L. Johansson, V. Epitropou, K. Karatzas, A. Karppinen, L. Wanner, S. Vrochidis, A. Bassoukos, J. Kukkonen, I. Kompatsiaris. “Fusion of meteorological and air quality data extracted from the web for personalized environmental information services“. Environmental Modeling and Software Journal, 2015, Volume 64, February 2015, pp. 143–155, 12 December 2014.