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// crm_expr_classify.c - learn and classify functions for different schema
// Copyright 2001-2009 William S. Yerazunis.
// This file is under GPLv3, as described in COPYING.
// include some standard files
#include "crm114_sysincludes.h"
// include any local crm114 configuration file
#include "crm114_config.h"
// include the crm114 data structures file
#include "crm114_structs.h"
// include the routine declarations file
#include "crm114.h"
// OSBF declarations
#include "crm114_osbf.h"
// Dispatch a LEARN statement
//
int crm_expr_learn (CSL_CELL *csl, ARGPARSE_BLOCK *apb)
{
char *txt;
long start;
long len;
int retval;
long long classifier_flags = 0;
if (crm_exec_box_restriction(csl, apb, &txt, &start, &len) != 0)
return 0;
// get our flags... the only ones we're interested in here
// are the ones that specify _which_ algorithm to use.
classifier_flags = apb->sflags;
// Joe thinks that this should be a table or a loop.
classifier_flags = classifier_flags &
( CRM_OSB_BAYES | CRM_CORRELATE | CRM_OSB_WINNOW | CRM_OSBF
| CRM_HYPERSPACE | CRM_ENTROPY | CRM_SVM | CRM_SKS | CRM_FSCM
| CRM_NEURAL_NET | CRM_PCA);
if (classifier_flags & CRM_OSB_BAYES)
{
retval = crm_expr_osb_bayes_learn (csl, apb, txt, start, len);
}
else
if (classifier_flags & CRM_CORRELATE)
{
retval = crm_expr_correlate_learn (csl, apb, txt, start, len);
}
else
if (classifier_flags & CRM_OSB_WINNOW)
{
retval = crm_expr_osb_winnow_learn (csl, apb, txt, start, len);
}
else
if (classifier_flags & CRM_OSBF )
{
retval = crm_expr_osbf_bayes_learn (csl, apb, txt, start, len);
}
else
if (classifier_flags & CRM_HYPERSPACE)
{
retval = crm_expr_osb_hyperspace_learn(csl, apb, txt, start, len);
}
else
if (classifier_flags & CRM_ENTROPY)
{
retval = crm_expr_bit_entropy_learn(csl, apb, txt, start, len);
}
else
#ifndef PRODUCTION_CLASSIFIERS_ONLY
if (classifier_flags & CRM_SVM)
{
//retval = crm_expr_svm_learn(csl, apb, txt, start, len);
retval = crm_svm_learn(csl, apb, txt, start, len);
}
else
if (classifier_flags & CRM_SKS)
{
retval = crm_expr_sks_learn(csl, apb, txt, start, len);
}
else
if (classifier_flags & CRM_FSCM)
{
retval = crm_fast_substring_learn(csl, apb, txt, start, len);
}
else
if (classifier_flags & CRM_NEURAL_NET)
{
retval = crm_neural_net_learn (csl, apb, txt, start, len);
}
else
if (classifier_flags & CRM_PCA)
{
retval = crm_pca_learn(csl, apb, txt, start, len);
}
else
#endif // !PRODUCTION_CLASSIFIERS_ONLY
{
// Default with no classifier specified is Markov
apb->sflags = apb->sflags | CRM_MARKOVIAN;
retval = crm_expr_markov_learn (csl, apb, txt, start, len);
};
return (retval);
}
// Dispatch a CLASSIFY statement
//
int crm_expr_classify (CSL_CELL *csl, ARGPARSE_BLOCK *apb)
{
char *txt;
long start;
long len;
long retval;
long long classifier_flags = 0;
if (crm_exec_box_restriction(csl, apb, &txt, &start, &len) != 0)
return 0;
// get our flags... the only ones we're interested in here
// are the ones that specify _which_ algorithm to use.
classifier_flags = apb->sflags;
classifier_flags = classifier_flags &
( CRM_OSB_BAYES | CRM_CORRELATE | CRM_OSB_WINNOW | CRM_OSBF
| CRM_HYPERSPACE | CRM_ENTROPY | CRM_SVM | CRM_SKS | CRM_FSCM
| CRM_NEURAL_NET | CRM_PCA);
if (classifier_flags & CRM_OSB_BAYES)
{
retval = crm_expr_osb_bayes_classify (csl, apb, txt, start, len);
}
else
if (classifier_flags & CRM_CORRELATE)
{
retval = crm_expr_correlate_classify (csl, apb, txt, start, len);
}
else
if (classifier_flags & CRM_OSB_WINNOW)
{
retval = crm_expr_osb_winnow_classify (csl, apb, txt, start, len);
}
else
if (classifier_flags & CRM_OSBF )
{
retval = crm_expr_osbf_bayes_classify (csl, apb, txt, start, len);
}
else
if (classifier_flags & CRM_HYPERSPACE)
{
retval = crm_expr_osb_hyperspace_classify (csl, apb, txt, start, len);
}
else
if (classifier_flags & CRM_ENTROPY)
{
retval = crm_expr_bit_entropy_classify (csl, apb, txt, start, len);
}
else
#ifndef PRODUCTION_CLASSIFIERS_ONLY
if (classifier_flags & CRM_SVM)
{
//retval = crm_expr_svm_classify (csl, apb, txt, start, len);
retval = crm_svm_classify (csl, apb, txt, start, len);
}
else
if (classifier_flags & CRM_SKS)
{
retval = crm_expr_sks_classify (csl, apb, txt, start, len);
}
else
if (classifier_flags & CRM_FSCM)
{
retval = crm_fast_substring_classify (csl, apb, txt, start, len);
}
else
if (classifier_flags & CRM_NEURAL_NET)
{
retval = crm_neural_net_classify (csl, apb, txt, start, len);
}
else
if (classifier_flags & CRM_PCA)
{
retval = crm_pca_classify(csl, apb, txt, start, len);
}
else
#endif // !PRODUCTION_CLASSIFIERS_ONLY
{
// Default with no classifier specified is Markov
apb->sflags = apb->sflags | CRM_MARKOVIAN;
retval = crm_expr_markov_classify (csl, apb, txt, start, len);
};
return (0);
}
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