Huh, no I didn't see that—I think when I read this on my phone that the content cut off at the "More Context" section. I remember thinking that your article had

Huh, no I didn't see that—I think when I read this on my phone that the content cut off at the "More Context" section. I remember thinking that your article had a rather strange ending point, and was a little less deep than I would have wanted. I guess that explains that :-) EDIT: reading the remainder now, this article does a great job discussing other approaches: Arcan, NeWS, X12. Lovely work.