This week I arr bin mostly investigating OWL and RDF and other ways of expressing ontologies.
It appears that there are ways of expressing terminologies / thesauri / ontologies using OWL and RDF.
Pip found this article about creating online search interfaces for museum collections: Finnish Museums on the Semantic Web: The user's Perspective on MuseumFinland.
And I found their selection of tools which you can download:
Download Semantic Web Project tools
I've also been browsing around FISH and writing entries for our in-house Wiki about all this.