About: http://webisa.webdatacommons.org/428826044

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	Some languages, such as Ada, have built-in support for discriminated unions intended to prevent such mishaps.
http://www.w3.org/ns/prov#wasQuotedFrom	drdobbs.com