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Yuguang Chen

3 accepted papers

2021

Knowledge-Enriched Event Causality Identification via Latent Structure Induction Networks

ACL 2021long

Identifying causal relations of events is an important task in natural language processing area. However, the task is very challenging, because event causality is usually expressed in diverse forms that often lack explicit causal clues. Existing methods cannot handle well the problem, especially in…

Cited by 80SourcePDFScholar
2021

LearnDA: Learnable Knowledge-Guided Data Augmentation for Event Causality Identification

ACL 2021long

Modern models for event causality identification (ECI) are mainly based on supervised learning, which are prone to the data lacking problem. Unfortunately, the existing NLP-related augmentation methods cannot directly produce available data required for this task. To solve the data lacking problem,…

Cited by 64SourcePDFScholar