Finally, a few syntactic patterns are presented for query representation of natural-language spatial relations in GIS.
最后,探讨了GIS中自然语言空间关系查询请求表达的句法模式及其解析方法。
It provides a rich representation of the data model that supports semantic query.
它为数据模型提供了一个丰富的表示并支持语义化的查询。
We can then examine the equivalent symbolic tree representation of this query plan in Figure 1.
随后,我们可以查看图1,其中展示了这个查询计划的等效符号树表示形式。
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