FYI: dbpedia

Alistair,

you may not have seen:

http://sites.wiwiss.fu-berlin.de/suhl/bizer/dbpedia/

yet another example for SKOS usage worth noting. (Probably not a
separate use case, though, I am not sure it is different from what you
have already)

Ivan

-- 

Ivan Herman, W3C Semantic Web Activity Lead
URL: http://www.w3.org/People/Ivan/
PGP Key: http://www.cwi.nl/%7Eivan/AboutMe/pgpkey.html
FOAF: http://www.ivan-herman.net/foaf.rdf