空间服务语义模式的地理信息服务发现Geographic information web service discovery based on geospatial semantic schema
郑亮,李德仁
摘要(Abstract):
如何从大规模地理信息服务集合中快速且准确地发现目标服务是地理信息服务应用中的一个关键问题。当前基于关键字的服务发现方式缺乏语义支持,搜索效率低。本文在WSMO/WSML框架下,提出了一种基于空间服务语义模式的服务发现方法,将地理信息从语法模式转换为语义模式,明确表达空间数据中隐含的知识,有效克服数据源之间的语义异构。该方法能够显著提高地理信息服务发现的查全率和查准率。
关键词(KeyWords): 地理信息服务;服务发现;语义异构;本体;WSMO/WSML
基金项目(Foundation):
作者(Author): 郑亮,李德仁
DOI: 10.16251/j.cnki.1009-2307.2011.02.062
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