Liliana Ardissono Anna Goy Giovanna Petrone Marino Segnan SynCFr: Synchronization Collaboration Framework. 18-23 2009 ICIW http://dx.doi.org/10.1109/ICIW.2009.11 conf/iciw/2009 db/conf/iciw/iciw2009.html#ArdissonoGPS09