<http://webisa.webdatacommons.org/22080488>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/22080488>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/22080488>	<http://www.w3.org/ns/prov#value>	"This invention relates to video signal processing or viewing systems, especially though not exclusively for editing or keying programs for television." .
<http://webisa.webdatacommons.org/prov/270960168>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/22080488> .