<http://webisa.webdatacommons.org/4350917>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/4350917>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<dpreview.com> .
<http://webisa.webdatacommons.org/prov/169956763>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/4350917> .
<http://webisa.webdatacommons.org/4350917>	<http://www.w3.org/ns/prov#value>	"Carl Maiorino wrote:Robin,The purpose of my post I obvious...there is a lot of buzz about oil spots but all I see as samples are images shot at f/16 of white walls...what I was looking for (and what I believe nobody really provided) was an image spoiled by the dust or oil spots." .