query graph的用法和樣例：
例句
- The right side of the diagram shows the elements that are included in the current query.
右邊的關(guān)系圖顯示了當前查詢(xún)中包含的元素。 - An approach to approximate querying of general graph structured semistructured data is proposed based on a relational database system.
提出一種利用關(guān)系數據庫系統在一般圖結構的半結構化數據上進(jìn)行近似查詢(xún)的途徑。
