<http://webisa.webdatacommons.org/149075303>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<patents.com> .
<http://webisa.webdatacommons.org/prov/131609156>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/149075303> .
<http://webisa.webdatacommons.org/149075303>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/149075303>	<http://www.w3.org/ns/prov#value>	"If x.sub.j is a value for a categorical variable X.sub.j" .