About: http://webisa.webdatacommons.org/40869227

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	In one embodiment, the quad-sum signal is used for extracting information indicative of the presence or other properties of the investigational structure disposed in the disc assembly.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com