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5分钟NLP:Python文本生成的Beam Search解码
贪婪搜索是在每个时间步中选择概率最高的单词,也是我们最常用的一种方法,Beam Search不取每个标记本身的绝对概率,而是考虑每个标记的所有可能扩展。然后根据其对数概率选择最合适的标记序列。 例如令牌的概率如下所示: 例如,Pancakes + looks时间段1的概率 ...
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