<http://webisa.webdatacommons.org/prov/350943137>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/270964969> .
<http://webisa.webdatacommons.org/270964969>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/270964969>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<databasejournal.com> .
<http://webisa.webdatacommons.org/270964969>	<http://www.w3.org/ns/prov#value>	"whether the dimension is a virtual dimension based on the tables and columns" .