<http://webisa.webdatacommons.org/prov/263799869>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/18467950> .
<http://webisa.webdatacommons.org/18467950>	<http://www.w3.org/ns/prov#value>	"Let???s think about Int and other primitives, which cannot hold null values." .
<http://webisa.webdatacommons.org/18467950>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<github.io> .
<http://webisa.webdatacommons.org/18467950>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .