Advent: a system architecture for advanced monitoring of elders with chronic conditions. - Theodor C. Panagiotakopoulos; Christos P. Antonopoulos; George Koutalieris; Panagiotis Kalantzis; Costas Theodoropoulos; George Koumanakos; Achilles Kameas; Nikolaos S. Voros; Stavros A. Koubias (PETRA, 2014)