Papers › VGCN-BERT: Augmenting BERT with Graph Embedding for Text Classification

VGCN-BERT: Augmenting BERT with Graph Embedding for Text Classification

12 Apr 2020arXiv:2004.05707archive 2025-07-28

Zhibin Lu, Pan Du, Jian-Yun Nie

Much progress has been made recently on text classification with methods based on neural networks. In particular, models using attention mechanism such as BERT have shown to have the capability of capturing the contextual information within a sentence or document. However, their ability of capturing the global information about the vocabulary of a language is more limited. This latter is the strength of Graph Convolutional Networks (GCN). In this paper, we propose VGCN-BERT model which combines the capability of BERT with a Vocabulary Graph Convolutional Network (VGCN). Local information and global information interact through different layers of BERT, allowing them to influence mutually and to build together a final representation for classification. In our experiments on several text classification datasets, our approach outperforms BERT and GCN alone, and achieve higher effectiveness than that reported in previous studies.

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