<http://webisa.webdatacommons.org/concept/last+half_hour_>	<http://webisa.webdatacommons.org/ontology#hasPreModifier>	"last half" .
<http://webisa.webdatacommons.org/concept/last+half_hour_>	<http://www.w3.org/2000/01/rdf-schema#label>	"last half hour" .
<http://webisa.webdatacommons.org/concept/last+half_hour_>	<http://webisa.webdatacommons.org/ontology#hasHead>	"hour" .