%0 Journal Article %K Energy efficiency %K China %K Data mining %K Big data %K VRF system %K System performance %A Mingyang Qian %A Da Yan %A Tianzhen Hong %A Hua Liu %B Energy and Buildings %D 2021 %G eng %P 110519 %R 10.1016/j.enbuild.2020.110519 %T Operation and performance of VRF systems: Mining a large-scale dataset %V 230 %8 01/2021 %9 Jornal %! Energy and Buildings