<http://webisa.webdatacommons.org/concept/alumina_al2o3_>	<http://www.w3.org/2000/01/rdf-schema#label>	"alumina al2o3" .
<http://webisa.webdatacommons.org/concept/alumina_al2o3_>	<http://webisa.webdatacommons.org/ontology#hasHead>	"al2o3" .
<http://webisa.webdatacommons.org/concept/alumina_al2o3_>	<http://webisa.webdatacommons.org/ontology#hasPreModifier>	"alumina" .