javatools.datatypes

Class SVMModel

java.lang.Object

javatools.datatypes.SVMModel

All Implemented Interfaces:

java.io.Serializable

public class SVMModel
extends java.lang.Object
implements java.io.Serializable

This class is part of the Java Tools (see http://mpii.de/yago-naga/javatools). It is licensed under the Creative Commons Attribution License (see http://creativecommons.org/licenses/by/3.0) by the YAGO-NAGA team (see http://mpii.de/yago-naga). This class implements an SVM-light-Model. This code is the Java-translation of Thorsten Joachim's SVM-light classifier (with permission by the author), see http://svmlight.joachims.org/

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	SVMModel.KernelType Defines the enum of the Kernel-type (LINEAR,POLY,RBF,SIGMOID)

Constructor Summary

Constructors

Constructor and Description
SVMModel(java.io.File f) Reads the SVMModel from a SVM-light model file
SVMModel(java.lang.String f) Reads the SVMModel from an SVM-light model file

Method Summary

Modifier and Type	Method and Description
double	classify(SparseVector v) Classifies a SparseVector
double	kernel(SparseVector a, SparseVector b) Computes a kernel
static void	main(java.lang.String[] argv) Test routine
java.lang.String	toString() Returns this model as a descriptive string

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

SVMModel

public SVMModel(java.lang.String f)
         throws java.lang.Exception

Reads the SVMModel from an SVM-light model file

Throws:

java.lang.Exception

SVMModel

public SVMModel(java.io.File f)
         throws java.lang.Exception

Reads the SVMModel from a SVM-light model file

Throws:

java.lang.Exception

Method Detail

classify

public double classify(SparseVector v)

Classifies a SparseVector

kernel

public double kernel(SparseVector a,
                     SparseVector b)

Computes a kernel

toString

public java.lang.String toString()

Returns this model as a descriptive string

Overrides:

toString in class java.lang.Object

main

public static void main(java.lang.String[] argv)
                 throws java.lang.Exception

Test routine

Throws:

java.lang.Exception