Stefano Ceri Adnan Abid Mamoun Abu Helou Davide Francesco Barbieri Alessandro Bozzon Daniele Braga Marco Brambilla Alessandro Campi Francesco Corcoglioniti Emanuele Della Valle Davide Eynard Piero Fraternali Michael Grossniklaus Davide Martinenghi Stefania Ronchi Marco Tagliasacchi Salvatore Vadacca Search Computing: Managing Complex Search Queries. 14-22 2010 14 IEEE Internet Computing 6 http://doi.ieeecomputersociety.org/10.1109/MIC.2010.106 db/journals/internet/internet14.html#CeriAHBBBBCCVEFGMRTV10