María Poveda-Villalón Serge Chávez-Feria Sergio Carulli-Pérez Raúl García-Castro Towards a UML-based notation for OWL ontologies. 18-27 2023 VOILA@ISWC https://ceur-ws.org/Vol-3508/paper2.pdf conf/semweb/2023voila db/conf/semweb/voila2023.html#Poveda-Villalon23