AUTHOR=Pettersen Svein A. , Johansen Håvard D. , Baptista Ivan A. M. , Halvorsen Pål , Johansen Dag TITLE=Quantified Soccer Using Positional Data: A Case Study JOURNAL=Frontiers in Physiology VOLUME=Volume 9 - 2018 YEAR=2018 URL=https://www.frontiersin.org/journals/physiology/articles/10.3389/fphys.2018.00866 DOI=10.3389/fphys.2018.00866 ISSN=1664-042X