Here is a data dump of our collection info, as an n3 triple-store.
We include the scripts that generate this data, which are based off of scrapi.
The URIs for the triples are of the form http://data.metmusuem.org/[TYPE]#[IDENTIFIER]
For a given item, TYPE may be 'whats','who','location','objects','rels#image','rels#accessionnumber'