George Karakatsiotis

Athens University of Economics and Business

Papers

Total Citations

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About

George Karakatsiotis is a researcher whose work lies at the intersection of natural language generation (NLG), the Semantic Web, and virtual environments. His key contributions focus on making structured knowledge accessible through human-readable text. Karakatsiotis is best known for developing **NaturalOWL**, an open-source NLG engine that produces fluent descriptions of entities and classes from OWL ontologies. This work, detailed in his most cited paper (31 citations), was groundbreaking in its ability to generate text in both English and Greek, bridging a gap between formal knowledge representation and natural communication. He demonstrated this technology through a plug-in for the popular ontology editor Protégé and, innovatively, within the virtual world of Second Life. His related paper on building an adaptive museum gallery in Second Life (31 citations) showcases a practical application, where the system tailors descriptions to individual visitors based on their interests and interaction history. By enabling dynamic, personalized text from formal ontologies, Karakatsiotis has made a notable contribution to making the Semantic Web more user-friendly and interactive, paving the way for context-aware information delivery in both educational and virtual settings.