I am looking for an easy-to-handle application to analyse collaborative networks in science, and I am very interested by Pubnet, that you published quite a while ago. Unfortunately, event if it looks very simple to use the web interface, after submitting a query with a author name, I always have a page indicating the pubmed xml was generated, but it is never analysed. It always blocks as this: (see image)
We’ve managed to revive pubnet. Please check it out.