CORIMergeMethod.hpp

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/*==========================================================================
 * Copyright (c) 2001 Carnegie Mellon University.  All Rights Reserved.
 *
 * Use of the Lemur Toolkit for Language Modeling and Information Retrieval
 * is subject to the terms of the software license set forth in the LICENSE
 * file included with this software, and also available at
 * http://www.lemurproject.org/license.html
 *
 *==========================================================================
 */

#ifndef _CORIMERGEMETHOD_HPP
#define _CORIMERGEMETHOD_HPP


#include "DistMergeMethod.hpp"
namespace lemur
{
  namespace distrib
  {
    


    class CORIMergeMethod: public DistMergeMethod {
    public:
      CORIMergeMethod(double constA=0.4, double constB=1.4);
      ~CORIMergeMethod();

    protected:
      double score(double dbscore, double docscore) const;

    private:
      double A;    // a constant for the formula. default is 0.4
      double B;    // a constant for the formula. default is 1.4
    };
  }
}

#endif

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