Definition: Ontology ABB is a Data object that is also referred to as ontology specification, is a a formal specification describing the concepts and relationships that can formally exist for an agent or a community of agents (e.g. domain experts). It encompasses a representation, formal naming, and definition of the categories, properties, and relations between the concepts, data, and entities that substantiate one, many, or all domains of discourse. Source: SEMIC Source reference: https://semiceu.github.io/style-guide/1.0.0/terminological-clarifications.html#sec:what-is-an-ontology Last modification: 2024-01-28 Identifier: http://data.europa.eu/dr8/OntologyDataObject LOST view: Semantic view EIRA concept: eira:ArchitectureBuildingBlock ABB name: eira:OntologyDataObject Example: The following implementation is an example on how this specific Architecture Building Block (ABB) can be instantiated as a Solution Building Block (SBB): Medical Dictionary for Regulatory Activities Terminology (MedDRA) - The university ontology includes classes, e.g., :Staff, :Students, :Department or :Course. These classes denote natural concepts that are shared or at least understood by users familiar with universities all over the world. Universities ontologies can be view in university portals.(http://bioportal.bioontology.org/ontologies/MEDDRA) Interoperability Saliency: The Ontology ABB is salient for semantic interoperability because it establishes a shared and formal conceptualisation of a domain. By defining classes, properties, datatypes, and controlled lists using globally unique identifiers (URIs) and human-readable labels, it enables consistent interpretation of data across systems, organisations, and borders. Ontologies support reuse, extensibility, and logical inference, thus facilitating structural and semantic alignment between heterogeneous systems. Additional information: Ontology ABB is a Data Object aiming to be a formal description of knowledge, as a set of concepts, within a domain and the axioms connecting concepts and allowing for logic inferences. When speaking about an ontology, we do not refer only to the terminology (or T-Box) but also to all the “assertions” about the concepts and roles (the A-Box), i.e. all the individuals or instances of concepts and roles of the terminology and as important, the rules for logic inference: the semantics “part". The main purpose of this component is to declare the classes, properties, datatypes and controlled lists. Each construct is established by assigning a URI and decorating it with human-readable labels and descriptions, and constitutes the mechanism to establish common references for humans and machines. Interoperability Dimension: Structural IoP Viewpoint: Interoperability Privacy viewpoint Additional identifier: http://data.europa.eu/dr8/OntologyDataObject EIF Layer: Semantic