Patrizio Campisi Emanuele Maiorana Alessandro Neri 0001 Privacy protection in social media networks a dream that can come true? 1-5 2009 DPS https://doi.org/10.1109/ICDSP.2009.5201125 conf/icdsp/2009 db/conf/icdsp/icdsp2009.html#CampisiM009