About: http://webisa.webdatacommons.org/336718557

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Facebook, Twitter and Google+ have established themselves as the mostly used social sharing websites though Digg, StumbleUpon and LinkedIn are not far behind.
http://www.w3.org/ns/prov#wasQuotedFrom	smashingmagazine.com