Learning a Regular Tree Language from a Teacher
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We generalize an inference algorithm by Angluin, that learns a regular string language from a “minimally adequate teacher”, to regular tree languages. This improves a similar algorithm proposed by Sakakibara. In particular, we show how our algorithm can be used to avoid dead states, thus answering a question by Sakakibara.
KeywordsTransition Function Recursive Call Derivation Tree Tree Automaton Tree Language
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