About: http://webisa.webdatacommons.org/443406149

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	If the request signal is negated at the time when the boundary signal is asserted, then the boundary signal remains valid as long as the valid data signal is asserted.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com