About: http://webisa.webdatacommons.org/271021500

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	where m is a degree of the rotational frequency and any integer from 1 to 4.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com