About: http://webisa.webdatacommons.org/211396094

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	There are other ways to tackle this and maybe not the best example but there are certainly times when STI is handy for situations where object behavior may differ but persisted state is the same.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com