该文还介绍了三种查询方法：空间选择查询、空间连接查询和最近邻居查询。
The paper presents three methods of spatial queries: spatial Select Query, spatial Joint Query, and Nearest Neighbor Query.
本文总结出空间索引系统应提供的三类空间查询：空间范围查询、最近邻居查询、空间连接查询。
We summarize that spatial index system should provides three kinds of spatial query, they are, spatial range query, nearest neighbor query, spatial join query.
QueryPath 附带的例子展示了如何设置连接参数、对 SPARQL 端点执行 SPARQL 查询以及解析复杂的、多名称空间的文档。
The examples that ship with QueryPath show how to set connection parameters, execute SPARQL queries against SPARQL endpoints, and parse complex, multi-namespaced documents.
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