...joined 13 years ago, and has 16555 karma

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I am an author of 20 books and a practitioner specializing in artificial intelligence, deep learning, natural language processing, and the semantic web. I have 55 US patents. I code in Common Lisp, Haskell, Swift, Python, and Scheme. I used to use Java and Ruby. My web site is

My recent books can be downloaded for free (or optionally pay for them) at

Twitter: mark_l_watson