<http://webisa.webdatacommons.org/prov/305044712>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/251446224> .
<http://webisa.webdatacommons.org/251446224>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/251446224>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.ca> .
<http://webisa.webdatacommons.org/251446224>	<http://www.w3.org/ns/prov#value>	"The method of claim 20 wherein the item is a tubular string of interconnected tubular members." .