---------- bioner Class  ----------------------------------
00070 
00074 
00075 class bioner: public ner {
00076   
00077   private:
00079     std::map<int,std::string> class_name;
00081     fex* extractor;
00083     std::map<std::string,int> lexicon;
00085     adaboost* classifier;
00087     vis_viterbi vit;
00088 
00089   public:
00091     bioner ( const std::string & );
00093     ~bioner();
00094 
00096     //    void analyze ( std::list<sentence> & ) const;
00097     void annotate ( sentence & );
00098     
00100     sentence::iterator BuildMultiword(sentence &, sentence::iterator, sentence::iterator, bool&) const;
00101     void SetMultiwordAnalysis(sentence::iterator) const;
00102     bool ValidMultiWord(const word &) const;
00103 };
00104 
00105 #endif
00106 
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