"An Event or Period has a particular Duration. The Duration may be characterized in several different ways: as a Durational direct measure, a Degree of deviation from an expected Duration, or as a Count of Units of standard, known duration."@en . . "2008-11-12T13:26:38+01:00"^^ . . . . . . . . . . . "2122"^^ . . . . . . . . . . . "Duration_scenario" .