About: http://webisa.webdatacommons.org/58244200

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	If two reference fields are used, the encoder signals (2540) a reference field selection for a motion vector of a block, macroblock, or other portion of the interlaced P-field.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr