Jeongwoo Ko
Authored Publications
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GoEmotions: A Dataset of Fine-Grained Emotions
Dorottya Demszky
Alan Cowen
Gaurav Nemade
Sujith Ravi
ACL (2020) (to appear)
Preview abstract
Understanding emotion expressed in language has a wide range of applications, from building empathetic chatbots to detecting harmful online behavior. Advancement in this area can be improved using large-scale datasets with a fine-grained typology, adaptable to multiple downstream tasks. We introduce GoEmotions, the largest manually annotated dataset of 58k English Reddit comments, labeled for 27 emotion categories or Neutral. We demonstrate the high quality of the annotations via Principal Preserved Component Analysis. We conduct transfer learning experiments with existing emotion benchmarks to show that our dataset generalizes well to other domains and different emotion taxonomies. Our BERT-based model achieves an average F1-score of .46 across our proposed taxonomy, leaving much room for improvement.
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The JAVELIN Question-Answering System at TREC 2002
Eric Nyberg
Teruko Mitamura
Jaime G. Carbonell
James P. Callan
Kevyn Collins-Thompson
Michael Duggan
Laurie Hiyakumoto
N. Hu
Yifen Huang
Lucian Vlad Lita
S. Murtagh
Vasco Pedro
David Svoboda
TREC (2002)
