<http://webisa.webdatacommons.org/prov/72708168> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/57243477> . <http://webisa.webdatacommons.org/57243477> <http://www.w3.org/ns/prov#wasQuotedFrom> <debka.com> . <http://webisa.webdatacommons.org/57243477> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> . <http://webisa.webdatacommons.org/prov/382769648> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/57243477> . <http://webisa.webdatacommons.org/prov/494038005> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/57243477> . <http://webisa.webdatacommons.org/57243477> <http://www.w3.org/ns/prov#value> "Iran's opposition leaders relied heavily on YouTube, Twitter, Facebook, Flickr and other social sites to orchestrate their street rallies and expose regime repression." .