<http://webisa.webdatacommons.org/250854831>	<http://www.w3.org/ns/prov#value>	"Nullable is used used on value types such as ints, bools and etc which do not support null assignments." .
<http://webisa.webdatacommons.org/250854831>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/250854831>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<stackoverflow.com> .
<http://webisa.webdatacommons.org/prov/247282581>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/250854831> .