About: http://webisa.webdatacommons.org/133179474

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	Does the Hz have to be exactly 426.6 for best results, or will another frequency, such as 440, work just as well?
http://www.w3.org/ns/prov#wasQuotedFrom	ning.com