FreeLing
4.0
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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 3 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 00030 // 00031 // Author: Jordi Turmo 00032 // e-mail: turmo@lsi.upc.edu 00033 // 00035 00036 #ifndef RELAXCOR_MODEL_H 00037 #define RELAXCOR_MODEL_H 00038 00039 #include "freeling/windll.h" 00040 00041 namespace freeling { 00042 00046 00047 class relaxcor_model { 00048 00049 public: 00050 00051 // type representing the feature names with their IDs 00052 typedef std::map<std::wstring, unsigned int> TfeaturesNames; 00053 // type representing the sparse feature vector for any pairwise model 00054 typedef std::map<unsigned int,bool> Tfeatures; 00055 00056 protected: 00057 00059 TfeaturesNames _Feature_names; 00060 00062 void print_feature_names() const; 00063 00064 public: 00065 00066 00067 relaxcor_model(const std::wstring&); 00068 virtual ~relaxcor_model() {}; 00069 00071 bool is_feature_name(const std::wstring&) const; 00073 unsigned int feature_name_id(const std::wstring&); 00074 00076 TfeaturesNames::const_iterator begin_features() const; 00077 TfeaturesNames::const_iterator end_features() const; 00078 00082 00083 virtual double weight(const Tfeatures&) const = 0; 00084 virtual void print() const = 0; 00085 00086 // print a feature vector (or constraint condition vector) 00087 // (activeonly = optional flag to omit printing non-active features) 00088 static std::wstring print(const Tfeatures &f, bool activeonly=false); 00089 }; 00090 00091 } //namespace 00092 00093 #endif