About: http://webisa.webdatacommons.org/447545915

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	Such an apparatus should be simple to use (for example, requiring minimal or no computer operating or keyboarding skills) and either be inexpensive or use readily available technology such as a personal computer with a sound card.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com