PoKED: A Semi-Supervised System for Word Sense Disambiguation

Feng Wei,


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In this paper, we propose a semi-supervised neural system, named Position-wise Orthogonal Knowledge-Enhanced Disambiguator (PoKED), which effectively supports attention-driven, long-range dependency modeling for word sense disambiguation tasks. The proposed PoKED system incorporates position-wise encoding into an orthogonal framework and applies a knowledge-based attentive neural model to solve the WSD problem. Our proposed unsupervised language model is trained over unlabeled corpora; then the pre-trained language model is used to abstract the surrounding context of polyseme instances in labeled corpora into context embeddings. We further use the semantic relations in the WordNet, by extracting semantic level inter-word connections from each document-sentence pair in the WSD dataset. Our experimental results from standard benchmarks show that our proposed system, PoKED, can achieve competitive performance compared with state-of-the-art knowledge-based WSD systems.

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