<http://webisa.webdatacommons.org/408326691>	<http://www.w3.org/ns/prov#value>	"MDL-10829 Added get_grade_item() to the grade_item class, for cases when we do not whether an object is a category or a grade_item." .
<http://webisa.webdatacommons.org/prov/101758728>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/408326691> .
<http://webisa.webdatacommons.org/408326691>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<moodle.org> .
<http://webisa.webdatacommons.org/408326691>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .