A data graph is a collection of tree-structured or graph-structured data objects.
数据图是树形结构或图形结构的数据对象的集合。
A data graph is a collection of tree-structured objects that might be disconnected from the data source.
数据图就是一组可以从数据源中分离出来的树形结构的对象。
An approach to approximate querying of general graph structured semistructured data is proposed based on a relational database system.
提出一种利用关系数据库系统在一般图结构的半结构化数据上进行近似查询的途径。
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