OEOX – A Post-Coordination Extension for the Open Energy Ontology

The Open Energy Ontology (OEO) is being developed as a domain ontology for energy system modelling. To increase its usability and react to user requirements, we introduce a post-coordination extension to OEO, the Open Energy Ontology Extended (OEOX). We create OEOX as an ontology for specific energy-related terms with a high complexity that go beyond the level of detail of the standard OEO class hierarchy. It allows for a dynamic ontology composition, enabling precise and tailored annotations for energy system data sets, requiring only minimal manual intervention or curation. In this paper, we describe the user-driven motivation for this ontology extension (Section 2). We illustrate the methodology and early-state practical implementation on behalf of post-composition patterns (Section 3). The ontological annotation of datasets in real-world applications and the usage of OEOX is described in Section 4, complemented by conclusions and summary in Section 5.

Published in: 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), Enschede, The Netherlands, July 15-19, 2024, CEUR-WS.org.

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