About: http://webisa.webdatacommons.org/239762784

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	I think the reason is a combination of vendor lock-in and lack of knowledge on the part of most RDBM users.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com