[tmcl-wg] Feedback on TMCL requirements / use cases

[Robert Barta]

On Mon, Apr 28, 2003 at 10:38:13PM +0200, Marc de  Graauw wrote:
> I went through the TMCL Requirements and Use Cases and I miss constraints on
> uniqueness of topic characteristics within a type. Use cases:
> 
> - each topic of type 'person' must have an occurrence of occurrence type
> 'social security number' which is unique (within topics of this topic type)
> - each topic of type 'company' must either have an occurrence of type
> 'homepage'  which is unique (within topics of this topic type) or no
> occurrence of type 'homepage'
> - each association of type 'marriage' must have a unique combination of
> 'husband' and 'wife' roleplayers (within this association type).
> 
> Sort of the restated TNC for occurrences and associations.

Marc,

I have added them the list at

   http://topicmaps.it.bond.edu.au/mda/rho/tmcl-constraints/

thx!

\rho