I remember reading Avogadro Corp.[1] a couple of years ago and being impressed at how its AI (NLP in particular) felt quite in touch with the real stuff. I think it was self-published but I'm not sure.

[1] https://www.amazon.com/Avogadro-Corp-Singularity-Closer-Appe...

Weird. I was just reading William Hertling's Avogadro Corp (http://www.amazon.com/Avogadro-Corp-Singularity-Closer-Appea...) and the premise of that book is that someone builds this product exactly. Unfortunately, it very quickly goes all Skynet/HAL on the world.. oh well.