[1] Tree automaton - Wikipedia (7/13/2024, 3:34:15 PM, 7/15/2024, 2:10:44 AM) https://en.wikipedia.org/wiki/Tree_automaton

[3] GitHub - serras/t-regex: Matchers and grammars using tree regular expressions, 7/15/2024, 2:16:16 AM https://github.com/serras/t-regex

[2] 関連: 生け垣オートマトン, TREX