Implementing a Flexible, Fault Tolerant Job Management System for Science Gateways. - Dimuthu Wannipurage; Suresh Marru; Marlon E. Pierce; Eroma Abeysinghe; Sudhakar Pamidighantam; Marcus Christie; Gourav Shenoy; Ajinkya Dhamnaskar; Lahiru Jayathilaka (PEARC, 2019)