@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_comment_	skos:broader	isac:document_element_ .
isac:_image_	skos:broader	isac:document_element_ .
isac:_region_	skos:broader	isac:document_element_ .
isac:_graphic_	skos:broader	isac:document_element_ .
isac:_page_	skos:broader	isac:document_element_ .
isac:_text_	skos:broader	isac:document_element_ .
isac:_table_	skos:broader	isac:document_element_ .
isac:_paragraph_	skos:broader	isac:document_element_ .
isac:specific_page_	skos:broader	isac:document_element_ .
isac:example_document_	skos:broader	isac:document_element_ .