About: http://webisa.webdatacommons.org/253765072

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	If person is an object inside of either customer or employee and you want to change that object's functionality, you do not break either child object unless you change the existing interface.
http://www.w3.org/ns/prov#wasQuotedFrom	c2.com