%0 Journal Article %T Research on spatial association rules mining in two direction %A XUELi-xia %A WANGZuo-cheng %J 重庆邮电大学学报(自然科学版) %D 2007 %X IndataminingfromtransactionDB,therelationshipsbetweentheattributeshavebeenfocused,buttherelationshipsbetweenthetupleshavenotbeentakenintoaccount.Inspatialdatabase,therearerelationshipsbetweentheattributesandthetuples,andmostoftheassociationsoccurbetweenthetuples,suchasadjacent,intersection,overlapandothertopologicalrelationships.Sothetasksofspatialdataassociationrulesminingincludeminingtherelationshipsbetweenattributesofspatialobjects,whicharecalledasverticaldirectionDM,andtherelationshipsbetweenthetuples,whicharecalledashorizontaldirectionDM.Thispaperanalyzesthestoragemodelsofspatialdata,usesforreferencethetechnologiesofdataminingintransactionDB,definesthespatialdataassociationrule,includingverticaldirectionassociationrule,horizontaldirectionassociationruleandtwodirectionassociationrule,discussesthemeasurementofspatialassociationruleinterestingness,andputsforwardtheworkflowsofspatialassociationruledatamining.Duringtwodirectionspatialassociationrulesmining,analgorithmisproposedtogetnonspatialitemsets.Byvirtueofspatialanalysis,thespatialrelationsweretransferredintononspatialassociationsandthenonspatialitemsetsweregotten.Basedonthenonspatialitemsets,theApriorialgorithmorotheralgorithmscouldbeusedtogetthefrequentitemsetsandthenthespatialassociationrulescomeintobeing.UsingspatialDB,thespatialassociationrulesweregottentovalidatethealgorithm,andthetestresultsshowthatthisalgorithmisefficientandcanminetheinterestingspatialrules. %K data %K mining %K spatial %K data %K association %K rule %K vertical %K and %K horizontal %K direction %K  %U http://journal.cqupt.edu.cn/jcuptnse/jcuptnse/ch/reader/view_abstract.aspx?file_no=20070313&flag=1