KagNet: Knowledge-Aware Graph Networks for Commonsense Reasoning
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| Authors | Jamin Chen, Bill Yuchen Lin, Xinyue Chen, Xiang Ren |
| Journal/Conference Name | IJCNLP 2019 11 |
| Paper Category | Artificial Intelligence |
| Paper Abstract | Commonsense reasoning aims to empower machines with the human ability to make presumptions about ordinary situations in our daily life. In this paper, we propose a textual inference framework for answering commonsense questions, which effectively utilizes external, structured commonsense knowledge graphs to perform explainable inferences. The framework first grounds a question-answer pair from the semantic space to the knowledge-based symbolic space as a schema graph, a related sub-graph of external knowledge graphs. It represents schema graphs with a novel knowledge-aware graph network module named KagNet, and finally scores answers with graph representations. Our model is based on graph convolutional networks and LSTMs, with a hierarchical path-based attention mechanism. The intermediate attention scores make it transparent and interpretable, which thus produce trustworthy inferences. Using ConceptNet as the only external resource for Bert-based models, we achieved state-of-the-art performance on the CommonsenseQA, a large-scale dataset for commonsense reasoning. |
| Date of publication | 2019 |
| Code Programming Language | Python |
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