About: http://webisa.webdatacommons.org/165051743

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	Other frequencies, such as 50 Hz, will use a different number for that constant.
http://www.w3.org/ns/prov#wasQuotedFrom	hvac-talk.com