About: http://webisa.webdatacommons.org/187904228

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	Twitter is a free social networking and micro-blogging service that allows its users to send and read other users' updates (otherwise known as???
http://www.w3.org/ns/prov#wasQuotedFrom	ning.com