基本方向约束的一致性判定是定性空间推理中的基本问题之一。
Consistency checking of cardinal direction constraints is one of the essential issues in qualitative spatial reasoning.
最后通过两个算例说明了本文给出的一致性判定方法和方案排序方法。
Finally, two examples are chosen to illustrate the consistency judgment approaches and the ranking approach of alternatives.
在空间推理方面，主要解决了空间拓扑关系一致性判定和隐性空间信息获取等问题。
While, in respect of spatial reasoning, the problems such as consistency checking and implicit information obtaining are addressed.
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