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Notes Issues Linear interaction diatance 相邻的词很容易影响歌歌词的意义,但是也有距离很长的依赖关系 但是学习这些词的依赖关系是困难的 Lack of parallelizability CPU 可以勇士进行多个计算,但是 RNN 只能按顺序进行计算 If n 阅读全文
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Notes How to evaluate machine translation BLUE measure 给出多个参考译文,求机器翻译的相似度(在机器翻译中找参考翻译的 1、2、3、4 元词组),以及对于太短的翻译的惩罚 缺点:翻译没有固定答案 humanbeings lokking at th 阅读全文
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Notes 1. history 上一次流行 1980s & 1990s(backpropagation alorithm) allowed training neural nets with hidden layers 只有一层 2006 Greedy Layer-Wise Training of 阅读全文
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Notes: 1. the linguistic structure of sentences & ambiguity 句子结构是一个树状结构(verb 作为根) Sicentists count whales from space 2 种理解形式: from space 修饰 whales 所以是 阅读全文
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Notes learning goals foundations & current methods big understandings of human languages and difficulties ability to build systems human language and 阅读全文