@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_workshop_	skos:broader	isac:presentation_format_ .
isac:panel_discussion_	skos:broader	isac:presentation_format_ .
isac:_chart_	skos:broader	isac:presentation_format_ .
isac:_poster_	skos:broader	isac:presentation_format_ .
isac:_video_	skos:broader	isac:presentation_format_ .
isac:_html_	skos:broader	isac:presentation_format_ .
isac:_user_	skos:broader	isac:presentation_format_ .
isac:_table_	skos:broader	isac:presentation_format_ .
isac:_powerpoint_	skos:broader	isac:presentation_format_ .
isac:_ppt_	skos:broader	isac:presentation_format_ .
isac:_pdf_	skos:broader	isac:presentation_format_ .
isac:web_page_	skos:broader	isac:presentation_format_ .
isac:pecha_kucha_	skos:broader	isac:presentation_format_ .