CHRISTOU IT, MICHALAKOS S. G2G: LOCATION-AWARE MOBILE SOCIAL NETWORKING WITH APPLICATIONS IN PERSONALIZED RECOMMENDER SYSTEMS. JMM [Internet]. 2009 Sep. 23 [cited 2026 Jun. 1];6(1):073-94. Available from: https://journals.riverpublishers.com/index.php/JMM/article/view/4785