About: http://webisa.webdatacommons.org/222438696

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	Even in 5.0, you only get real data constraints, triggers, etc. on some types of tables, and strict mode (which does actual data type checking) can be turned off by the application.
http://www.w3.org/ns/prov#wasQuotedFrom	slashdot.org