普适计算环境下网络数据采集处理方法

ISSN1000-9825,CODENRUXUEWE-mail:[e-mail],Vol.17,Supplement,November2006,pp.219−224©2006byofJournalofSoftware.Allrightsreserved.Tel/Fax:[phone]∗+,(,130012)AMethodforNetworkDataCollectionandProcessinginthePervasiveComputingEnvironmentBAOTie+,LIUShu-Fen(SchoolofComputerScienceandTechnology,JilinUniversity,Changchun130012,China)+Correspondingauthor:E-mail:[e-mail],LiuSF.Amethodfornetworkdatacollectionandprocessinginthepervasivecomputingenvironment.JournalofSoftware,2006,17(Suppl.):219−224.:Basedontheresearchonthecharactersofnetworkinthepervasivecomputingenvironment,arule-basedmethodfornetworkdatacollectionandprocessingisbroughtforward.Themethodencapsulatesthelogicofnetworkdatacollectionandprocessinginbusinessrules,andorganizesthebusinessrulesthroughobject-orientedRetealgorithm.Dataprocessinglogicisabletoeasilybereadandverified.Andbusinesslogicandprocessareseparatedbythismethod.Atthesametime,thecomplexbusinessdeterminantstatementsdonothavetobemodifiedtoadaptthemselvestothechangesofnetworkenvironmentandbusiness.Keywords:computernetwork;datacollection;dataprocessing;businessrule;pervasivecomputing:,.,Rete,,,.:;;;;2090,,,[1].,,.,2000,,,MITOxygen[2],CMUAura[3],IllinoisGaia[4],UCBerkeleyEndeavour[5],WashingtonPortalano[6],IBMDreamSpace[7],MicrosoftEa2syLiving[8],DisappearingComputer[9],SmartClassroom[10].∗SupportedbytheNationalKeyTechnologiesR&DProgramofChinaunderGrantNo.2004BA907A20();theMajorProgramofScienceandTechnologyDevelopmentPlanofJilinProvinceofChinaunderGrantNo.20040304()Received2006-03-30;Accepted2006-10-08220JournalofSoftwareVol.17,Supplement,November2006,,,,[11].,,:,.,.:,;;.,EJBSpring,,,.,,,.,,,:;,;.13:.,.,.,.,.,3,[12].1.1[13],,,,1.ProtocolobjectInternetDatabaseFileTaskobjectTimeobjectEntityobjectCollectionruleParsingruleProcessingruleForwardruleDatadispatcherStandarddataDatacollectorMeta-DataFig.1Factmodel1(1):,,.,,,.(2):,.,,,:request-replypublish-subscribe.Web,request-reply,sensor,publish-subscribe.,HTTP,FTP,Snmp,.(3):.:221.,,.(4):.,.,,,.(5):,,,.,,.1.2,,[14],.[15].,,,:RuleID〈〉//{InputParam〈〉;//Condition〈〉;//Consequence〈〉;//},,3.2,,.Rete,Rete,.,()A,B,,R(i),A(i,1),A(i,2),…,A(i,n)A,B(i,2),B(i,3),…,B(i,n),:B(i,2)A(i,1),A(i,2).B(i,j),j2,B(i,j−1),A(i,j).ReteRete,,:RuleID〈r1〉{InputParam1〈x〉,InputParam2〈y〉,InputParam3〈z〉;Condition1〈xy〉,Condition2〈yz〉;Consequence〈outputthevalueofx,y,z〉}RuleID〈r2〉{InputParam1〈x〉,InputParam2〈y〉;Condition1〈xy〉;Consequence〈outputthevalueofx,y〉}ReteRete2.222JournalofSoftwareVol.17,Supplement,November2006RETE-OOObjectTypeNodeType:IntegerInputPara1NodeX(Integer)InputPara2NodeY(Integer)InputPara3NodeZ(Integer)JoinNodeInputJoinNodeInputJoinNodeY(Integer)X(Integer)JoinNodeInputConditionNodeCon:XYTerminalNodeRule:PrinttwovaluesJoinNodeInputJoinNodeZ(Integer)Y(Integer)X(Integer)ConditionNodeCon:YZTerminalNodeRule:PrintthreevaluesFig.2RetenetworkofRuler1andRuler22r1r2Rete,Rete,,,,,.Rete,,Rete.,,,,,,,.,,:,,:223,.3,,,,,,.(),,,,:(1),,,,:CHR:InputParam〈ID〉;Condition〈=〉;Consequence〈〉CPR:InputParam〈ID〉;Condition〈=〉;Consequence〈〉(2),.,:DHR:InputParam〈〉;Condition〈=〉;Consequence〈〉DPR:InputParam〈〉;Condition〈=〉;Consequence〈“/”〉(3),,:PHR:InputParam〈〉;Condition〈=AND=〉;Consequence〈,〉PPR:InputParam〈〉;Condition〈=AND=〉;Consequence〈〉(4),.,:FHR:InputParam〈〉;Condition〈=AND=AND=〉;Consequence〈〉FPR:InputParam〈〉;Condition〈=AND=AND=〉;Consequence〈〉,Rete.,,:ID,,.,,.,,Rete,,.224JournalofSoftwareVol.17,Supplement,November20064,,,,,ReteRete,Rete,.,,,.References:[1]WeiserM,GoldR,BrownJS.TheoriginsofubiquitouscomputingresearchatPARCinthe1980s.IBMSystemsJournal,1999,38(4):693−696.[2]JeanK.Talktothemachine.IEEESpectrum,2002,39(9):60−64.[3]SousaJP,GarlanD.Aura:Anarchitecturalframeworkforusermobilityinubiquitouscomputingenvironments.In:BoschJ,GentlemanM,HofmeisterC,KuuselaJ,eds.Proc.ofthe3rdWorkingIEEE/IFIPConf.onSoftwareArchitecture.KluwerAcademicPublishers,2002.29−43.[4]RománM,HessCK,CerqueiraR,RanganathanA,CampbellRH,NahrstedtK.Gaia:Amiddlewareinfrastructuretoenableactivespaces.IEEEPervasiveComputing,2002,74−83.[5][6]EslerM,HightowerJ,AndersonT,BorrielloG.Nextcenturychallenges:Data-Centricnetworkingforinvisiblecomputing.In:Proc.oftheAnnualInt’lConf.onMobileComputingandNetworking,MOBICOM.1999.256−262.[7][8][9][10]GuHL,ShiYC,XuGY.Probeoftheproblem,challengeandsolutionofwirelessnetworkprojectsupportingpervasivecomputinginSmart-Classroom.Mini-MicroSystems,2005,26(3):367−370(inChinesewithEnglishabstract).[11]WeiserM,BrownJS.Thecomingageofcalmtechnology.In:DenningP,MetcalfR,eds.BeyondCalculation:TheNextFiftyYearsofComputing.NewYork:Springer-Verlag,1997.[12]RossRG.Expressingbusinessrules.In:Proc.oftheACMSIGMODInt’lConf.onManagementofData.2000,29(2):515−516.[13]RossRG.PrinciplesoftheBusinessRuleApproach.Beijing:MechanismIndustryPublishi