简介：WehavedevelopedadataobjectdescriptiontoolsuiteandserviceforAthenaconsistingof:alanguagegrammarbaseduponanextendedpropersubsetofIDL2.0,acompilerfrontendbaseduponthislanguagegrammar,JavaCC,andaJavaReflectionAPI-likeinterface,andseveralcompilerbackendswhichmeetspecificneedsinATLASsuchasautomaticgenerationofobjectconvertersanddataobjectscriptinginterfaces.WepresentheredetailsofourworkandexperiencetodateontheAthenaDefinitionLanguageandAthenaDataDictionary.

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简介：AthenaisthecommonframeworkusedbytheATLASexperimentforsimulation,reconstruction,andanalysis,Bydesign,Athenasupportsmultiplepersistenceservices,andinsulatesusersfromtechnology-specificpersistencedetails.AthenausersandevenmostAthenapackagedevelopersshouldneitherknownorcarewhetherdatacomefromthegridorfromlocalfilesystems.norwhetherdataresideinobjectdatabases,inROOTorZEBRAfiles,orinASCIIfiles.InthispaperwedescribehowAthenaapplicationsmaytransparentlytakeadvantageofemergingservicesprovidedbygridsoftwaretoday-howdatageneratedbyAtheajobsareregisteredingridreplicacatalogsandothercollectionmanagementservices,andthemeansbywhichinputdataareidentifiedandlocatedinagrid-awarecollectionmanagementenvironment.Weoutlineanevolutionarypathtowardincorporationofgrid-basedvirtualdataservices,wherebylocatingdatamaybereplacedbylocatingarecipeaccordingtowhichthatdtamaybegenerated.Severalimplementationscenarios,rangingfromlowlevelgridcatalogservices(e.g.,fromGlobus)throughhigher-levelservicessuchastheGridDataManagementPilot(underdevelopmentaspartoftheEuropeanDataGridporject,incollaboration,withtheParticlePhysicsDataGrid)tomoreconventionaldatabaseservices,andacommonarchitecturetosupportthesevariousscenarios,arealsodescribed.

简介：Athena智能卡解决方案公司（AthenaSmartcardSolutions）近日宣布，已经成功收购Aspects软件公司的智能卡OS系统，包括AspectsOS755Java智能卡及开发平台。而0S755Java智能卡产品包括FIPS认证的身份和多媒体（SD／MMC）操作系统．以及Visa认证的银行和GSM解决方案。