My favourite reference manager is the marvellous Zotero and I recently discovered the Paper Machines add on. This extension analyses and adds to the data in your library and allows you to make new connections and see interesting links. Ot it might once I get to grips with it! At the moment I can produce a 'wordle' like visualisation, like this:
This is based on the ridiculous number of citations I have in my entire library (just north of 10,000) including all the .pdfs I have attached. I don't think there is any surprises here, except it is a bit odd that the word 'education' appears to be missing. Still, here is another, based on the same data.
