infomat.algorithms.projection
Class ProjectionSimilarity

java.lang.Object
  infomat.vectorspace.similarity.ISimilarity
      infomat.vectorspace.similarity.DenseISimilarity
          infomat.algorithms.projection.ProjectionSimilarity

All Implemented Interfaces:

HasProperties

public class ProjectionSimilarity
extends DenseISimilarity

Similarity measure for a projected matrix representation. A dense representation.

Field Summary

private java.util.HashMap<IObject,float[]>

ioReprMap

Fields inherited from class infomat.vectorspace.similarity.ISimilarity

properties

Constructor Summary

ProjectionSimilarity()

Method Summary

private void	add(float[] cumulator, float[] addition)
Properties	getDefaultProperties()
float[]	getGroupRepresentation(IObjectGroup iog)
java.lang.String	getName()
Properties	getProperties()
java.lang.Object	getPropertyValue(java.lang.String name)
float[]	getRepresentation(IObject io)
float[]	getUnnormalizedGroupRepresentation(IObjectGroup iog)
private void	normalize(float[] repr)
void	normalizeAll()
protected void	put(IObject io, float[] repr)
void	setProperties(Properties properties)
void	setProperty(java.lang.String name, java.lang.Object value)
float	sim(float[] repr1, float[] repr2)
float	sim(IObjectGroup iog1, IObjectGroup iog2)
float	sim(IObject io1, IObject io2)
float	sim(IObject io, IObjectGroup iog)

Methods inherited from class java.lang.Object

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

Field Detail

ioReprMap

private java.util.HashMap<IObject,float[]> ioReprMap

Constructor Detail

ProjectionSimilarity

public ProjectionSimilarity()

Method Detail

getDefaultProperties

public Properties getDefaultProperties()

getPropertyValue

public java.lang.Object getPropertyValue(java.lang.String name)

setProperty

public void setProperty(java.lang.String name,
                        java.lang.Object value)
                 throws PropertyNotFoundException

Throws:

PropertyNotFoundException

getProperties

public Properties getProperties()

setProperties

public void setProperties(Properties properties)

put

protected void put(IObject io,
                   float[] repr)

sim

public float sim(IObject io1,
                 IObject io2)

Specified by:

sim in class ISimilarity

sim

public float sim(IObject io,
                 IObjectGroup iog)

Specified by:

sim in class ISimilarity

sim

public float sim(IObjectGroup iog1,
                 IObjectGroup iog2)

Specified by:

sim in class ISimilarity

sim

public float sim(float[] repr1,
                 float[] repr2)

Specified by:

sim in class DenseISimilarity

getRepresentation

public float[] getRepresentation(IObject io)

Specified by:

getRepresentation in class DenseISimilarity

normalizeAll

public void normalizeAll()

normalize

private void normalize(float[] repr)

getGroupRepresentation

public float[] getGroupRepresentation(IObjectGroup iog)

Specified by:

getGroupRepresentation in class DenseISimilarity

getUnnormalizedGroupRepresentation

public float[] getUnnormalizedGroupRepresentation(IObjectGroup iog)

Specified by:

getUnnormalizedGroupRepresentation in class DenseISimilarity

add

private void add(float[] cumulator,
                 float[] addition)

getName

public java.lang.String getName()

Specified by:

getName in class ISimilarity