TY - RPRT TI - Heterogeneous Hierarchical Workflow Composition AU - Yildiz, Orcun AU - Ejarque, Jorge AU - Chan, Henry AU - Sankaranarayanan, Subramanian AU - Badia, Rosa M. AU - Peterka, Tom PY - 2019 DO - 10.1109/mcse.2019.2918766 UR - https://www.osti.gov/biblio/1550805 ID - 1550805 ER -