Re: [LC Response] To Ralf Moeller Re: OWL2

On 6 Mar 2009, at 13:51, Ian Horrocks wrote:

> This seems to me to be a rather similar situation to the one with  
> Marijke, and we could make similar replies in the two cases:
>
> - even if functional datatype/key properties are "the norm", one  
> can easily imagine situations where modellers may want to use non- 
> functional properties (e.g., Michael's example of multiple email  
> addresses, where these are represented as a string);
> - it is trivial for modellers to assert functionality if desired;
> - we do not consider it to be appropriate for the WG to use the  
> design of the language to impose subjective decisions about  
> modelling style.
>
> The only coherent argument that I can see on Ralf's side is an  
> implementation one -- functional datatype properties would make  
> implementation easier. This seems to be a rather week argument,  
> particularly as several implementations already support general  
> datatype properties.

And, frankly, no other implementor is calling for this, afaik. Given  
a choice of changing 3 or more implementations and changing 1...well....

Cheers,
Bijan.

Received on Friday, 6 March 2009 14:03:59 UTC