PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Overriding these methods are often a result of after thoughts.We can cheat in unit testing by substituting logical equality test with a uniqueness" test, especially if the value object is immutable so that the class under test does not need to defensively copy an incoming value object to preserve invariants.As there is a fair bit of code in overriding equals(Object), it requires unit testing
http://www.w3.org/ns/prov#wasQuotedFrom
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