<http://webisa.webdatacommons.org/concept/em_unit_>	<http://www.w3.org/2000/01/rdf-schema#label>	"em unit" .
<http://webisa.webdatacommons.org/concept/em_unit_>	<http://webisa.webdatacommons.org/ontology#hasPreModifier>	"em" .
<http://webisa.webdatacommons.org/concept/em_unit_>	<http://webisa.webdatacommons.org/ontology#hasHead>	"unit" .