About: http://webisa.webdatacommons.org/225931828

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	The scheme also requires a rather complicated driving scheme including frequency filtering and mixing circuits in other to accomplish correct type of modulation between the acoustic fields.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com