Stochastic Natural Language Generation Using Dependency Information

• URL: http://arxiv.org/abs/2001.03897v1
• Date: Sun, 12 Jan 2020 09:40:11 GMT
• Title: Stochastic Natural Language Generation Using Dependency Information
• Authors: Elham Seifossadat and Hossein Sameti
• Abstract summary: This article presents a corpus-based model for generating natural language text. Our model encodes dependency relations from training data through a feature set, then produces a new dependency tree for a given meaning representation. We show that our model produces high-quality utterances in aspects of informativeness and naturalness as well as quality.
• Score: 0.7995360025953929
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: This article presents a stochastic corpus-based model for generating natural language text. Our model first encodes dependency relations from training data through a feature set, then concatenates these features to produce a new dependency tree for a given meaning representation, and finally generates a natural language utterance from the produced dependency tree. We test our model on nine domains from tabular, dialogue act and RDF format. Our model outperforms the corpus-based state-of-the-art methods trained on tabular datasets and also achieves comparable results with neural network-based approaches trained on dialogue act, E2E and WebNLG datasets for BLEU and ERR evaluation metrics. Also, by reporting Human Evaluation results, we show that our model produces high-quality utterances in aspects of informativeness and naturalness as well as quality.

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