Alessandro Bozzon Marco Brambilla Stefano Ceri Silvia Quarteroni A Framework for Integrating, Exploring, and Searching Location-Based Web Data. 24-31 2011 15 IEEE Internet Computing 6 http://doi.ieeecomputersociety.org/10.1109/MIC.2011.136 db/journals/internet/internet15.html#BozzonBCQ11