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>, InspectionUtilFrequentlyScanned, Parameterizable

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

Distance function used in the HiSC algorithm.

Nested Class Summary

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

(package private) static Logging

logger 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

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

Method Summary

<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

logger

static Logging logger

Logger for debug.

Constructor Detail

HiSCDistanceFunction

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

Constructor.

Parameters:

indexFactory -

epsilon -

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.