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.