Why OWL Unit Ontology has no Log/Exp (Was: Re: OWL ontology for unit)

[Peter Lamb]

At 10:16 2/09/2003 -0400, you wrote:
>On Tuesday 02 September 2003 03:48 am, David Berry wrote:
> >
> > Once you have analysed the unit string into its basic SI units and the
> > relationships between them, it is surely possible to use this analysis to
> > work out the transformation between them - without the need for any
> > further ontologes. The Starlink AST library for manipulating WCS
> > information (http://axp0.ast.man.ac.uk/~dsb/ast/ast.html) does this.
> >
>
>         I agree. In fact in the original draft that Ed showed to me we 
> discussed
>         whether or not the mathematical functions should be included. I 
> believe
>         the last thought was that, no, these should be separate, and perhaps
>         belong in another schema/ontology or library. The log and exp 
> functions
>         were seen as being part of said "other half".

No decibels?

peter


Peter Lamb

peter.lamb at csiro.au

Group Leader, Grid Computing
CSIRO Mathematical and Information Sciences
PO Box 664                                      Tel: +61 2 6216 7047
Canberra ACT 2601, Australia            Fax: +61 2 6216 7111
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