Character Composition Model with Convolutional Neural Networks for Dependency Parsing on Morphologically Rich Languages

Abstract

We present a transition-based dependency parser that uses a convolutional neural network to compose word representations from characters. The character composition model shows great improvement over the word-lookup model, especially for parsing agglutinative languages. These improvements are even better than using pre-trained word embeddings from extra data. On the SPMRL data sets, our system outperforms the previous best greedy parser (Ballesteros et al., 2015) by a margin of 3% on average.

Accepted in ACL 2017 (Short)

References in corpus (1)

• Structured Training for Neural Network Transition-Based Parsing

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