<http://webisa.webdatacommons.org/concept/maintenance_method_>	<http://webisa.webdatacommons.org/ontology#hasPreModifier>	"maintenance" .
<http://webisa.webdatacommons.org/concept/maintenance_method_>	<http://webisa.webdatacommons.org/ontology#hasHead>	"method" .
<http://webisa.webdatacommons.org/concept/maintenance_method_>	<http://www.w3.org/2000/01/rdf-schema#label>	"maintenance method" .