About: http://webisa.webdatacommons.org/391569727

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	std::pair is a data type for grouping two values together as a single object. std::map uses it for key, value pairs.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com