About: http://webisa.webdatacommons.org/342820136

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 conceal flag is set, the frame currently being processed is an I-frame that carried a test signal so the test signal is moved out of the current picture into test signal line in block 2520.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com