About: http://webisa.webdatacommons.org/3030003

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 you are not taking in user ratings for the pictures, then you can set the data types to Boolean and have it so the default is null (i.e. if nothing was entered, then it will say Null).
http://www.w3.org/ns/prov#wasQuotedFrom	webdeveloper.com