technical issues for vocabs: xml:lang and which skos:*Note tag to use

[Frederic V. Hessman]

> use of xml:lang attributes
> Rick's IVOA thesaurus (as do the vocabs from Explicator) includes  
> entries like
>
> <skos:Concept rdf:about="#accretionDisks">
>
> <skos:prefLabel>accretion disks</skos:prefLabel>
> <skos:definition>accretion discs UK</skos:definition>
> <skos:definition>accretion disks</skos:definition>
>    ...
>

Sorry - just hadn't gotten around to doing the language thing and the  
"UK" slipped into the definition by mistake.  Yes, we should support  
standard language use whenever someone has the extra time to do it.

> b) what skos:*Note should be used?
>
> Rick's IVOA thesaurus uses skos:scopeNote for adding "extra"  
> information. The skos guide at
> http://www.w3.org/TR/swbp-skos-core-guide/#secdocumentation  
> suggests we should split this up and use one of
>
>   skos:scopeNote
>   skos:historyNote
>   skos:editorialNote
>   skos:changeNote
>

Also good.

The sooner we switch to SKOS, the better: then all of this can be  
done in the final document.

Rick