About: http://webisa.webdatacommons.org/279502830

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	For example, a single (only one check or other sheet) may produce an average phase delay in the ultrasonic sound signal of about 0.5 ?? rad.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com