About: http://webisa.webdatacommons.org/132603130

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 answer is simple: They just can't.So the only choice to determine whether a video is an illegal copy of a copyrighted work or not, is to watch it.So - viacom complains that there are tons of copyrighted videos in youtube.
http://www.w3.org/ns/prov#wasQuotedFrom	slashdot.org