About: http://webisa.webdatacommons.org/187389873

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	However, there is a problem - a key is allowed to have multiple values.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com