Pan Lu

Dynamic Prompt Learning via Policy Gradient for Semi-structured Mathematical Reasoning

2022 · arXiv (Cornell University)

Mathematical reasoning, a core ability of human intelligence, presents unique challenges for machines in abstract thinking and logical reasoning. Recent large pre-trained language models such as GPT-3 have achieved remarkable progress on mathematical reasoning tasks …

Event Extraction as Multi-turn Question Answering

2020

Event extraction, which aims to identify event triggers of pre-defined event types and their arguments of specific roles, is a challenging task in NLP. Most traditional approaches formulate this task as classification problems, with event …