1、南京師范大學碩士學位論文基于事件樹的地理要素時空回溯方法研究姓名：聞雅申請學位級別：碩士專業(yè)：地圖學與地理信息系統(tǒng)指導教師：孫毅中20080501AbstractAbstractTheissuesonretrospectofspatiotemporalobjectsisalwaysfocusedonintheGISdomain，anditisofgreatsignificanceinTGISTheretrospectofspatiote

2、mporalobjectsisreferredteturningthehistorialstate，notonlyrealizethefunctionofreal—timemonitoringbutalsoprovidevarydatawhichcoversbothhistoryandactualityThiskindofdataishelpfulfordecision—makingdepartmenttocontrast，analyz

3、e，makestatistic，summarize，forecastthehistoryactualityandfuturedataMuchvaluableknowledgemaybeextractedfromtheretrospectdataCurrentlyitisnecessaryforGIStoprovideatemporalanalysis勰wellasdemonstratetheevolvementprocessofgeog

4、raphicentitiestofindoutthedevelopmentrulesinlotsofapplicationdomainsuchascadastralalteration，environmentalmonitoring，disasterrelieftrafficmanagementSo缸thestudyontheretrospectofspatiotemporalobjectsisstillininitialstagewi

5、thshortagesincludingthataboveallwearenotabletofigureoutanappropriatepointforcombiningthespatiocharacteristicsandtemporalcharacteristics，thatistosaytherearelackofaspatiotemporalconnectionmechanism，secondlymuchredundancein

6、dataornotaccordingwiththeworkhabitorspatiotemporalinformationisnotconsistentwiththeexpressionofthelogicofhumancognitionForthesementionedshortages，thispaperproposedafeaturehistoricalretrospectschemesbasedontheeventtreeBeg

7、inwithconnectionbetweentheeventandfeature，thispaperfirstlyintroducesthattheeventcausedthechangingoperationTodescribetheeventanditsstorage，thepaperproposedtheeventsystem，whichisincludingthatfirstitproposestheeventtreeinde

8、xsystem，secondlyconsanguinitycoefficientEdnaisalsoproposedtoquantitatetherelationshipbetweeneventsThenthepaperanalyzesandconcludesthegeneralgeographicalfeaturechangetypes；givetheexpressionanddescriptionrulestoeachtypeofc

9、hangeFinallyaccordingtoanalyzingtheessentialrelationdshipbetweentheeventandchangetimeofthefeature，thevaryrestrictionspatio—temporalconnectioninconditionoftheeventbecomingthetemporalexpression，thatistosaytodescribetheoccu

10、rrenceandprocessing，weneedtecordaseriesofchangeoperationasakeypointortheimportantactionoftheevent，realizethequeryfunctionoffeaturesandeventsfortwowaythenitrealizedthegeographicalfeaturespatio—temporalhistoryretrospectsch