A Proposal for Design and Implementation of an Hybrid Navigation System Based on Open Data, Augmented Reality and Big Data - Applications for the Smart Cities. - Benito Zaragozí; Pablo Giménez-Font; José Tomás Navarro-Carrión; Antonio Rico-Amorós; Alfredo Ramón-Morte; Antonio Belda-Antolí (GISTAM, 2015)