About: http://webisa.webdatacommons.org/129788264

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	FIG. 25 illustrates challenge 2500 in which a user may provide a picture, video, text, or other content to offer a challenge to additional participants.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com