The Semantic Web: ESWC 2019 Satellite Events - Hitzler; de Boer, Victor; Hammar, Karl; Hartig, Olaf; Kirrane, Sabrina; Lasierra, Nelia; Maleshkova, Maria; Schlobach, Stefan; Stadtmüller, Steffen; Vidal, Maria Esther (Springer International Publishing, 2019)