About: http://webisa.webdatacommons.org/2672722

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	Further, if light modifiers such as umbrellas or soft boxes are used we need to make sure that the flash unit???s sensor is still able to ???see??? the subject.
http://www.w3.org/ns/prov#wasQuotedFrom	picturecorrect.com