时间序列时序关联规则挖掘研究(8)

发布时间:2021-06-06

ABSTRACT

havemoreorlessdisadvantages.Becausethesimilarityamongsequentialpatternscomesdowntotwomodelsofdifferentlength,byusingthemethodofmeasuringdifferentdimensionsdistance,theauthorputsforwarddynamictimewarpingdistancemeansofsequentialpattern.

ofTemporalAssociationRules(4)Acquirement

fromThethirdstepofminingtemporalassociationrulesishowtogetfrequentpatternssequentialpatters,andthentobuildstrengthenedtemporal

orassociationrules.Incommontemporalassociationrules,the

not,anditsfrequencydependsonobjectsmayappearobjectsandtheappearingtimesofincidents.Becauseofthedifferenceoftimeseriespattern,thefrequencycannotbedecidedbysinglemodel’Sappearingtimes,butbytheamountofsimilarpatterns.Duringtheprocessofcreatingtemporalassociationrules,accordingtotheparticularityoftimeseriespatterns,theauthoroffersthelayeredmeansofgettingtemporalassociationrulesandprovesit.

(5)SimilarityofTimeSeries

Thedissertationclarifies

one

onsimilarityoftimeseriesfromtwoaspects.Onthehand,thedissertationstudiedthesimilarityofone—varietytimeseries.Basedonthesummaryofexistingresearchtimeseries,theauthorputsforwardthe

oftimeseriesandgraphicsimilaritymeasure to -measuresimilarityanalyzesthe

method.Ontheotherhand,thedissertationresearchessimilarityofmultivariatetimeseries.Firstlytheauthoranalyzesthenecessityofresearchingit,andthenthedifficultyinit,finallycomesupwith

basedontwowaystomeasuresimilarityoftimeseries,matrixandsynthesisattribution.

FlatofTemporalassociationrulesoftimeseries(6)Mining

TheminingflatoftemporalassociationrulesoftimeseriesusesJAVAasexploitinglanguages,andhas6modules.Ithasseveralfunctions,suchasloadingdata,timeseriesdatapre—processing,timeseriesdatacompression,timeseriesdatasimilaritymeasure,therequirementoftemporalassociationrulesandtheinterpretationandevaluationoftemporalassociationrules,etc.Thedissertationproveseveryimprovementbyempiricalanalysis,andalsorealizestominetemporalassociationrulesfrom

Combiningwithtimeofseries.theoriesmining

ontemporalassociationrules,thedissertationcarriesoutsystemicresearcheverystep,fromthefirststep,time3

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