PET: Reducing Database Energy Cost via Query Optimization

   @article{xu2012pet,
       title={PET: reducing database energy cost via query optimization},
       author={Xu, Zichen and Tu, Yi-Cheng and Wang, Xiaorui},
       journal={Proceedings of the VLDB Endowment},
       volume={5},
       number={12},
       pages={1954--1957},
       year={2012},
       publisher={VLDB Endowment}
   }