1. Mind the Gap! A quantitative comparison between ship-to-ship communication and intended communication protocol;Boström;Saf. Sci.,2020
2. A roadmap to ontology specification languages;Corcho,2000
3. Ontology evolution;De Leenheer,2008
4. Overview of definitions of maritime safety, safety at sea, navigational safety and safety in general;Formela;The Int. J. Mar. Navi. Safet. Sea Transp.,2019