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LocalityImprovedStringKernel.h
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1 /*
2  * This program is free software; you can redistribute it and/or modify
3  * it under the terms of the GNU General Public License as published by
4  * the Free Software Foundation; either version 3 of the License, or
5  * (at your option) any later version.
6  *
7  * Written (W) 1999-2008 Gunnar Raetsch
8  * Written (W) 1999-2008 Soeren Sonnenburg
9  * Copyright (C) 1999-2009 Fraunhofer Institute FIRST and Max-Planck-Society
10  */
11 
12 #ifndef _LOCALITYIMPROVEDSTRINGKERNEL_H___
13 #define _LOCALITYIMPROVEDSTRINGKERNEL_H___
14 
15 #include <shogun/lib/config.h>
16 
17 #include <shogun/lib/common.h>
19 
20 namespace shogun
21 {
33 {
34  public:
37 
45  CLocalityImprovedStringKernel(int32_t size, int32_t length,
46  int32_t inner_degree, int32_t outer_degree);
47 
58  int32_t length, int32_t inner_degree, int32_t outer_degree);
59 
61 
68  virtual bool init(CFeatures* l, CFeatures* r);
69 
75 
80  virtual const char* get_name() const { return "LocalityImprovedStringKernel"; }
81 
82  protected:
91  float64_t compute(int32_t idx_a, int32_t idx_b);
92 
93  private:
94  void init();
95 
96  protected:
98  int32_t length;
100  int32_t inner_degree;
102  int32_t outer_degree;
103 };
104 }
105 #endif /* _LOCALITYIMPROVEDSTRINGKERNEL_H__ */
EKernelType
Definition: Kernel.h:57
virtual bool init(CFeatures *l, CFeatures *r)
double float64_t
Definition: common.h:50
float64_t compute(int32_t idx_a, int32_t idx_b)
all of classes and functions are contained in the shogun namespace
Definition: class_list.h:18
The class Features is the base class of all feature objects.
Definition: Features.h:68
Template class StringKernel, is the base class of all String Kernels.
Definition: StringKernel.h:26
The LocalityImprovedString kernel is inspired by the polynomial kernel. Comparing neighboring charact...

SHOGUN Machine Learning Toolbox - Documentation