<http://webisa.webdatacommons.org/prov/231211116>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/409381322> .
<http://webisa.webdatacommons.org/409381322>	<http://www.w3.org/ns/prov#value>	"The system 500 determines whether this person has visited the store or other premises for which the database of photos 218 has been maintained as has been described." .
<http://webisa.webdatacommons.org/409381322>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/409381322>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<freepatentsonline.com> .