提出了本体表达地理空间实体类型语义的方法;
The method of semantics expression of geospatial entity classes based on ontology is put forward.
地理空间实体类型语义相似度对于类型数据库综合具有重要理论意义。
Semantic similarity among geospatial entity classes is an important theoretic problem in categorical database generalization.
面向对象的地理信息模型以地理空间实体为对象,地理实体可以从几何数据、符号数据、实体数据、属性数据的角度来进行数据的组织。
A geo-spatial entity which can be organized from geometric data, symbol data, entity data, attribute data is regarded as an object to the object oriented geographical information model.
传统的城市规划学和地理学的研究重心是对城市建筑实体的空间组织和管理。
The traditional urban planning and city geography all regard entity of urban construction as the main research object.
空间数据是对现实世界地理实体的抽象。
Spatial data is the abstract of geographical entity in the real world.
序列结构元素尺寸与地理实体的空间尺度之间存在着一一对应的关系。
There exists one-to-one relationship between the sequence structure element's size and the space scale of geography entity.
在时空数据库中,地理实体模型包括地理对象空间信息和时态信息。
In spatiotemporal database, geographic entity model includes spatial and temporal information of geographic object.
空间信息计算平台、3维空间实体的直接分析将是新一代地理信息系统的主要特征。
Space information computing platform and the direct analysis of3-D spatial substance will be the main characteristics of the new generation GIS.
空间自相关是地理信息科学目前研究的热点问题,作为空间数据挖掘的一种手段,它着重分析了空间实体的聚集程度,阐释了事物之间普遍联系的准则。
As a hot topic in present GIS research, and as one of the ways of spatial data mining, the spatial autocorrelation focuses on spatial data convergence and shows that everything is related with others.
本文探讨了地理空间要素多尺度表达在几何层次、实体层次、属性层次方面的多尺度表现特征。
The hierarchical characteristics in multi-representations for geographical features were explored, namely multi-geometries hierarchy, multi-entities hierarchy and multi-attributes hierarchy.
查明了通辽地区第四纪地质实体各期岩相古地理、沉积构造特征、地层空间结构、沉积物粒度的空间变异,据此进行了地层分区。
Such as the sediment structure characteristic of paled geography and formation the spatial structure of formation, the spatial variation of sediment size.
区域是GIS空间分析的基本单元。它是环境科学、土壤科学等领域中广泛存在的一类地理实体。
Region is one basic unit of spatial analysis in GIS applications, which is a kind of entity existing widely in many fields such as environment science, land information science and so on.
区域是GIS空间分析的基本单元。它是环境科学、土壤科学等领域中广泛存在的一类地理实体。
Region is one basic unit of spatial analysis in GIS applications, which is a kind of entity existing widely in many fields such as environment science, land information science and so on.
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