|    An example based on 
|
|    'Enhancing Data Interoperability with Ontologies, Canonical Forms, and Include Files'
|
|              by Roger L. Costello     costello@mitre.org       August 10, 2003
|
|             (http://www.xfront.com/interoperability/CanonicalForms.html)

 
some-agent measures some-quantity in some-unit
not : the canonical measure of that-quantity is that-unit
one unit of that-quantity measured in that-unit converts to a canonical some-number some-standard-unit
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that-agent sending one unit of that-quantity in that-unit should first convert it to that-number that-standard-unit


this-agent measures this-quantity in this-unit
===============================================
Agent A             length           kilometers
Agent A             time             seconds
Agent A             speed            kph
Agent B             length           miles
Agent B             time             hours
Agent B             speed            mph


one unit of some-quantity measured in some-unit converts to a canonical some-number some-standard-unit
------------------------------------------------------------------------------------------------------
the canonical measure of that-quantity is that-standard-unit


one unit of this-quantity measured in this-unit converts to a canonical this-number this-standard-unit
======================================================================================================
             length                   miles                            1.609344      kilometers                     
             length                   meters                           0.001         kilometers                     
             time                     minutes                          60            seconds  
             time                     hours                            3600          seconds


one unit of length measured in miles converts to a canonical some-number1 kilometers
one unit of time measured in hours converts to a canonical some-number2 seconds
that-number1 / that-number2 = some-quotient 
that-quotient rounded to 5 places after the decimal point is some-number
-------------------------------------------------------------------------------------
one unit of speed measured in mph converts to a canonical that-number kph