节点文献
就业信息网格体系结构设计及关键技术研究
Design on Employment Information Grid Architecture and Research on Relevant Key Technology
【作者】 李平;
【导师】 邵虹;
【作者基本信息】 沈阳工业大学 , 计算机软件与理论, 2009, 硕士
【摘要】 随着当今社会就业的发展趋势,网络求职已经成为完善就业服务体系的重要手段。虽然就业资源非常丰富,但由于网络上就业资源的异构性和分布性,没有实现就业信息资源共享。而网格的一个重要应用就是消除“资源孤岛”,实现资源共享,使得资源得到了更大程度的利用。将网格技术应用到就业领域,将会对就业资源的共享产生积极的促进作用。本文通过研究网格技术,探讨了就业信息共享的机制。参考网格体系结构、Web服务技术及XML描述语言构造了就业信息网格体系结构,分为资源层、网格服务层、服务注册中心管理层、数据格式转化层、应用层。分析就业信息资源的特性,引入了网格技术将就业信息封装为服务,并对服务进行发布。应用Web服务的思想对服务进行注册、查找和调用。基于XML描述语言描述调用服务的参数信息和查询返回的就业信息。采用浏览器的方式为用户提供人机交互界面,最终实现就业信息的共享。为了验证上述理论模型,以高校毕业生就业信息的检索为例进行了模拟实验。在GT4等软件搭建的实验环境下,实现高校毕业生就业信息服务的封装和部署,并将部署后的服务在以Juddi搭建的Web注册中心中进行注册,查找和调用。用户访问界面采用Java语言,JSP技术实现。从用户访问界面接收到的搜索条件转化为以XML语言描述,并作为调用服务的参数,服务调用后返回的信息也同样以XML语言描述,并对其进行解析得到满足搜索条件信息,最终通过用户界面将满足搜索条件的就业信息展示给用户。就业信息网格体系结构的设计通过模拟实验证明了其结构的合理性,对其具体应用可为用户提供简单,快捷的信息检索平台,并能使就业信息资源得到共享。
【Abstract】 With today’s employment trends, job search in internet has bean an important means for improving our system of employment services. Although the job is very rich in resources, due to the heterogeneity and distribution of employment resources in internet, that doesn’t make employment information resources shared. However, an important application of the grid is to eliminate "Resource Island" and implement the sharing of resources, which makes resources more utilized. The grid technology is applied to the field of employment; it will have a positive role in promoting the sharing of employment resources.Through researching of the grid technology, the employment information sharing mechanisms is discussed. According to the reference model of the grid, combining Web Service, XML description language the employment information grid architecture is construction, and it is divided into resource layer, grid service layer, the service registry center management layer, data format conversion layer, application layer. Analyzing characteristic of the resources, Introducing grid technology to make resources represented as services and to deploy services, applying the Web Service to registration services, search services, describing the parameters of calling service and returning information of searching based on XML, providing interactive interface based on explorer, which can implement the sharing of employment information.In order to verify the above theoretical model, the simulated experiment based on the retrieving college graduates employment information is carried out. Setting experimental environment with GT4 and other related software, college graduates employment information service is deployed and released; setting up Web Service registration centers with Juddi, college graduates employment information service is registered, found and called; applying Java and JSP, user interface is implemented. Conversing retrieval conditions from interface to XML description language as the parameter of service, describing the returning information with XML language after calling the service, resolving the returning information, then the information of matching the retrieval condition will be obtained. Finally the information will be showed through the user interface. Rationality of design on employment information grid architecture is proved by the simulated experiment. Example of application on that architecture applies a simple and quick search platform for users, and the employment resources will be shared.
【Key words】 Grid; Architecture; Service; Sharing of Resources; XML;