Oh, look, a former colleague of mine is still working on Siri. He's one of the authors of a [research paper](http://www.isca-speech.org/archive/Interspeech_2017/pdfs/1798.PDF) that describea how Siri works.

Oh, look, a former colleague of mine is still working on Siri. He's one of the authors of a research paper [isca-speech.org] that describea how Siri works.