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stochastic context-free grammar中文什么意思

發(fā)音:
  • 隨機(jī)上下文無關(guān)文法
  • stochastic:    adj. 1.機(jī)會的；有可能性的;隨便的。 2.【數(shù)學(xué)】 ...
  • context:    n. 1.上下文；文章的前后關(guān)系[脈絡(luò)]。 2.(事情等 ...
  • grammar:    n. 1.語法；語法學(xué)；語法書。 2.語法現(xiàn)象，(個人的 ...
  • context free grammar:    上下文無關(guān)文法; 上下文無關(guān)語法
  • context free graph grammar:    上下文無關(guān)圖形文法
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百科釋義

    A stochastic context-free grammar (SCFG; also probabilistic context-free grammar, PCFG) is a context-free grammar in which each production is augmented with a probability. The probability of a derivation (parse) is then the product of the probabilities of the productions used in that derivation; thus some derivations are more consistent with the stochastic grammar than others.
    詳細(xì)百科解釋

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