About: http://webisa.webdatacommons.org/435140725

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	???Today is the darkest day in the history of the Shanghai Metro???s operation,??? said a news report by Chinese internet company Sina, citing the subway operator???s official microblog.
http://www.w3.org/ns/prov#wasQuotedFrom	nationalpost.com