Parent class: Time-range


Documentation: "A length of time, without definition of end or beginning anchors. If one or more anchors are defined, the length of time would be an interval."

Template Slots
Slot name Documentation Type Allowed Values/Classes Cardinality Default
length-of-time   FLOAT   0:1  
time-unit "Unit of time for various uses. For DRUG-STEP, refers to time-unit of dosing frequency." SYMBOL Second(s) Minute(s) Hour(s) Day(s) Week(s) Month(s) Year(s) 0:1  
duration-operator "Modifier used to describe a length of time that is not exact." SYMBOL < <= >= > 0:1  
fuzzy-range "+/- this amount of time, assumed to be symmetric on the plus and minus sides." Instance Duration    
protocol-changes   Instance Protocol-change    
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