[Crm-sig] CIDOC CRM URI management

Athanasios Velios thanasis at softicon.co.uk
Fri Jan 17 13:44:38 EET 2020

> My underlying assumption would be that the default thing served up would 
> be html, but you could reach the other representation consistently 
> through adding an appropriate ending or whatever would be most 
> suitable... but that people looking at the html should have a shiny red 
> button type clue that there is another way to retrieve the info which is 
> for example as owl.

Yes, I agree.

>      > I will point out that on the CRM site, there is also an entire
>      > architecture wherein each version has its own overall presentation:
>      > e.g.: http://www.cidoc-crm.org/Version/version-6.2.1
>     I think this should be maintained but not used as URIs for classes.
> Why would you argue against using it as the resolving point for 
> individual classes?

Because it includes versions. These are necessary when working across 
different versions but I do not think versions are needed for classes.

> Currently this is not supported at all, correct? I mean you always point 
> at a version. So you would suggest that 'current' should be 'versionless'?

I am suggesting that classes do not need versions at all. Doing 
reasoning on a per class and per version basis would be bad practice, 
no? One would expect that the whole RDF/OWL representation would be used 
for reasoning. I think class URIs are only used as identifiers. This 
also avoids the problem of ensuring correct older versions for 
deprecated classes.

> How I understood Erlangen to work is that it just makes the versionless 
> URI redirect to the current. So I thought the idea would be that 
> 'current' resolves to the present official (whatever the present 
> official means). If a class has been deprecated then I guess it would 
> have to revert to the last official in which it had existed?
>     All the best,
>     Thanasis
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