The article has been moved to Optimal classification and is currently undergoing editing for the purpose of updating and reformating references and adding inline links and citations. You are invited to help, if not by adding links and looking up the references, by making comments on the discussion page that call attention to work on the article you feel needs to be done. 

Thanks for your appreciation of the article and any assistance you can offer toward its perfection. My goal is to correct anything that might be wrong. Thanks.