Metadata, Domain Specific Languages and Visualisations as Internal Artifacts Driving an Agile Knowledge Engineering Methodology. - Angelos Yannopoulos; Yannis Christodoulou; Effie J. Bountris; Katia Savrami; Maria Douza (MTSR, 2013)

Ontology-Driven Interactive Visualization of Film Production Complexity Using a Visual Language. - Yannis Christodoulou; Angelos Yannopoulos; Effie J. Bountris; Theodora A. Varvarigou (Int. J. Semantic Web Inf. Syst., 2016)