Class SMNumericThresholdImpl
- java.lang.Object
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- de.uni_trier.wi2.procake.similarity.impl.SimilarityMeasureImpl
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- de.uni_trier.wi2.procake.similarity.base.numeric.impl.SMNumericImpl
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- de.uni_trier.wi2.procake.similarity.base.numeric.impl.SMNumericThresholdImpl
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- All Implemented Interfaces:
SMNumeric
,SMNumericThreshold
,SimilarityMeasure
public class SMNumericThresholdImpl extends SMNumericImpl implements SMNumericThreshold
- Author:
- rmaximi
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Nested Class Summary
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Nested classes/interfaces inherited from interface de.uni_trier.wi2.procake.similarity.base.numeric.SMNumeric
SMNumeric.ZERO_OUT_STRATEGIES
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Field Summary
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Fields inherited from interface de.uni_trier.wi2.procake.similarity.SimilarityMeasure
COMPONENT, COMPONENT_KEY, LOG_ORDER_NAME_NOT_FOUND
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Fields inherited from interface de.uni_trier.wi2.procake.similarity.base.numeric.SMNumeric
DEFAULT_STRATEGY
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Fields inherited from interface de.uni_trier.wi2.procake.similarity.base.numeric.SMNumericThreshold
DEFAULT_THRESHOLD, NAME
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Constructor Summary
Constructors Constructor Description SMNumericThresholdImpl()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description Similarity
compute(DataObject queryObject, DataObject caseObject, SimilarityValuator valuator)
f(d) = \left\{ \begin{array}{r@{\quad:\quad}l} 1 & d < \theta \\ 0 & d \geq \theta \\ \end{array} \right.String
getSystemName()
The system name can be used to distinguish the similarity measures.double
getThreshold()
void
setThreshold(double theta)
Theta is necessary for the sigmoid function and as threshold for the threshold function-
Methods inherited from class de.uni_trier.wi2.procake.similarity.base.numeric.impl.SMNumericImpl
applyAsymmetricSituation, getAsymmetricStrategy, getAtomicClass, isSimilarityFor, setAsymmetricStrategy
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Methods inherited from class de.uni_trier.wi2.procake.similarity.impl.SimilarityMeasureImpl
getDataClass, getName, initialize, initializeBasedOn, isAggregate, isForceOverride, isInterval, isNumeric, isObject, isReusable, isSet, isTable, isTaxonomy, isText, setDataClass, setForceOverride, setName, toString
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
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Methods inherited from interface de.uni_trier.wi2.procake.similarity.SimilarityMeasure
getDataClass, getName, isForceOverride, isReusable, setForceOverride
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Methods inherited from interface de.uni_trier.wi2.procake.similarity.base.numeric.SMNumeric
getAsymmetricStrategy, setAsymmetricStrategy
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Method Detail
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compute
public Similarity compute(DataObject queryObject, DataObject caseObject, SimilarityValuator valuator)
f(d) = \left\{ \begin{array}{r@{\quad:\quad}l} 1 & d < \theta \\ 0 & d \geq \theta \\ \end{array} \right.
- Specified by:
compute
in interfaceSimilarityMeasure
- Parameters:
queryObject
-caseObject
-- Returns:
- a similarity value
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getSystemName
public String getSystemName()
Description copied from interface:SimilarityMeasure
The system name can be used to distinguish the similarity measures. Each similarity measure that can be instantiated contains a static final field called NAME representing the system name, e.g.,SMAggregateEuclidian.NAME
The system name must also be given during initialization, see
SimilarityModel.createSimilarityMeasure(String, DataClass)
.- Specified by:
getSystemName
in interfaceSimilarityMeasure
- Returns:
- The system name of the similarity measure. This is equal to SimilarityMeasure.NAME.
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getThreshold
public double getThreshold()
- Specified by:
getThreshold
in interfaceSMNumericThreshold
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setThreshold
public void setThreshold(double theta)
Description copied from interface:SMNumericThreshold
Theta is necessary for the sigmoid function and as threshold for the threshold function- Specified by:
setThreshold
in interfaceSMNumericThreshold
- Parameters:
theta
- must be greater zero
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