<http://webisa.webdatacommons.org/prov/80971807>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/161699384> .
<http://webisa.webdatacommons.org/161699384>	<http://www.w3.org/ns/prov#value>	"ted by said light source obtained via said polarizing filter and said variation determination module is operable to utilise image data representative of an individual illuminated by said light source obtained in the absence of said polarizing filter to determine variations in appearance of an individual's skin due to factors other than the distribution of said at least one chromophore in the skin" .
<http://webisa.webdatacommons.org/161699384>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.co.uk> .
<http://webisa.webdatacommons.org/161699384>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .