About: http://webisa.webdatacommons.org/418087970

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	Users follow each other (upstream & downstream), and they share messages containing images, including animated GIFs and slideshows, music & sound effects, and video.
http://www.w3.org/ns/prov#wasQuotedFrom	quicksprout.com