简介：APIsofCADsystemcouldbeencapsulatedtoconstructwebservicessoastoprovidestandardaccessinterfacesforweb-basedcooperativedesign.However,lackofsemanticsupportingmakeintegrationofheterogeneousmodellingsystemlimitedtooperationallevel.Onthepurposeofcarryingoutcooperativedesigninaflexiblecloudenvironment,anintelligentandeffectivesupportmechanismisneededformassandcomplexinteractionincooperativework.Therefore,Ontology-basedGeometryModelingServicesEnvironment(OGMSE)isprovidedtorealizeaknowledge-levelgeometrymodelingsoastosupportedsemantic3Dmodelmanagementandintelligentoperationsupport.First,CADAPIsareencapsulatedintowebserviceforwebinvocation.Then,ontologycontainedstructuralsemanticandoperationalsemanticisbuiltformanagementofmodelsandmodelingprocess.Lastly,conception-drivenmodelingmechanismisbuilttoinvocateserviceaccordingtointeractionrequirement,thustorealizeconception-levelcooperativedesign.Basedonanopengeometryengine,aprototypesystemhasbeendeveloped.Theresultshowsthattheapproachprovidesareferencedirectionforlarge-scaleapplicationonthenetwork.

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