工作流环境下的模型构建与决策支持研究

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1、杭州电子科技大学硕士学位论文ABSTRACTWorkflowtechnologyistheabstraction,generalizationanddescriptiontoaworkflowandtheprocessesamongtheoperationalprocedure.Itismainlyusedtoachievethegoalofpassingdocuments,informationortasksaccordingtosomepredeterminedrulesbetweenmultipleparticipantsbycomputer

2、s.Althoughworkflowhasexperiencedevolutionforhalfacentury,ithadabroadandfar-reachingeffectonpeopleandtheresearchershavenevercoolingtheirenthusiasmforworkflowresearch.Inrecentyears,workflowmanagementhasgraduallybecomethenewhotspotinworkflowresearch.Bymanagingtheresourcescontaine

3、dineachbusinesswithintheworkflowsystem,weultimatelyrealizetheimprovementofworkflowmodel.Thisarticlestudiesthemethodofmodelconstructinginworkflowenvironmentandthewayofallocatingresourcesexitingintheworkflowmodel.Thearticlefirstanalyzesthecurrentdevelopmentabouttheworkflowandthe

4、majorproblemindomesticandforeign,thenstudieshowtoestablishacompleteworkflowmodeldependingontheloginformationundertheenvironmentofworkflowandtakestepstomanagetheresourcewithintheworkflowmodelconstructedonthebasisoftheexistingsituations.Intheaspectofworkflowmodelconstructing,wee

5、xtendthetraditionalPetrinet,andstudyanincreasingresourceinformationdescriptionintheworkflowandextensibletoolforrepresentingbusinessProcess–TRPN(timeandresourceassociatedPetri-net)model,whichisonthebasisofexistingtools,andimplementatthedescriptionofseveralconstraintinformation.

6、Inordertoillustratetheavailabilityofthemodel,thisarticlepresentsaprocessofconstructingaworkflowmodelfromtheworkflowlogusingTRPN.Intheresourcemanagement,manyresearchesonworkflowresourcemanagementhavebeenconductedcurrently.Howevermostofthemfailedtoconsidertheinfluenceondecisions

7、upportbyconstraintconditionsexistingduringtheexecutionofworkflow.Forthisreason,thispaperstudiesdecisionsupportmethodsbytakingconstraintconditionsintoconsiderationandmainlyfocusesontimeandcostaspects.BasedonTRPN,anoptimizationmethodforresourceallocationisproposed,whichtakesadva

8、ntageofrestrictionsexistingintheprocess.Thismethodoptimizesre