Class PointsClosestToFurthestChildren
- java.lang.Object
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- weka.core.neighboursearch.balltrees.BallSplitter
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- weka.core.neighboursearch.balltrees.PointsClosestToFurthestChildren
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- All Implemented Interfaces:
java.io.Serializable
,OptionHandler
,RevisionHandler
,TechnicalInformationHandler
public class PointsClosestToFurthestChildren extends BallSplitter implements TechnicalInformationHandler
Implements the Moore's method to split a node of a ball tree.
For more information please see section 2 of the 1st and 3.2.3 of the 2nd:
Andrew W. Moore: The Anchors Hierarchy: Using the Triangle Inequality to Survive High Dimensional Data. In: UAI '00: Proceedings of the 16th Conference on Uncertainty in Artificial Intelligence, San Francisco, CA, USA, 397-405, 2000.
Ashraf Masood Kibriya (2007). Fast Algorithms for Nearest Neighbour Search. Hamilton, New Zealand. BibTeX:@inproceedings{Moore2000, address = {San Francisco, CA, USA}, author = {Andrew W. Moore}, booktitle = {UAI '00: Proceedings of the 16th Conference on Uncertainty in Artificial Intelligence}, pages = {397-405}, publisher = {Morgan Kaufmann Publishers Inc.}, title = {The Anchors Hierarchy: Using the Triangle Inequality to Survive High Dimensional Data}, year = {2000} } @mastersthesis{Kibriya2007, address = {Hamilton, New Zealand}, author = {Ashraf Masood Kibriya}, school = {Department of Computer Science, School of Computing and Mathematical Sciences, University of Waikato}, title = {Fast Algorithms for Nearest Neighbour Search}, year = {2007} }
- Version:
- $Revision: 1.2 $
- Author:
- Ashraf M. Kibriya (amk14[at-the-rate]cs[dot]waikato[dot]ac[dot]nz)
- See Also:
- Serialized Form
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Constructor Summary
Constructors Constructor Description PointsClosestToFurthestChildren()
Constructor.PointsClosestToFurthestChildren(int[] instList, Instances insts, EuclideanDistance e)
Constructor.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description java.lang.String
getRevision()
Returns the revision string.TechnicalInformation
getTechnicalInformation()
Returns an instance of a TechnicalInformation object, containing detailed information about the technical background of this class, e.g., paper reference or book this class is based on.java.lang.String
globalInfo()
Returns a string describing this object.void
splitNode(BallNode node, int numNodesCreated)
Splits a ball into two.-
Methods inherited from class weka.core.neighboursearch.balltrees.BallSplitter
getOptions, listOptions, setEuclideanDistanceFunction, setInstanceList, setInstances, setOptions
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Constructor Detail
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PointsClosestToFurthestChildren
public PointsClosestToFurthestChildren()
Constructor.
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PointsClosestToFurthestChildren
public PointsClosestToFurthestChildren(int[] instList, Instances insts, EuclideanDistance e)
Constructor.- Parameters:
instList
- The master index array.insts
- The instances on which the tree is (or is to be) built.e
- The Euclidean distance function to use for splitting.
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Method Detail
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globalInfo
public java.lang.String globalInfo()
Returns a string describing this object.- Returns:
- A description of the algorithm for displaying in the explorer/experimenter gui.
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getTechnicalInformation
public TechnicalInformation getTechnicalInformation()
Returns an instance of a TechnicalInformation object, containing detailed information about the technical background of this class, e.g., paper reference or book this class is based on.- Specified by:
getTechnicalInformation
in interfaceTechnicalInformationHandler
- Returns:
- The technical information about this class.
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splitNode
public void splitNode(BallNode node, int numNodesCreated) throws java.lang.Exception
Splits a ball into two.- Specified by:
splitNode
in classBallSplitter
- Parameters:
node
- The node to split.numNodesCreated
- The number of nodes that so far have been created for the tree, so that the newly created nodes are assigned correct/meaningful node numbers/ids.- Throws:
java.lang.Exception
- If there is some problem in splitting the given node.
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getRevision
public java.lang.String getRevision()
Returns the revision string.- Specified by:
getRevision
in interfaceRevisionHandler
- Overrides:
getRevision
in classBallSplitter
- Returns:
- the revision
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