About: http://webisa.webdatacommons.org/173880963

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	The third is used all the time, especially in algebra, also very important and useful.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com