Wang, Shuliang; Jin, Fusheng; Yang, Yifeng; Xue, Ye; … - In: International Journal of Data Warehousing and Mining (IJDWM) 14 (2018) 4, pp. 67-89
provide a transformed efficient query tree as a replacement for a query graph. In order to get the tree, they present a cost … evaluation model which may help to generate the efficient query tree according to network communication-cost and calculation …
