About: http://webisa.webdatacommons.org/200648567

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 present invention relates to closed-captioning and other data appearing on the vertical blanking interval of a video image signal.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk