This is one of the coolest things i've seen in a while. I'd guess this is super similar to what the folks on the DeepMind team at Google are working on now, with the overall vision of being to classify images that have no metadata and add them to a dynamically learning knowledge graph:

http://www.newscientist.com/article/dn24946-google-buys-ai-f...

http://en.wikipedia.org/wiki/Knowledge_Graph

http://appft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=H...

http://appft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=H...