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Learning linear transformations between counting-based and prediction-based word embeddings

机译:学习基于计数和基于预测的词嵌入之间的线性转换

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摘要

Despite the growing interest in prediction-based word embedding learning methods, it remains unclear as to how the vector spaces learnt by the prediction-based methods differ from that of the counting-based methods, or whether one can be transformed into the other. To study the relationship between counting-based and prediction-based embeddings, we propose a method for learning a linear transformation between two given sets of word embeddings. Our proposal contributes to the word embedding learning research in three ways: (a) we propose an efficient method to learn a linear transformation between two sets of word embeddings, (b) using the transformation learnt in (a), we empirically show that it is possible to predict distributed word embeddings for novel unseen words, and (c) empirically it is possible to linearly transform counting-based embeddings to prediction-based embeddings, for frequent words, different POS categories, and varying degrees of ambiguities.
机译:尽管人们对基于预测的词嵌入学习方法越来越感兴趣,但是对于基于预测的方法学习的向量空间与基于计数的方法有何不同,或者是否可以转换为另一种方法,目前尚不清楚。为了研究基于计数的嵌入和基于预测的嵌入之间的关系,我们提出了一种用于学习两个给定的词嵌入集之间的线性变换的方法。我们的建议以三种方式为词嵌入学习的研究做出了贡献:(a)我们提出了一种有效的方法来学习两组词嵌入之间的线性变换,(b)使用从(a)中学习到的变换,我们通过经验证明了它可以预测新出现的看不见的单词的分布式单词嵌入,并且(c)根据经验,对于频繁出现的单词,不同的POS类别和不同的歧义度,可以将基于计数的嵌入线性转换为基于预测的嵌入。

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