Applying Semantic Web and Linked Data Technologies to view the "Artist In Context".
RDFa - Yahoo and Google Rich Snippets
Reuter's Calais Web Service
Amazon affiliate-program https://affiliate-program.amazon.com/
Bing - primarily as a source of images http://www.bing.com/developers
Categories for the Description of Works of Art
RDF/OWL representation of the VRA Core Categories for description of works of art and images of these works.