@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
<http://webisa.webdatacommons.org/concept/_month%2Fdate%2Fday_of+week+5>	skos:broader	isac:clock_function_ .
isac:hr_option_	skos:broader	isac:clock_function_ .