<http://webisa.webdatacommons.org/concept/tight+oil_play_>	<http://webisa.webdatacommons.org/ontology#hasPreModifier>	"tight oil" .
<http://webisa.webdatacommons.org/concept/tight+oil_play_>	<http://webisa.webdatacommons.org/ontology#hasHead>	"play" .
<http://webisa.webdatacommons.org/concept/tight+oil_play_>	<http://www.w3.org/2000/01/rdf-schema#label>	"tight oil play" .