虛擬企業(yè)工作流管理系統(tǒng)訪問控制的研究與實現(xiàn).pdf

1、分類號—=：[礤垡L；!一UDC支障舡固江薛大擎學位論文虛擬企業(yè)工作流管理系統(tǒng)訪問控制的研究與實現(xiàn)林琳指導教師詹丞照數(shù)授申請學位級別一碩專業(yè)名稱i土篡扭應用i瞳盎論文提交日期2塑笙壘目論文答辯日期2QQ生5目學位授予單位和日期’江蒸盔堂2Q!生答辯委員會主席評閱人2005年4月江蘇大學碩士學位論文ABSTRACTVirtualEnterprise(VE)isaneffectiveorganizationalmodetoadapttOma

2、rketdemandItcomprehendsmanufacturetechnologymodeminformationtechnologyandmanagementtechnologyAnditisaIlidealorganizationalformforenterprisesinthefutureTheworkflowtechnologythatorientedfromOfficeAutomation(oA)couldpromote

3、developmentofVEButtheVEhasfeaturesofdistributionanddynamic，whichbringsomeproblemsofinformationsecurityItisanimportantresearchsubjectforaccesscontrolofdatainvirtualenterpriseworkflowmanagementsystemFirst，thisarticleintrod

4、ucesthebackgroundknowledges，includingVE，workflowtechnologyWorkflowManagementSystem(WfMS)andinformationsecuritymechanismThenitmainlydiscussestheaccesscontrolandexplainstheconceptoftheaccesscontrolandtraditionalaccesscontr

5、olmethodsAndthearticleintroducesRole—BasedAccessControl(RBAC)modelsandthecurrentresearchofRBACinWfMSSecond，thepaperpresentsanaccesscontrolmodelforVEWtMSbasedonRBAC96modelItregardsorganizationchartasthefoundationtobuildro

6、les，whichcarlspeedupthesetupofrolesItintroducestaskandauthorizationstrategytealizesynchronizationbetweenauthorizationflowandworkflowItpresentsthetypesofauthorizationconstraintThemodelcombinesauthorizationconstraintwithau

7、thorizationstrategyandgivescollisiondetectingrulesThepaperdefinesprimaryelementsandauthorizationflowinthemodelThirdthearticleanalysestheorganizationandworkflewprocessofVEThenitpresentstherealizationapproachofaccesscontro

8、lmodelbasedonorganizationchanandroleinVEWfMSItintroducesmainlyentities，sequencesandauthorizationstrategiesindetailItdescribesarchitectureofaccesscontrolsubsystemandfunctionofeverymoduleUponallofthem，thearticledesignsthed

9、atastructuresandrole’SoperationsofaccesscontrolsubsystemInthepapertherearesomeexamplesofexecutionofaccesscontrolsubsystemFinally，thearticlesummarizesitscharacteristicsandprospectsforthefutureworkKEYWORDS：VirtualEnterpris