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1、Thisarticlewasdownloadedby:[HongKongPolytechnicUniversity]On:04March2012,At:06:10Publisher:Taylor&FrancisInformaLtdRegisteredinEnglandandWalesRegisteredNumber:1072954Registeredoffice:MortimerHouse,37-41MortimerStreet,LondonW1T3JH,UKAnnalsofGISPublicationdetails,includinginstructionsforauthorsandsubs
2、criptioninformation:http://www.tandfonline.com/loi/tagi20Geographicinformationsystemsandscience:todayandtomorrowaMichaelF.GoodchildaDepartmentofGeography,NationalCenterforGeographicInformationandAnalysis,UniversityofCalifornia,SantaBarbara,CA,USAAvailableonline:17Nov2009Tocitethisarticle:MichaelF.Go
3、odchild(2009):Geographicinformationsystemsandscience:todayandtomorrow,AnnalsofGIS,15:1,3-9Tolinktothisarticle:http://dx.doi.org/10.1080/19475680903250715PLEASESCROLLDOWNFORARTICLEFulltermsandconditionsofuse:http://www.tandfonline.com/page/terms-and-conditionsThisarticlemaybeusedforresearch,teaching,
4、andprivatestudypurposes.Anysubstantialorsystematicreproduction,redistribution,reselling,loan,sub-licensing,systematicsupply,ordistributioninanyformtoanyoneisexpresslyforbidden.Thepublisherdoesnotgiveanywarrantyexpressorimpliedormakeanyrepresentationthatthecontentswillbecompleteoraccurateoruptodate.T
5、heaccuracyofanyinstructions,formulae,anddrugdosesshouldbeindependentlyverifiedwithprimarysources.Thepublishershallnotbeliableforanyloss,actions,claims,proceedings,demand,orcostsordamageswhatsoeverorhowsoevercausedarisingdirectlyorindirectlyinconnectionwithorarisingoutoftheuseofthismaterial.AnnalsofG
6、ISVol.15,No.1,June2009,3–9Geographicinformationsystemsandscience:todayandtomorrowMichaelF.Goodchild*DepartmentofGeography,NationalCenterforGeographicInformationandAnalysis,UniversityofCalifornia,SantaBarbara,CA,USA(Received4April2009;finalversionreceived10May2009)Greatstrideshavebeenmadeingeographic
7、informationsystemsandscienceoverthepast14years:throughthedevelopmentofspatialdatainfrastructuresandtheinfrastructureofdatasharing;throughadvancesinthetechnologiesofpositioning,dataacquisition,datadiss
