Frontiers in Algorithmics 13th International Workshop, FAW 2019, Sanya, China, April 29 - May 3, 2019, Proceedings - Chen, Yijia; Chen, Yijia; Deng, Xiaotie; Deng, Xiaotie; Lu, Mei; Lu, Mei (Springer International Publishing : Imprint: Springer, 2019)