About: http://webisa.webdatacommons.org/45167299

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	Sometimes there were two standards operating at the same time, such as short and long, light and heavy, common and royal.
http://www.w3.org/ns/prov#wasQuotedFrom	studylight.org