About: http://webisa.webdatacommons.org/98718877

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	The DR400% setting (and the like) that you refer to is an in-camera push of an underexposed shot with a tone curve adjustment to compress more highlight info in an area below the clipping level, in essence.
http://www.w3.org/ns/prov#wasQuotedFrom	dpreview.com