...面向实体数据模型；面向对象的空间数据 模型；数据操纵；区域连接演算；九交模型 [gap=839]keywords: topology data model; entity-oriented data model;object-oriented spatial data model; data manipulation; region-connection calcul..
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The object-oriented model includes many of the concepts of the entity-relationship model, but represents executable code as well as data.
物件定向的模型含实质- 联系的模型许多观念， 但是表现可运行的码和数据。
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.
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。
Here we describe knowledge representation model oriented entity, database conversion, instantiation of the knowledge base, rule editor and data check-up algorithm.
在这里我们描述了面向实体的知识表示模型、数据库到知识库的转换、知识库的实例化、规则编辑器以及数据校验算法。
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