About: http://webisa.webdatacommons.org/209368913

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	By this time, the previous URL (which had the keyword and other information) is no more there.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com