简介：Thispaperistoconstructa'digitallocal,regional,region'informationframeworkbasedonthetechnologyof'SIG'anditssignificanceandapplicationtotheregionalsustainabledevelopmentevaluationsystem.First,theconceptofthe'gridcomputing'and'SIG'isinterpretedanddiscussed,thentherelationshipbetweenthe'gridcomputing'and'digitalregion'isanalyzed,andtheframeworkofthe'digitalregion'isputforward.Finally,thesignificanceandapplicationof'gridcomputing'tothe'regionsustainabledevelopmentevaluationsystem'arediscussed.

简介：Aresearchonthathowthetopicofmobility,whichiscompletelydifferentbuttightlyrelevanttospace,providesnewapproachesandmethodssoastopromotethefurtherdevelopmentofgeographicinformationservices,willaccumulatebasicexperiencefordifferenttypesofrelativeinformationsystemsinthewidefieldsoflocationbasedservices.Thispaperanalyzesthemeaningofmobilityandthechangeforgeographicinformationservicemodel,itdescribesthedifferencesandcorrelationbetweenM-GISandtraditionalGIS.Itsetsatechnicalframeworkofgeographicinformationservicesaccordingtomobilecontextandprovidesacasestudy.