Aidan Hogan Tova Milo Proceedings of the 13th Alberto Mendelzon International Workshop on Foundations of Data Management, Asunción, Paraguay, June 3-7, 2019. AMW CEUR-WS.org CEUR Workshop Proceedings 2369 2019 https://ceur-ws.org/Vol-2369 https://nbn-resolving.org/urn:nbn:de:0074-2369-9 db/conf/amw/amw2019.html