About: http://webisa.webdatacommons.org/159227713

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	The emp table has a column that says mgr, which contains the employee id of the mgr, since the mgr is an employee too.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com