基于上下文感知的地理信息服务发现与匹配技术研究  

The Research on Geospatial Information Service Discovery and Matchmaking Based on Context-awareness

作　　者：王少一[1] 苏绣[1] 蒋许锋[1] 

机构地区：[1]天津市测绘院,天津300381

出　　处：《地理信息世界》2012年第1期72-75,88,共5页Geomatics World

基　　金：国家973计划项目(2006 CB 701300)资助

摘　　要：如何在网络上寻找到最适合的地理信息服务,即服务的发现与匹配技术的需求变得越来越迫切。本文结合普适思想提出了基于上下文感知的地理信息服务多级发现与匹配框架,包括基本描述、服务功能、约束条件、空间上下文4级匹配过程,并详细分析了空间上下文的建模与推理、地理信息相似性等关键技术,最终通过一个原型系统验证了该框架及关键技术的可行性。To find the most appropriate geographic information services on the network, in the other words, the service discovery and matching technology needs become more and more urgent. Based on the ubiquitous thinking and context-awareness, this paper proposes a geographic information services discovery and matching multi-level framework, including four matching process which are basic description, service functions, constraints and spatial context. Then, we analyze the key technologies such as spatial context modeling and reasoning, the similarity of geographic information in detail. Finally, the framework and key technologies are proved to be feasibility through a prototype system.

关 键 词：普适计算 空间上下文 上下文感知 地理信息服务发现与匹配 

分 类 号：TP311.138[自动化与计算机技术—计算机软件与理论]