About: http://webisa.webdatacommons.org/100719151

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 phase logic circuit 108 then provides phase error signals ??ERROR to a logic control circuit 110 indicating the phase shift and other conditions, including the direction of the phase shift.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com