<http://webisa.webdatacommons.org/concept/vacuum+gas_oils_>	<http://webisa.webdatacommons.org/ontology#hasHead>	"oils" .
<http://webisa.webdatacommons.org/concept/vacuum+gas_oils_>	<http://www.w3.org/2000/01/rdf-schema#label>	"vacuum gas oils" .
<http://webisa.webdatacommons.org/concept/vacuum+gas_oils_>	<http://webisa.webdatacommons.org/ontology#hasPreModifier>	"vacuum gas" .