Transcription of DMQL: A Data Mining Query Language for Relational …
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DMQL: ADataMiningQueryLanguageforRelation alDatabases ,DMQL,forminingdi eldwith ourishingR&Dactivitiesandsuccessfulsyste msreportedrecently[17,5].Sincethetasksan dapplicationsofdataminingarebroadanddive rse,itisexpectedthatvariouskindsof exible, erentgraphicaluserinterfacesincommercial relationalsys-tems,itsunderlying\core"re lationalquerylanguagesetsasolidfoundatio nforresearchanddevelopmentofrelationalsy stems,facilitatesinformationexchangeandt echnologytransfer,andpromotescommerciali zation,broadapplication, ,thesuccessoftherelationalsys-temsshould becreditedinparttothestandardizationofre lationalquerylanguages,whichwasdoneatthe earlystageinthedevelopmentofthe eld[20].Therecentstandardizationactiviti esindatabasesystems,suchastheworkrelated toSQL-3,OMGandODMG[3],showagaintheimport anceofastandarddatabase ResearchwassupportedinpartbythegrantNSER C-A3723fromtheNaturalSciencesandEngineer ingResearchCouncilofCanada,thegrantNCE:I RIS/PRECARN-HMI-5fromtheNetworksofCentre sofExcellenceofCanada,andgrantsfromBC/Ad vancedSystemsInstitute,theMPRT eltechLtd.
of data and/or attributes. Therefore, a data mining language should tak e a query language as its subtask in the sp eci cation. 2. The kinds of kno
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