G. Barzdins, D. Gosko, K. Cerans, O. F. Barzdins, A. Znotins, P. F. Barzdins, N. Gruzitis, M. Grasmanis, J. Barzdins, U. Lavrinovics, S. K. Mayer, I. Students, E. Celms, A. Sprogis, G. Nespore-Berzkalne, and P. Paikens. Pini Language and PiniTree Ontology Editor: Annotation and Verbalisation for Atomised Journalism. Proceedings of the 17th Extended Semantic Web Conference (ESWC): Posters and Demos, 2020. K. Cerans, R. Liepins, A. Sprogis, J. Ovcinnikova, and G. Barzdins. Domain-specific OWL ontology visualization with OWLGrEd. The Semantic Web: ESWC 2012 Satellite Events, Springer, volume 7540, 2015. K. Cerans, G. Barzdins, R. Liepins, J. Ovcinnikova, S. Rikacovs, and A. Sprogis. Graphical schema editing for StarDog OWL/RDF databases using OWLGrEd/S. Proceedings of the Workshop on OWL: Experiences and Directions (OWLED), 2012. J. Barzdins, G. Barzdins, K. Cerans, R. Liepins, and A. Sprogis. OWLGrEd: a UML style graphical editor for OWL. Proceedings of the Workshop on Ontology Repositories and Editors for the Semantic Web, 2010. J. Barzdins, G. Barzdins, K. Cerans, R. Liepins, and A. Sprogis. OWLGrEd: a UML style graphical notation and editor for OWL 2. Proceedings of the Workshop on OWL: Experiences and Directions (OWLED), 2010. J. Barzdins, G. Barzdins, K. Cerans, R. Liepins, and A. Sprogis. UML style graphical notation and editor for OWL 2. Perspectives in Business Informatics Research, Springer, volume 64, 2010.