leila.classifiers
Class KNNClassifier

java.lang.Object
  leila.classifiers.Classifier
      leila.classifiers.KNNClassifier

All Implemented Interfaces:

java.io.Serializable

public class KNNClassifier
extends Classifier

This class is part of LEILA (http://mpii.de/yago-naga/leila). It is licensed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0) by the author Fabian M. Suchanek (http://suchanek.name).

Classifier.java represents a simple KNN-Classifier for a set of StoredFeatureObjects.

See Also:

Serialized Form

Field Summary

static double

blackHole All feature objects more similar than this value fall into the same equivalence class

Fields inherited from class leila.classifiers.Classifier

bridgeMap, isContracted, numFeatureObjects

Constructor Summary

KNNClassifier()

Method Summary

void	add(LinkagePattern o) Adds a new LinkagePattern
double	classify(LinkagePattern o) Returns a similarity measure
void	printTo(java.io.Writer o) Prints this classifier
java.lang.String	toString() Returns the list of featureObjects, might be long, so use printTo instead!
void	train() Contracts the data

Methods inherited from class leila.classifiers.Classifier

print

Methods inherited from class java.lang.Object

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

Field Detail

blackHole

public static double blackHole

All feature objects more similar than this value fall into the same equivalence class

Constructor Detail

KNNClassifier

public KNNClassifier()

Method Detail

add

public void add(LinkagePattern o)
         throws java.lang.Exception

Adds a new LinkagePattern

Specified by:

add in class Classifier

Throws:

java.lang.Exception

toString

public java.lang.String toString()

Returns the list of featureObjects, might be long, so use printTo instead!

Overrides:

toString in class Classifier

classify

public double classify(LinkagePattern o)
                throws java.lang.Exception

Returns a similarity measure

Specified by:

classify in class Classifier

Throws:

java.lang.Exception

printTo

public void printTo(java.io.Writer o)
             throws java.lang.Exception

Description copied from class: Classifier

Prints this classifier

Specified by:

printTo in class Classifier

Throws:

java.lang.Exception

train

public void train()
           throws java.lang.Exception

Contracts the data

Specified by:

train in class Classifier

Throws:

java.lang.Exception