Investigation and prediction of Energy consumption at St. Olavs HospitalKristofersen, by Hans Smedsrud, Kai Xue, Zhirong Yang, Liv-Inger Stenstad, Tor Emil Giske and Guangyu CaoE3S Web Conf., 246 (2021) 04003DOI: https://doi.org/10.1051/e3sconf/202124604003