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时间序列时序关联规则挖掘研究(6)

发布时间:2021-06-06   来源:未知    
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ABSTRACT些兰里坠璺

Temporalassociationrulesoftimeseriesalethetemporalconstrainingassociationamongpartlychangesoftimeseries.Partlychangesoftimeseriesthemselveshavetimesequence,SOtimeorderiSacharacteristicoftheassociation.Timeserieshavethecharacteristicsofdatadensenessandstochasticfluctuation,andtemporalassociationrulesofpartly

SOchangesareimpliedinthelargedataset,therulescallbeobtainedonlythroughdatamining.

isaTheminingoftemporalassociationrulesoftimeseries

engineering,which

datasystematicCanbedividedintotimeseriesdatapre-processing,timeseriesseriesdatasimilaritymeasure,therequirementoftemporalcompression,time

associationrulesandtheinterpretationandevaluationoftemporalassociation

arules.Theresearch

lot,butisfarfromonminingmethodsoftemporalassociationruleshasgainedmainpointsareaspeffection.Thefollows.

statisticsishardtOgainthe

on(1)Inrecognizingoutlier,themethodbasedonsample’Sdistributionparameter,themethodbased

changetheauthenticityoforiginaltime

ratiohasawavelettransformwillonseries,andthemethodbasedlikelihoodlargeamountofcalculation.

given

enduplengthwith(2)Inandminingtheclassicaltemporalassociationrules,thetimeseriesarediscreditedintosequentialpatternsbytheslidingwindowwiththesteps.Thefrequentpatternwillbeacquiredanditwill

strengthenedtemporalassociationrules.Becausethelengthandstepfortheslidingwindowarearbitrary,thereiSalotofuncertaintyintheresultfromthetimeseriescompression.

(3)Similarity

patterninmeasureoftimeseriesisthebaseforacquiringthefrequentsequentialpatterns,andalsodecidestheobtainmentoftemporalassociationrules.Themeta-patternmonotony

distancebothhavesomeflawsin

measureofmeta—patternhasdistanceandthemeta.patternvectordefiningthemeta-pattern,SOproblems.Andthethesimilaritymethodsofsomeexisting

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