46th International Colloquium on Automata, Languages, and Programming ICALP 2019, July 9–12, 2019, Patras, Greece - Baier, Christel; Chatzigiannakis, Ioannis; Flocchini, Paola; Leonardi, Stefano (Schloss Dagstuhl - Leibniz-Zentrum für Informatik GmbH, Dagstuhl Publishing, 2019)