Heterogeneous Data Management, Polystores, and Analytics for Healthcare VLDB 2018 Workshops, Poly and DMAH, Rio de Janeiro, Brazil, August 31, 2018, Revised Selected Papers - Gadepally, Vijay; Gadepally, Vijay; Mattson, Timothy; Mattson, Timothy; Stonebraker, Michael; Stonebraker, Michael; Wang, Fusheng; Wang, Fusheng; Luo, Gang; Luo, Gang; Teodoro, George; Teodoro, George (Springer International Publishing : Imprint: Springer, 2019)