About: http://webisa.webdatacommons.org/102484801

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	All the examples given, such as Time and Vector classes, all have intuitive definitions for the operators.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com