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重庆邮电大学学报(自然科学版) 2007
Spatial aggregations for spatial based decision Keywords: spatial,data,warehouse,spatial,aggregation,spatial,based,decision,making Abstract: Forspatialbaseddecisionmakingsuchaschoiceofbestplacetoconstructanewdepartmentstore,spatialdatawarehousingsystemisrequiredmoreandmorepreviousspatialdatawarehousingsystems;however,provideddecisionmakingofnonspatialdataonamapandsothosecannotsupportenoughspatialbaseddecisionmaking.Thespatialaggregationsareproposedforspatialbaseddecisionmakinginspatialdatawarehouses.Themeaningofaggregationoperatorsforapplyingspatialdatawasmodifiedandnewspatialaggregationsweredefined.Theseaggregationscansupporthierarchicalconceptofspatialmeasure.Usingtheseaggregations,thespatialanalysisclassifiedbynonspatialdataisprovided.Incasestudy,howtousetheseaggregationsandhowtosupportspatialbaseddecisionmakingareshown.
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