<http://webisa.webdatacommons.org/concept/open_textbook_>	<http://www.w3.org/2002/07/owl#sameAs>	<http://dbpedia.org/resource/Open_textbook> .
<http://webisa.webdatacommons.org/concept/open_textbook_>	<http://webisa.webdatacommons.org/ontology#hasHead>	"textbook" .
<http://webisa.webdatacommons.org/concept/open_textbook_>	<http://www.w3.org/2000/01/rdf-schema#label>	"open textbook" .
<http://webisa.webdatacommons.org/concept/open_textbook_>	<http://webisa.webdatacommons.org/ontology#hasPreModifier>	"open" .