Foundational ontologies play a prominent role in ontology-based conceptual and data modeling by ofering conceptually and logically well-founded top-level architectures that can be extended to meet specific application needs. Due to their complexity, it is common for both novices and experts in the field to seek theoretical knowledge about them and practical competencies regarding their use. The core objective of the tutorial is to balance these dimensions, introducing participants to various aspects of the theoretical background and practical use of foundational ontologies. In particular, the tutorial will focus on the foundational ontology dolce - Descriptive Ontology for Linguistic and Cognitive Engineering, and its recent release in the Web Ontology Language (OWL). Attendees will gain introductory knowledge about dolce, as well as hands-on experience with its OWL release consisting of two modules: DOLCEbasicOWL and DOLCEnaryRelOWL. The first module includes the taxonomy of classes along with OWL axioms to characterize the extension of the classes. The second module, built upon the basic module, incorporates the reification of n-ary relationships to maintain the ability to represent temporalized relations. This modular architecture aims to facilitate the OWL extension of dolce for specific research and application purposes. Throughout the tutorial, we will introduce modeling examples from the field of industrial engineering, ontology patterns to represent them, as well as tools for manipulating datasets formalized according to dolce in OWL using the SPARQL query/update language.1 We wish to thank all colleagues who have contributed to research work leading to this tutorial (in alphabetic order): Stefano Borgo, Roberta Ferrario, Nicola Guarino, Claudio Masolo, Daniele Porello, and Laure Vieu. 1All materials for the tutorial are available at: https://github.com/appliedontolab/DOLCE. Proceedings of the Joint Ontology Workshops (JOWO) - Episode X: The Tukker Zomer of Ontology, and satellite events co-located with the 14th International Conference on Formal Ontology in Information Systems (FOIS 2024), July 15-19, 2024, Enschede, The Netherlands * Corresponding author. $ emilio.sanfilippo@cnr.it (E. M. Sanfilippo); walter.terkaj@cnr.it (W. Terkaj)
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