网格移动定位服务及关键技术研究

南京航空航天大学博士学位论文网格移动定位服务及关键技术研究姓名：彭春华申请学位级别：博士专业：精密仪器及机械指导教师：刘建业;晏磊20070601IWebJavaGISGISPULLPUSHPULLPUSHIIJavaEE/JavaMEIIIABSTRACTTheresearchongridmobilelocationservicescomesfromtworequirements:Ononehand,asanewvalue-addedindustrymode,mobilelocationservicesacquiresmoreandmoreattentions,atthesametime,onenecessarytechniqueisrequiredtointegrateallkindsoftheheterogeneousresourcesindifferentplaces,includingcomputationresource,storageresourceandnetworkresource,etc.Ontheotherhand,inrecentyears,grid,asastrategeticinfrastructureforhighperformancecomputationandinformationservice,developedveryfastandwasbeingusedtoresourcesharingandinteroperabilityindifferentfields.Basedontherequirementsforresourceintegrationofmobilelocationservicesandnewapplicationsforgrid,gridmobilelocationservicesanditskeytechnologiesarestudiedinthepaper,andtheresearchesinthepaperarethefollowing.Thebackgroundofgridmobilelocationservicesisanalysedindetail.Theresearchontheories,techniquesandapplications,involvedingridmobilelocationservices,arepresenteddetailedly.Basedonthebefore-mentionedanalysis,theresearchstatusquosofstandardsandspecifications,techniquesandapplicationsaresetforth.Asfarasthearchitectureforgridisconcerned,threemainarchitecturesarepresentedindetail.Theyare,respectively,fivetiershourglassarchitecture,opengridservicesarchitectureandwebservicesresourceframework.Somerelatedtechniques:extensiblemarkuplanguage,thedevelopmentplatformforjava,mobilecommunication,geographicinformationsystemandembeddedgeographicinformationsystemarepresentedinthepaper.Inaddition,thenecessityandfeasibilitythatgridisusedtoformmobilelocationservicesareanalyzedindetail.Fromtheviewpointsofthetheoryformobilelocationservices,thetheoryforgrid,systemengineeringandvaluechain,thetierforvirtualuserandvirtualresourceareproduced,andareusedtoformgridmobilelocationservices.Onthebasicofthetierforvirtualuser,virtualuserobjectispresented.Atthesametime,onthebasicofthetierforvirtualresource,virtualserviceproviderobject,virtualdataproviderobjectformap,virtuallocationproviderobjectandvirtualterminalproviderobjectarealsopresented.Furthermore,theconceptionmodel,overallframework,logicalarchitecture,techniquearchitectureanddataarchitectureareformedeventually.Moreover,basedondifferentfunctionsinserviceapplicationsandvaluechain,services-basedsixapplicationmodesandIVvaluechain-basedthreeapplicationmodesarebroughtforward.Theuniformlocationmodels:locationconceptualmodelandlocationlogicalmodelarestudied.Thelocationfeatures,propertiesforlocationfeaturesandrelationsforlocationfeaturesinlocationconceptualmodelarestudiedprimarily.Locationlogicalmodelsfor“PULL”and“PUSH”,basedonlocationconceptualmodelanddifferentrequests,areinvestigated;moreover,locationlogicalflowsfor“PULL”and“PUSH”arealsoanalyzed.Mobilelocationservicesorientedtometadataservice,resourceborkerserviceandresourcereplicationservicearestudieddeep.Thehierarchicalcoremodel,hierarchicalfunctionalmodel,hierarchicalvaluechainmodelandhierarchicalhybridmodelformetadataserviceareproposed.Inadditional,thegridmobilelocationservicesbasedmodelforvirtualprocessingresourcebrokerandvirtualstorageresourcebrokerareestablished;thegridmobilelocationservicesbasedarchitectureandserviceprotocolstackforresourcereplicationserviceareestablished.Thearchitectureofgridmobilelocationservicesbasedonfivetiershourglassarchitectureisstudied.Thetierforfoundationestablishment,communication,singleresourcesharing,resourcecollectionandapplicationinitaredesignedprimarily.Accordingtothecharacteristicsofgridservices,theinstanceofbusnavigationbasedonfivetiershourglassarchitectureandopengridservicearchitectureingridmobilelocationservicesarestudied.Intheend,aprototypesystemformobilelocationservicesbasedonJavaEE/JavaMEisestablished.Theclienttier,middletieranddatatierandoverallframeworkfortheprototypesystemaredesignedandestablished.Severalkeytechniquesintheprototypesystemareanalyzedandimplemented.Theserviceforpointofinterest,busnavigationserviceandbusqueryserviceareimplemented.KeyWords:MobileLocation,Grid,SystemFramework,LocationModel,ValueChain,SharingandInteroperability,VirtualResource,MetadataServices,ResourceBrokerServices,ResourceReplicationServicesIX1.1.............................21.2...................................51.3GridMLS...........................................61.4OGCWebServiceGrid.............................101.5..............................................152.1Internet...........212.2..........................................212.3Web.............................................232.4OGSA................................................242.5..............................................242.6HandleMap.........................................252.7HTTPGET..............................................252.8......................................262.9JavaEE...........................................302.10JavaME..........................................313.1..........................................393.2..................................................393.3/.................