| Web服务组合中地理信息的集成与应用研究 |
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| 引用本文： | 张程,熊锦华,韩燕波,杨少华. Web服务组合中地理信息的集成与应用研究[J]. 计算机科学, 2006, 33(3): 121-124 |
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| 作者姓名： | 张程 熊锦华 韩燕波 杨少华 |
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| 作者单位： | 1. 中国科学院计算技术研究所软件室,北京,100080;中国科学院研究生院,北京,100089
2. 中国科学院计算技术研究所软件室,北京,100080 |
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| 基金项目： | 国家攻关项目;中国科学院资助项目;中国科学院计算所青年创新基金 |
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| 摘 要： | OpenGIS 组织定义了用于将地理信息的交互与处理服务化的规范,但是按这些规范所构造的服务具有特殊性,难以和普通的 Web 服务进行交互并协同工作。本文通过扩展基于 SOA 架构的 Web 服务组合平台的体系架构,使得普通 Web 服务与处理地理信息的服务能够协调工作,并按符合 OpenGIS 规范的方式实现了在 Web 服务组合中对地理信息的集成与显示,在此基础上又对地理信息的一个重要应用——按位置组织服务进行研究,并探讨了多种服务组织方式间的统一操作接口问题。
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| 关 键 词： | 面向服务的体系结构 服务组合 地理信息 |
Integration and Application of Geo-information in Web Services Composition |
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| ZHANG Cheng,XIONG Jin-Hua,HAN Yan-Bo,YANG Shao-Hua. Integration and Application of Geo-information in Web Services Composition[J]. Computer Science, 2006, 33(3): 121-124 |
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| Authors: | ZHANG Cheng XIONG Jin-Hua HAN Yan-Bo YANG Shao-Hua |
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| Affiliation: | 1. Software Division, Institute of Computing Technology, Chinese Academy of Sciences, Beijing 100080;2. Graduate School of Chinese Academy of Sciences, Beijing 100089 |
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| Abstract: | It is beneficial to users to take advantage of geo information in web services composition.Open GIS consorti- um has defined the specifications for making the interacting and handling processes of geo-information into services. However,the services constructed by these specifications can hardly interact and cooperate with ordinary Web services to complete some predefined tasks because of their particularity.This paper extends the SOA-based service composition architecture to solve this problem and to achieve the integration of geo-information in Web service compsition,and fur- ther studies how to organize services according to their location properties and unify the access operations between mul- tiple methods of service organization. |
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| Keywords: | OpenGIS |
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