@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_homework_	skos:broader	isac:class_assignment_ .
isac:_papers_	skos:broader	isac:class_assignment_ .
isac:_project_	skos:broader	isac:class_assignment_ .
isac:_report_	skos:broader	isac:class_assignment_ .
isac:_writing_	skos:broader	isac:class_assignment_ .
isac:research_paper_	skos:broader	isac:class_assignment_ .
isac:_library_	skos:broader	isac:class_assignment_ .
isac:_presentation_	skos:broader	isac:class_assignment_ .
isac:research_project_	skos:broader	isac:class_assignment_ .
isac:_quiz_	skos:broader	isac:class_assignment_ .
isac:research_papers_	skos:broader	isac:class_assignment_ .
isac:term_papers_	skos:broader	isac:class_assignment_ .