<http://webisa.webdatacommons.org/330531513>	<http://www.w3.org/ns/prov#value>	"Secondly, methodological aspects of data collection are presented and a distinction is made between indispensable and less essential types of data." .
<http://webisa.webdatacommons.org/330531513>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<vliz.be> .
<http://webisa.webdatacommons.org/330531513>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/208231697>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/330531513> .