Ontologies are not expected to be accessed by final users, thus they are encapsulated with tools providing input and output interfaces for ontology access. These interfaces guarantee consistency and correct interpretation of data in terms of ontology representation.

Novak, P., Sindelar, R., Mordinyi, R.: Integration Framework for Simulations and SCADA Systems. Simulation Modelling Practice and Theory, Elsevier, September 2014, DOI: 10.1016/j.simpat.2014.05.010 [-]