简介:Inthispaper,acontrolintegrationmethodbasedonagentcooperation,calledASOJI,isproposed,whichdesignsthearchitectureofintegratedapplicationsystemsindistributedcomputationenvironmentsasanagentcommunitycomposedofnestedagentfed-erationsinthreeaspects:architecturestyle,agentcooperation,andcompositionsemantics.Throughdefiningactivity-sharing-orentedjointintentioninthewayofstepwiserefinement,ASOJIcannotonlysupportthetransparentspecificationofthearchitectureforsoftwarecom-position,butalsoeliminatethegapbetweenagenttheoryandtheengineeringrealiztionofcontrolintegration.
简介:Multicastcapability,includingmulticastaddressandmulticastroutingmechanisms,atthenetworklayerisnecessaryinordertoreducethebandwidthrequirementsofmultiparty,multicastapplications.Basedonhierarchicalautonomousstructureinaccordancewiththeself-organizationtopologiesofInternet,thepaperputsforwardamulticastaddressmanagementschemethatisshowntoberobustandscalable.Connectioncontrolhierarchy(CCH)basedonmaster/slaverelationshipandasimpleefficientbuildingalgorithmofmulti-pointconnectionisalsobuilt.Thepaperalsodescribesthenormaloperationsofmulticastaddressmanagementandmulti-pointconnectioncontroller.Throughsimulationexperiment,HAMCMandDDMofMulticastAddressAllocationarecompared.HAMintegratesthemeritsofCMandDDM,whichisefficientasawhole,robustandscalable.CCHraisestheefficiencyofconnectioncontrol,andishighlyrobust,flexibleandscalable.
简介:NondeterminismofPROLOGexecutionrequiresthatablockofcontrolinformationorachoicepointforeachprocedurecallbestoredwhenthereareothercandidateclausestobeused.Whenthecurrentlyselectedclausefails,thebindingsmadebytheclausemustbeundoneandthestoredchoicepointisreactivated,andthenanotherclauseofthecandidateonesischosentorunonit.StoringandreactivatingchoicepointsandundoingaccountforthegreatoverheadarerequiredtocontrolPROLOGexecution,whichisquitedifferentfromconventionalprograms.ThispaperfocusesonthetechniquesusedinSequentialPROLOGEngine(SPE)toreducetheoverheadofcontroloperations.ThecontrolinstructionsofSPEstorenomorechoicepointsthanthenecessary.Itsarchitecturetakestheapproachesofanalysingthepotentialparallelisminthecontroloperationsanddevelopingafractionofitduetothecost-effectconsideration.TheresultsofexecutingtwosampleprogramsonSPEintheformofhandtimingsarepresented,whichfavortheapproach.
简介:<正>夏新LC47V1P具有1920×1080的全高清分辨率,6000:1的高对比度,智能背光技术,画面清晰,色彩还原真实。此外,还具备4组HDMI高清接口,接口兼容性出色,BT院线,功能强大。夏新LC47V1P的参数:屏幕尺寸:47英寸屏幕比例:16:9最佳分辨率:1920×1080亮度:800cd/m~2对比度6000:1(动态)响应时间:4ms垂直可视角度:178°水平可视角度178°输入端子:TV端子×1、AV端子×2、S端子×1、VGA输入×1、HDMI输入×4、USB输入×2其他性能:智能背光、静像功能、无风扇设计、游戏模式、主题变换、频道查找