About: http://webisa.webdatacommons.org/218541792

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 question allowed not only binary operations but also unary operations, such as taking the square root or factorials.
http://www.w3.org/ns/prov#wasQuotedFrom	mathematica-journal.com