About: http://webisa.webdatacommons.org/28991512

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	Relational databases provide aspects such as restricting updates or deletes to columns defined with a primary key/foreign key relationship or cascading those updates and deletes
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com