The Semantic Web: ESWC 2021 Satellite Events : Virtual Event, June 6-10, 2021, Revised Selected Papers - Verborgh, Ruben; Alam, Mehwish; Bröring, Arne; d'Amato, Claudia; Dimou, Anastasia; Hogan, Aidan; Mayer, Simon; Ongenae, Femke; Tiddi, Ilaria; Tommasini, Riccardo (Springer International Publishing, 2021)