A unified architecture for natural language processing: deep neural networks with multitask learning

  • Authors:
  • Ronan Collobert;Jason Weston

  • Affiliations:
  • NEC Labs America, Princeton, NJ;NEC Labs America, Princeton, NJ

  • Venue:
  • Proceedings of the 25th international conference on Machine learning
  • Year:
  • 2008

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Abstract

We describe a single convolutional neural network architecture that, given a sentence, outputs a host of language processing predictions: part-of-speech tags, chunks, named entity tags, semantic roles, semantically similar words and the likelihood that the sentence makes sense (grammatically and semantically) using a language model. The entire network is trained jointly on all these tasks using weight-sharing, an instance of multitask learning. All the tasks use labeled data except the language model which is learnt from unlabeled text and represents a novel form of semi-supervised learning for the shared tasks. We show how both multitask learning and semi-supervised learning improve the generalization of the shared tasks, resulting in state-of-the-art-performance.