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Direct Output Connection for a High-Rank Language Model

2018-08-30EMNLP 2018Code Available0· sign in to hype

Sho Takase, Jun Suzuki, Masaaki Nagata

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Abstract

This paper proposes a state-of-the-art recurrent neural network (RNN) language model that combines probability distributions computed not only from a final RNN layer but also from middle layers. Our proposed method raises the expressive power of a language model based on the matrix factorization interpretation of language modeling introduced by Yang et al. (2018). The proposed method improves the current state-of-the-art language model and achieves the best score on the Penn Treebank and WikiText-2, which are the standard benchmark datasets. Moreover, we indicate our proposed method contributes to two application tasks: machine translation and headline generation. Our code is publicly available at: https://github.com/nttcslab-nlp/doc_lm.

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Benchmark Results

DatasetModelMetricClaimedVerifiedStatus
Penn TreebankLSTM Encoder-Decoder + LSTM-LMF1 score94.32Unverified
Penn TreebankLSTM Encoder-Decoder + LSTM-LMF1 score94.47Unverified

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