<http://webisa.webdatacommons.org/concept/_p%26id_>	<http://www.w3.org/2002/07/owl#sameAs>	<http://dbpedia.org/resource/Piping_and_instrumentation_diagram> .
<http://webisa.webdatacommons.org/concept/_p%26id_>	<http://webisa.webdatacommons.org/ontology#hasHead>	"p&id" .
<http://webisa.webdatacommons.org/concept/_p%26id_>	<http://www.w3.org/2000/01/rdf-schema#label>	"p&id" .