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// -*- mode: c++; indent-tabs-mode: nil; tab-width: 2 -*-
#pragma once
#include <string>
#include <vector>
#include "OptionsBaseClass.h"
namespace Moses2
{
// Options for mimum bayes risk decoding
struct
LMBR_Options : public OptionsBaseClass {
bool enabled;
bool use_lattice_hyp_set; //! to use nbest as hypothesis set during lattice MBR
float precision; //! unigram precision theta - see Tromble et al 08 for more details
float ratio; //! decaying factor for ngram thetas - see Tromble et al 08
float map_weight; //! Weight given to the map solution. See Kumar et al 09
size_t pruning_factor; //! average number of nodes per word wanted in pruned lattice
std::vector<float> theta; //! theta(s) for lattice mbr calculation
bool init(Parameter const& param);
LMBR_Options();
};
}
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