About: http://webisa.webdatacommons.org/346461348

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	I???ve not seen this specific phrasing before, but the straightforward interpretation is that the winning photographers release their copyrights, i.e. the winners would no longer hold any rights to their winning images.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com