About: http://webisa.webdatacommons.org/238426641

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	People have been congregating in online social spaces, such as Twitter, Facebook, YouTube and Flickr for years.
http://www.w3.org/ns/prov#wasQuotedFrom	slideshare.net