... 关键词： 地理知识库;;地理本体;;知识库构建;;知识库检索 [gap=788]Keywords: geographic knowledge base,geographic ontology,knowledge base construction,knowledge base retrieval ..
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...地理本体；综述；地理信息分类；语义集成；时空本体；语义网格 [gap=978]Key words: geographical information system; geo-ontology; reviews; geographic information classification; semantic integration; space-ti..
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The paper discusses many methods that improve query efficiency, including optimized query, expanded query and presentation of query results based geographic ontology, designs and realizes an urban geographic information query prototype.
最后,就地理信息检索,论文提出了基于地理本体的查询式优化、查询式扩展以及查询结果知识化等提高信息查询效率的方法,设计并实现了基于本体的城市地理信息查询原型系统。
参考来源 - 基于本体的地理信息检索方法研究The differences in understanding semantic characters of geo-spatial relationships had brought so much inconvenience to spatial data sharing, and it also made spatial reasoning difficult. Some potential concepts and connections in data could be found using geo-ontology.
地理空间关系的语义特征理解差异给空间数据共享带了极大不便,也是造成空间推理困难的主要原因之一,而利用地理本体可以发现数据源中的一些隐在的概念或关系。
参考来源 - 基于Jena和地理本体的空间推理方法研究A research on geo-ontology is the important content of Geographic Information Science and Digital Earth.
地理本体研究是一个崭新的研究领域,是地球空间信息科学和数字地球的重要研究内容之一。
参考来源 - 基于本体的地理信息查询机制研究·2,447,543篇论文数据，部分数据来源于NoteExpress
为了实现地理本体之间的语义集成，提出了基于范畴论的方法。
To realize the semantic integration between geo-ontology, a category theory method is proposed in which the geo-ontology is viewed as abstracted objects of category.
实验表明，这种本体的形式化表达机制是可行的，能够有效地表达地理本体的空间特征。
The tests prove that the formal representation mechanism is feasible and can describe spatial properties of geographic ontology effectively.
地理本体描述了地理信息科学领域内不同层次和不同应用方向上的地理空间概念的详细内涵和层次关系。
The Geo-ontology describes different levels and applications of the detailed connotation and level relations about geography spatial concept in the domain of geography information science.
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