About: http://webisa.webdatacommons.org/377095229

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	Such operators do not have any other inputs, and hence they can be shared between different queries as long as the operators have the same name, e.g. if the operators represent the same relation.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com