uom-ontology-std
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Re: [uom-ontology-std] What is mass?

To: Pat Hayes <phayes@xxxxxxx>
Cc: uom-ontology-std <uom-ontology-std@xxxxxxxxxxxxxxxx>
From: Gunther Schadow <gschadow@xxxxxxxxxxxxxxx>
Date: Tue, 29 Sep 2009 17:31:22 -0400
Message-id: <4AC27CAA.1000205@xxxxxxxxxxxxxxx>
Pat Hayes wrote:
> 
> On Sep 29, 2009, at 8:27 AM, Gunther Schadow wrote:
> 
>> .... . May be the best way to describe what I mean
>> is this. We have (essentially) in HL7 the following design:
>>
>> Quantity {
>>  specificKindOfQuantity : KindOfQuantity;
>>  value : NumberAndUnit;
>> }
>>
>> NumberAndUnit {
>>  number : REAL;
>>  unit : Unit;
>>  canonicalForm : NumberAndUnit;
>> }
>>
>> Unit extends DimensionedQuantity {
>>  /*and adds*/ symbol : String;
>> }
>>
>> DimensionedQuantity {
>>  number : REAL;
>>  dimension : VectorOfExponentsOverBaseUnits;
>> }
>>
> 
> Can you briefly explain what this notation
> 
> Foo{
> a:b;
> c:d;
> }
> 
> is intended to mean? Thanks.    (01)

Sure,    (02)

Foo{
 a:b;
 c:d;
}    (03)

means    (04)

objects of class Foo have the following properties:
 a which is an object of class b, and
 c which is an object of class d
.    (05)

regards,
-Gunther    (06)



-- 
Gunther Schadow, M.D., Ph.D.                  gschadow@xxxxxxxxxxxxxxx
Associate Professor           Indiana University School of Informatics
Regenstrief Institute, Inc.      Indiana University School of Medicine
tel:1(317)423-5521                       http://aurora.regenstrief.org    (07)

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