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)