【摘要】 关联服务是Web服务在关联数据环境下的新的表现形式,服务的描述结果和调用结果都是关联数据。在界定关联服务概念的基础上,对关联服务的基本原理进行剖析。关联服务的创建和使用涉及服务描述、服务选择、服务调用等一系列关键步骤,对基于SPARQL的服务描述方法和基于MSM的服务描述方法、基于服务模板的服务选择方法进行探讨,并对关联服务的调用方法进行分析。更多还原

【Abstract】 Linked service is a new form of Web service in linked data environment.Service descriptions and return values of linked services are linked data.On the basis of defining the concept of linked service,this paper describes the basic principle of linked service.Creating and applying of linked services involve a series of key steps such as the description,selection and call of linked services.The service description methods based on SPARQL and MSM,service selection methods based on service templates and service call methods are discussed.更多还原