<http://webisa.webdatacommons.org/213542347>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/213542347>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<faqs.org> .
<http://webisa.webdatacommons.org/prov/516219187>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/213542347> .
<http://webisa.webdatacommons.org/213542347>	<http://www.w3.org/ns/prov#value>	"preferably from 0.5 to 24 h, in particular from 0.5 to 10 h." .