<http://webisa.webdatacommons.org/182171196>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/182171196>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<freepatentsonline.com> .
<http://webisa.webdatacommons.org/prov/95786898>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/182171196> .
<http://webisa.webdatacommons.org/182171196>	<http://www.w3.org/ns/prov#value>	"Conventional wisdom would suggest that any image such as a mask mapped to only 2 or 3 states is too grainy." .