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RelDocUnigramCounter.hpp

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00001 /*==========================================================================
00002  * Copyright (c) 2002 University of Massachusetts.  All Rights Reserved.
00003  *
00004  * Use of the Lemur Toolkit for Language Modeling and Information Retrieval
00005  * is subject to the terms of the software license set forth in the LICENSE
00006  * file included with this software, and also available at
00007  * http://www.lemurproject.org/license.html
00008  *
00009  *==========================================================================
00010  */
00011 
00012 /*
00013   author: fff
00014 */
00015 #ifndef _RELDOCUNIGRAMCOUNTER_HPP
00016 #define _RELDOCUNIGRAMCOUNTER_HPP
00017 
00018 #include "common_headers.hpp"
00019 #include "WeightedIDSet.hpp"
00020 #include "Counter.hpp"
00021 #include "Index.hpp"
00022 #include <cmath>
00023 namespace lemur 
00024 {
00025   namespace langmod 
00026   {
00027     
00030 
00031     class RelDocUnigramCounter : public lemur::utility::ArrayCounter <double> {
00032     public:
00034       RelDocUnigramCounter(lemur::api::DOCID_T docID, const lemur::api::Index &homeIndex);
00035 
00037       RelDocUnigramCounter(const lemur::utility::WeightedIDSet &docSet, const lemur::api::Index &homeIndex);
00038 
00039       virtual ~RelDocUnigramCounter() {}
00040       const string lexiconID() const { return (ind.termLexiconID());}
00041 
00042     protected:
00045       void countRelDocUnigram(lemur::api::DOCID_T docID, double weight=1);
00046 
00047       const lemur::api::Index &ind;
00048     };
00049  
00050   }
00051 }
00052 
00053 #endif /* _RELDOCUNIGRAMCOUNTER_HPP */

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