OntoUML Metamodel Overview
The OntoUML Metamodel defines the implementation-independent structure of the OntoUML language, incorporating FAIR principles of Findability, Interoperability, Accessibility, and Reusability.
OntoUML Community Portal
OntoUML is an ontologically well-founded language for ontology-driven conceptual modeling, built as a UML extension based on the Unified Foundational Ontology (UFO).
On the Philosophical Foundations of Conceptual Models
The paper proposes a characterization of conceptual models with respect to conceptual semantics and ontological commitments.
Ontological foundations for structural conceptual models
The main objective of this thesis is to contribute to the theory of Conceptual Modeling by proposing ontological foundations for structural conceptual models.