Web Service在GIS中的研究

Research on Web Services in the Middle of GIS

对GIS行业的目前发展做了介绍,并介绍了Web Service技术的概念、特点、优势、体系架构中的三个角色和三种基本操作、基于XML语言、WSDL语言、SOAP协议和UDDI的核心技术、和基本的工作流程。本文进而通过分析GIS的应用现状阐释了将Web Service技术引入GIS领域的优势和好处,详细介绍了目前OGC提出的Web Service框架和目前Web Service的国内外研究情况。

This paper explains the situation of expansion at GIS industry with concept of Web Service technology,features,and advantages.The three roles and three basic operations of Web Service structure using XML language,WSDL language,SOAP protocol and UDDI core technology as well as the basic work flow have been also explained.By analyzing the status quo of GIS applications,the paper focuses on the advantages of being put into practice the Web service technology in the field of GIS.The Web service structure proposed by OGC and the state of the art of the country and abroad has been included to explain so.