<http://webisa.webdatacommons.org/concept/sample+mean_x_>	<http://webisa.webdatacommons.org/ontology#hasPreModifier>	"sample mean" .
<http://webisa.webdatacommons.org/concept/sample+mean_x_>	<http://www.w3.org/2000/01/rdf-schema#label>	"sample mean x" .
<http://webisa.webdatacommons.org/concept/sample+mean_x_>	<http://webisa.webdatacommons.org/ontology#hasHead>	"x" .