@book {100, title = {Ζητήματα Ανάπτυξης Συστημάτων Διάχυτου Υπολογισμού που Σχετίζονται με τον Άνθρωπο και την Κοινωνία (Issues on the development of Ubiquitous Computing Systems related to Humans and the Society)}, year = {2015}, publisher = {Hellenic Open University Press}, organization = {Hellenic Open University Press}, edition = {1st Edition}, address = {Patras, Greece}, keywords = {Ubiquitous computing}, issn = {978-960-538-981-9}, author = {Zaharakis, Ioannis and Andreas Komninos and Vassilios Koutkias} }