About: http://webisa.webdatacommons.org/117361642

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	This article discusses how you can apply the new nullable types feature to solve issues that result from having null values in database columns.
http://www.w3.org/ns/prov#wasQuotedFrom	devx.com