<http://webisa.webdatacommons.org/202002556>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<bl.uk> .
<http://webisa.webdatacommons.org/prov/354495199>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/202002556> .
<http://webisa.webdatacommons.org/202002556>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/202002556>	<http://www.w3.org/ns/prov#value>	"Classification systems are either general, covering all knowledge, or specific, concentrating on one area such as Mathematics." .