<http://webisa.webdatacommons.org/prov/417422959>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/193513701> .
<http://webisa.webdatacommons.org/prov/208475393>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/193513701> .
<http://webisa.webdatacommons.org/193513701>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/193513701>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/193513701>	<http://www.w3.org/ns/prov#value>	"Those catalysts are useful in heavy oil up-grading where the effective life of the catalysts are determined by ability of the catalyst to store contaminants such as metal and coke." .