About: http://webisa.webdatacommons.org/452340416

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	Thus, as used herein, the term ???video signal source??? includes myriad types of signal or content providers including CATV service providers, video servers and the like.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com