PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However most of the pictures you take are outside and if you are not a professional photographer you won???t be able to carry your artificial sources of light everywhere you go, hence this is when natural light comes into the picture.
http://www.w3.org/ns/prov#wasQuotedFrom
  • designmodo.com