[xquery-talk] Function for determining one XPath as subset of another

Pavel Velikhov pavel.velikhov at gmail.com
Thu Jan 28 08:20:34 PST 2016

Hmm.. testing subsumption is not as trivial as I thought. Here's a cleaner
way to do it: represent both path expressions as DFAs and then test
subsumption. You'll get DFAs A and B and then test if minimized(B-A) is
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