Class ERiCNeighborPredicate
- java.lang.Object
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- elki.clustering.dbscan.predicates.ERiCNeighborPredicate
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- All Implemented Interfaces:
NeighborPredicate<DBIDs>
@Reference(authors="Elke Achtert, Christian B\u00f6hm, Hans-Peter Kriegel, Peer Kr\u00f6ger, Arthur Zimek", title="On Exploring Complex Relationships of Correlation Clusters", booktitle="Proc. 19th Int. Conf. Scientific and Statistical Database Management (SSDBM 2007)", url="https://doi.org/10.1109/SSDBM.2007.21", bibkey="DBLP:conf/ssdbm/AchtertBKKZ07") public class ERiCNeighborPredicate extends java.lang.Object implements NeighborPredicate<DBIDs>
ERiC neighborhood predicate.Reference:
Elke Achtert, Christian Böhm, Hans-Peter Kriegel, Peer Kröger, Arthur Zimek
On Exploring Complex Relationships of Correlation Clusters
Proc. 19th Int. Conf. Scientific and Statistical Database Management (SSDBM 2007)TODO: improve performance by allowing index support for finding neighbors and/or exploiting the data partitioning better.
- Since:
- 0.7.0
- Author:
- Elke Achtert, Erich Schubert
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Nested Class Summary
Nested Classes Modifier and Type Class Description class
ERiCNeighborPredicate.Instance
Instance for a particular data set.static class
ERiCNeighborPredicate.Par
Parameterization class.
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Field Summary
Fields Modifier and Type Field Description private double
deltasq
Squared delta value.private static Logging
LOG
The logger for this class.protected ERiC.Settings
settings
ERiC parameters
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Constructor Summary
Constructors Constructor Description ERiCNeighborPredicate(ERiC.Settings settings)
Constructor.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description TypeInformation
getInputTypeRestriction()
Input data type restriction.SimpleTypeInformation<DBIDs>
getOutputType()
Output data type information.ERiCNeighborPredicate.Instance
instantiate(Database database)
Instantiate for a database.ERiCNeighborPredicate.Instance
instantiate(Relation<? extends NumberVector> relation)
Full instantiation interface.
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Field Detail
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LOG
private static final Logging LOG
The logger for this class.
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settings
protected final ERiC.Settings settings
ERiC parameters
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deltasq
private double deltasq
Squared delta value.
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Constructor Detail
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ERiCNeighborPredicate
public ERiCNeighborPredicate(ERiC.Settings settings)
Constructor.- Parameters:
settings
- ERiC settings
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Method Detail
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instantiate
public ERiCNeighborPredicate.Instance instantiate(Database database)
Description copied from interface:NeighborPredicate
Instantiate for a database.- Specified by:
instantiate
in interfaceNeighborPredicate<DBIDs>
- Parameters:
database
- Database to instantiate for- Returns:
- Instance
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instantiate
public ERiCNeighborPredicate.Instance instantiate(Relation<? extends NumberVector> relation)
Full instantiation interface.- Parameters:
relation
- Relation- Returns:
- Instance
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getInputTypeRestriction
public TypeInformation getInputTypeRestriction()
Description copied from interface:NeighborPredicate
Input data type restriction.- Specified by:
getInputTypeRestriction
in interfaceNeighborPredicate<DBIDs>
- Returns:
- Type restriction
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getOutputType
public SimpleTypeInformation<DBIDs> getOutputType()
Description copied from interface:NeighborPredicate
Output data type information.- Specified by:
getOutputType
in interfaceNeighborPredicate<DBIDs>
- Returns:
- Type information
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