<http://webisa.webdatacommons.org/concept/serious_mass_>	<http://webisa.webdatacommons.org/ontology#hasHead>	"mass" .
<http://webisa.webdatacommons.org/concept/serious_mass_>	<http://www.w3.org/2000/01/rdf-schema#label>	"serious mass" .
<http://webisa.webdatacommons.org/concept/serious_mass_>	<http://webisa.webdatacommons.org/ontology#hasPreModifier>	"serious" .