OntoUML Metamodel Overview
The OntoUML Metamodel defines the implementation-independent structure of the OntoUML language, incorporating FAIR principles of Findability, Interoperability, Accessibility, and Reusability.
LinkML – Linked Data Modeling Language
LinkML is an open-source data modeling framework that simplifies the creation of FAIR (Findable, Accessible, Interoperable, and Reusable) data models.