de.lmu.ifi.dbs.elki.algorithm.clustering.gdbscan

Class FourCCorePredicate

java.lang.Object

de.lmu.ifi.dbs.elki.algorithm.clustering.gdbscan.FourCCorePredicate

All Implemented Interfaces:

CorePredicate<PreDeConNeighborPredicate.PreDeConModel>

@Reference(authors="Christian B\u00f6hm, Karin Kailing, Peer Kr\u00f6ger, Arthur Zimek",
           title="Computing Clusters of Correlation Connected Objects",
           booktitle="Proc. ACM SIGMOD Int. Conf. on Management of Data (SIGMOD 2004)",
           url="https://doi.org/10.1145/1007568.1007620",
           bibkey="DBLP:conf/sigmod/BohmKKZ04")
public class FourCCorePredicate
extends java.lang.Object
implements CorePredicate<PreDeConNeighborPredicate.PreDeConModel>

The 4C core point predicate.

Reference:

Christian Böhm, Karin Kailing, Peer Kröger, Arthur Zimek
Computing Clusters of Correlation Connected Objects
Proc. ACM SIGMOD Int. Conf. on Management of Data (SIGMOD 2004)

Since:

0.7.0

Author:

Erich Schubert

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	FourCCorePredicate.Instance Instance for a particular data set.
static class	FourCCorePredicate.Parameterizer Parameterization class

Field Summary

Fields

Modifier and Type	Field and Description
protected FourC.Settings	settings The PreDeCon settings class.

Constructor Summary

Constructors

Constructor and Description
FourCCorePredicate(FourC.Settings settings) Default constructor.

Method Summary

Modifier and Type	Method and Description
boolean	acceptsType(SimpleTypeInformation<? extends PreDeConNeighborPredicate.PreDeConModel> type) Test whether the neighborhood type T is accepted by this predicate.
FourCCorePredicate.Instance	instantiate(Database database) Instantiate for a database.

Methods inherited from class java.lang.Object

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

Field Detail

settings

protected FourC.Settings settings

The PreDeCon settings class.

Constructor Detail

FourCCorePredicate

public FourCCorePredicate(FourC.Settings settings)

Default constructor.

Parameters:

settings - PreDeCon settings

Method Detail

instantiate

public FourCCorePredicate.Instance instantiate(Database database)

Description copied from interface: CorePredicate

Instantiate for a database.

Specified by:

instantiate in interface CorePredicate<PreDeConNeighborPredicate.PreDeConModel>

Parameters:

database - Database to instantiate for

Returns:

Instance

acceptsType

public boolean acceptsType(SimpleTypeInformation<? extends PreDeConNeighborPredicate.PreDeConModel> type)

Description copied from interface: CorePredicate

Test whether the neighborhood type T is accepted by this predicate.

Specified by:

acceptsType in interface CorePredicate<PreDeConNeighborPredicate.PreDeConModel>

Parameters:

type - Type information

Returns:

true when the type is accepted