<http://webisa.webdatacommons.org/concept/total_knee_>	<http://webisa.webdatacommons.org/ontology#hasHead>	"knee" .
<http://webisa.webdatacommons.org/concept/total_knee_>	<http://webisa.webdatacommons.org/ontology#hasPreModifier>	"total" .
<http://webisa.webdatacommons.org/concept/total_knee_>	<http://www.w3.org/2000/01/rdf-schema#label>	"total knee" .