Parent class: Interval
Documentation: "A length of time defined via a beginning and an end time point called anchors."
|Slot name||Documentation||Type||Allowed Values/Classes||Cardinality||Default|
|start-anchor||"When this interval of this duration starts. Can start from an absolute or a relative timepoint (e.g., May 2, 1998 or 'at enrollment' )."||Instance||Timepoint||0:1|
|end-anchor||"When this interval of this duration ends. May end at an absolute or a relative timepoint (eg. May 2, 1995 or 'end of trial.')"||Instance||Timepoint||0:1|
|roles||"Tells which class and slot will take instances of this class depending on the role of the instance. The format is (role OWNER-CLASS |owner-slot|) e.g., if this class is DATE and the instance's role is recruitment-start-date, (recruitment-start-date RECRUITMENT |start-date|) tells us that this instance of date should be the value of the slot |start-date| in an instance of class RECRUITMENT."||SYMBOL||0:1|
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Generated on Mon Dec 15 11:40:40 2008