Ontology-Driven Conceptual Modeling with UFO, gUFO, and
                         OntoUML - Abstract
                         Giancarlo Guizzardi
                         Semantics, Cybersecurity & Services, University of Twente, Enschede, The Netherlands


                                                              Abstract
                                                              Conceptual Modeling is about creating concrete artifacts that are meant to represent our
                                                              conceptualizations of reality for the purpose of communication, domain understanding,
                                                              problem-solving and meaning negotiation. The artifacts produced by this activity (i.e.,
                                                              conceptual models), thus, serve as an interface between reality and human cognition. For this
                                                              reason, conceptual modeling languages and conceptual models should be designed by taking
                                                              very seriously the nature of reality as structured by human cognition, i.e., by systematically
                                                              employing the-called Descriptive Ontologies. This tutorial revisits a 20-year effort in creating
                                                              one such Descriptive Ontology, namely, the Unified Foundational Ontology (UFO), as well as
                                                              a set of conceptual modeling tools based on it. These include the modeling language
                                                              OntoUML, several patterns and anti-patterns associated with this language, as well as a recent
                                                              lightweight implementation of UFO termed gUFO (gentle UFO - https://nemo-
                                                              ufes.github.io/gufo/), which supports the construction of UFO-informed knowledge structuring
                                                              artifacts (e.g., Knowledge Graphs). The tutorial illustrates these tools in several real-world
                                                              scenarios.

                                                              Keywords 1
                                                              Foundational Ontologies, Conceptual Modeling, UFO, OntoUML, gUFO




                         Proceedings of the International Conference on Biomedical Ontologies 2023, August 28th-September 1st, 2023, Brasilia, Brazil
                         EMAIL: g.guizzardi@utwente.nl
                         ORCID: 0000-0002-3452-553X
                                                           © 2023 Copyright for this paper by its authors.
                                                           Use permitted under Creative Commons License Attribution 4.0 International (CC BY 4.0).
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