About: http://webisa.webdatacommons.org/298897133

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	Second, 15 or 30 second pre-roll ads are the greatest length you should shoot for when it comes to YouTube.
http://www.w3.org/ns/prov#wasQuotedFrom	campaignsandelections.com