About: http://webisa.webdatacommons.org/199978154

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	You refer to the conditions by using correlation names and variables such as A, B, and C in Example 18-1.
http://www.w3.org/ns/prov#wasQuotedFrom	oracle.com