de.lmu.ifi.dbs.elki.distance.similarityfunction

Interface PrimitiveSimilarityFunction<O,D extends Distance<?>>

Type Parameters:

O - object type

D - distance type

All Superinterfaces:

Parameterizable, SimilarityFunction<O,D>

All Known Subinterfaces:

NormalizedPrimitiveSimilarityFunction<O>, PrimitiveDoubleSimilarityFunction<O>

All Known Implementing Classes:

AbstractDBIDSimilarityFunction, AbstractPrimitiveSimilarityFunction, AbstractVectorDoubleSimilarityFunction, InvertedDistanceSimilarityFunction, JaccardPrimitiveSimilarityFunction, Kulczynski1SimilarityFunction, Kulczynski2SimilarityFunction, LaplaceKernelFunction, LinearKernelFunction, PolynomialKernelFunction, RadialBasisFunctionKernelFunction, RationalQuadraticKernelFunction, SigmoidKernelFunction

public interface PrimitiveSimilarityFunction<O,D extends Distance<?>>
extends SimilarityFunction<O,D>

Interface SimilarityFunction describes the requirements of any similarity function.

Method Summary

Methods

Modifier and Type	Method and Description
SimpleTypeInformation<? super O>	getInputTypeRestriction() Get the input data type of the function.
D	similarity(O o1, O o2) Computes the similarity between two given DatabaseObjects according to this similarity function.

Methods inherited from interface de.lmu.ifi.dbs.elki.distance.similarityfunction.SimilarityFunction

getDistanceFactory, instantiate, isSymmetric

Method Detail

similarity

D similarity(O o1,
           O o2)

Computes the similarity between two given DatabaseObjects according to this similarity function.

Parameters:

o1 - first DatabaseObject

o2 - second DatabaseObject

Returns:

the similarity between two given DatabaseObjects according to this similarity function

getInputTypeRestriction

SimpleTypeInformation<? super O> getInputTypeRestriction()

Description copied from interface: SimilarityFunction

Get the input data type of the function.

Specified by:

getInputTypeRestriction in interface SimilarityFunction<O,D extends Distance<?>>