Context-awareness in wireless and mobile computing revisited to embrace social networking. - Ioanna Roussaki; Nikos Kalatzis; Nicolas Liampotis; Pavlos Kosmides; Miltiades E. Anagnostou; Kevin Doolin; Edel Jennings; Yiorgos Bouloudis; Stavros Xynogalas (IEEE Commun. Mag., 2012)