About: http://webisa.webdatacommons.org/454484340

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	Since a muxer would want this information, especially the framerate which is required to map the granulepos to time, it is proposed that some sort of abstract be prepended to the bos packet to simplify obtaining this information.
http://www.w3.org/ns/prov#wasQuotedFrom	xiph.org