BriefGPT.xyz
May, 2022
TAG与CCG的强等价性
Strong Equivalence of TAG and CCG
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Andreas Maletti, Lena Katharina Schiffer
TL;DR
比较了树相邻语法(TAG)和组合范畴语法(CCG)对于字符串和树的表达能力,发现它们在树上的表达能力基本上是一致的,特别地,只要有限制条件,如CCG没有空字符串的词库条目和一阶规则的度数不超过2,则其表达能力可以达到最大。
Abstract
tree-adjoining grammar
(TAG) and
combinatory categorial grammar
(CCG) are two well-established mildly context-sensitive grammar formalisms that are known to have the same
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