de.lmu.ifi.dbs.elki.distance.distancefunction.subspace

Class HiSCDistanceFunction<V extends NumberVector<?>>

java.lang.Object

de.lmu.ifi.dbs.elki.distance.distancefunction.AbstractDatabaseDistanceFunction<O,D>

de.lmu.ifi.dbs.elki.distance.distancefunction.AbstractIndexBasedDistanceFunction<V,P,PreferenceVectorBasedCorrelationDistance>

de.lmu.ifi.dbs.elki.distance.distancefunction.subspace.AbstractPreferenceVectorBasedCorrelationDistanceFunction<V,HiSCPreferenceVectorIndex<V>>

de.lmu.ifi.dbs.elki.distance.distancefunction.subspace.HiSCDistanceFunction<V>

Type Parameters:

V - the type of NumberVector to compute the distances in between

All Implemented Interfaces:

DistanceFunction<V,PreferenceVectorBasedCorrelationDistance>, IndexBasedDistanceFunction<V,PreferenceVectorBasedCorrelationDistance>, Parameterizable

public class HiSCDistanceFunction<V extends NumberVector<?>>
extends AbstractPreferenceVectorBasedCorrelationDistanceFunction<V,HiSCPreferenceVectorIndex<V>>

Distance function used in the HiSC algorithm.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	HiSCDistanceFunction.Instance<V extends NumberVector<?>> The actual instance bound to a particular database.
static class	HiSCDistanceFunction.Parameterizer<V extends NumberVector<?>> Parameterization class.

Field Summary

Fields

Modifier and Type	Field and Description
private static Logging	LOG Logger for debug.

Fields inherited from class de.lmu.ifi.dbs.elki.distance.distancefunction.subspace.AbstractPreferenceVectorBasedCorrelationDistanceFunction

EPSILON_ID

Fields inherited from class de.lmu.ifi.dbs.elki.distance.distancefunction.AbstractIndexBasedDistanceFunction

indexFactory

Fields inherited from interface de.lmu.ifi.dbs.elki.distance.distancefunction.IndexBasedDistanceFunction

INDEX_ID

Constructor Summary

Constructors

Constructor and Description
HiSCDistanceFunction(HiSCPreferenceVectorIndex.Factory<V> indexFactory, double epsilon) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
<T extends V> HiSCDistanceFunction.Instance<T>	instantiate(Relation<T> database) Instantiate with a database to get the actual distance query.

Methods inherited from class de.lmu.ifi.dbs.elki.distance.distancefunction.subspace.AbstractPreferenceVectorBasedCorrelationDistanceFunction

equals, getDistanceFactory, getEpsilon

Methods inherited from class de.lmu.ifi.dbs.elki.distance.distancefunction.AbstractIndexBasedDistanceFunction

getInputTypeRestriction, isMetric, isSymmetric

Methods inherited from class java.lang.Object

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

Field Detail

LOG

private static final Logging LOG

Logger for debug.

Constructor Detail

HiSCDistanceFunction

public HiSCDistanceFunction(HiSCPreferenceVectorIndex.Factory<V> indexFactory,
                    double epsilon)

Constructor.

Parameters:

indexFactory - HiSC index factory

epsilon - Epsilon value

Method Detail

instantiate

public <T extends V> HiSCDistanceFunction.Instance<T> instantiate(Relation<T> database)

Description copied from interface: DistanceFunction

Instantiate with a database to get the actual distance query.

Parameters:

database - The representation to use

Returns:

Actual distance query.