Donghong Ji

Distance Metric Learning for Aspect Phrase Grouping

2016 · arXiv (Cornell University)

Aspect phrase grouping is an important task in aspect-level sentiment analysis. It is a challenging problem due to polysemy and context dependency. We propose an Attention-based Deep Distance Metric Learning (ADDML) method, by considering aspect …

Deep neural model with self-training for scientific keyphrase extraction

2020 · PLoS ONE

Scientific information extraction is a crucial step for understanding scientific publications. In this paper, we focus on scientific keyphrase extraction, which aims to identify keyphrases from scientific articles and classify them into predefined categories. We …