基于语义的分布式WEB服务注册系统

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1、上海交通大学硕士学位论文基于语义的分布式Web服务注册系统姓名：王永辉申请学位级别：硕士专业：计算机软件与理论指导教师：姜丽红20060101务模型，另外在基于P2P的分布式环境下，本文也提出了数据信息和语义元数据在对等节点之间映射的一个系统模型。在建立了以上模型的基础上本文提出了基于语义的分布式Web服务注册系统，该系统主要由对等网格服务模块，基础模块和客户端组成，本文接着对各个模块以及注册查询功能的设计进行了分析，并且针对基于语义的Web服务查询功能，本文进行相应的试验，结果证明了本系统在Web查询上效果更加明显。最后本文对系统进行了

2、设计，提出了具体实现的层次性的技术框架，正对各个层次进行了分析，并且对主要的注册逻辑和算法作了简要的描述。关键字:网格，P2P，语义Web，Web服务，电子商务注册系统IVABSTRACTWiththedevelopmentofB2BElectronicCommerce,moreandmoreenterprisesandorganizationsareinvolvedintothisnewgenerationplatform.Inaddition,requirementtowardsthisplatformisbecomingmorech

3、allenging.Alotoforganizationsintenttoemploythisplatformasagoodopportunitytoenhancetheircoreability.Theseorganizationsareindifferentfieldsanddifferentarea.Internetprovidesasuitableplatformforthiskindofdistributedenvironment.WebServicetechnologyarerecognizedasaconsistentfra

4、meworktofitintothisrequirement.WebServiceemployUDDIasanapproachtocentralizeregistryinformationmanagement.However,astheelectroniccommerceenvironmentbecomesmoredynamicandenlarged,thisapproachnolongermeetsthenewrequirementwell.It’satrendthatdatamanagementandcomputingwillbeco

5、memoreandmoredistributed,whichisalsotrueforimprovingtheindependencyoftheorganization.GridandP2PtechnologycanbeemployedintheElectronicCommerceenvironmenttoallowdistributingofthesystemandtoimprovethescalabilityofthesystem.Ontheotherhand,oneoftheobjectivesofB2BElectronicComm

6、erceistoimproveinteroperabilityofdifferentsystem.Themostimportantfactoroftheinteroperabilityisintheaspectofsemantics.WiththeexpansionofECdomainandenhancementinrequirementofover-domaincommerce,consistencyofVsemanticswillbecomeakeyissuehere.Consistencyofsemanticscanbeachiev

7、eddirectlybysharingmeta-dataofsemantics.Howeverinadistributedenvironment,wehavetoconsiderhowtomanagethesemeta-dataofsemantics.Thispaperproposedasemantics-baseddistributedRegistrySystemofWebservice.FirstitproposedPeer-GridServiceincorporateP2PandGridtechnologies.Inaddition

8、,itbringsupmappingmodelbetweenpeernodeandordinaryandsemanticmetadata.Basedontheabovemodelsthispa