About: http://webisa.webdatacommons.org/20014232

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	An operator is a sequence of up to NAMEDATALEN-1 (63 by default) characters from
http://www.w3.org/ns/prov#wasQuotedFrom	postgresql.org