Comparing Representations of Geographic Knowledge Expressed as Conceptual Graphs. - Athanasios Karalopoulos; Margarita Kokla; Marinos Kavouras (GeoS, 2005)

Promoting Interoperability in Europe's E-Government. - Konstantinos Bovalis; Vassilios Peristeras; Margarida Abecasis; Raul-Mario Abril-Jimenez; Miguel Alvarez Rodriguez; Corinne Gattegno; Athanasios Karalopoulos; Ioannis Sagias; Szabolcs Szekacs; Suzanne Wigard (Computer, 2014)

Open Science, Open Data, and Open Scholarship: European Policies to Make Science Fit for the Twenty-First Century. - Jean Claude Burgelman; Corina Pascu; Katarzyna Szkuta; René von Schomberg; Athanasios Karalopoulos; Konstantinos Repanas; Michel Schouppe (Frontiers Big Data, 2019)