Neural Network Approach to Word Category Prediction for English Texts

Masami Nakamura,K. Maruyama,T. Kawabata,K. Shikano

Published 1990 in International Conference on Computational Linguistics

ABSTRACT

Word category prediction is used to implement an accurate word recognition system. Traditional statistical approaches require considerable training data to estimate the probabilities of word sequences, and many parameters to memorize probabilities. To solve this problem, NETgram, which is the neural network for word category prediction, is proposed. Training results show that the performance of the NETgram is comparable to that of the statistical model although the NETgram requires fewer parameters than the statistical model. Also the NETgram performs effectively for unknown data, i.e., the NETgram interpolates sparse training data. Results of analyzing the hidden layer show that the word categories are classified into linguistically significant groups. The results of applying the NETgram to HMM English word recognition show that the NETgram improves the word recognition rate from 81.0% to 86.9%

PUBLICATION RECORD

  • Publication year

    1990

  • Venue

    International Conference on Computational Linguistics

  • Publication date

    1990-08-20

  • Fields of study

    Computer Science

  • Identifiers
  • External record

    Open on Semantic Scholar

  • Source metadata

    Semantic Scholar

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