Publications

A Tale of Two Linkings: Dynamically Gating between Schema Linkingand Structural Linking for Text-to-SQL Parsing
Sanxing Chen, Aidan San, Xiaodong Liu, Yangfeng Ji
CoLING, 2020
arXiv   Github

Learning Variational Word Masks to Improve the Interpretability of Neural Text Classifiers
Hanjie Chen, Yangfeng Ji
EMNLP, 2020
arXiv   Github

Finding Friends and Flipping Frenemies: Automatic Paraphrase Dataset Augmentation Using Graph Theory
Hannah Chen, Yangfeng Ji, David Evans
EMNLP (Findings), 2020
  Github

Reevaluating Adversarial Examples in Natural Language
John X. Morris, Eli Lifland, Jack Lanchantin, Yangfeng Ji, Yanjun Qi
EMNLP (Findings), 2020
arXiv   Github

HittER: Hierarchical Transformers for Knowledge Graph Embeddings
Sanxing Chen, Xiaodong Liu, Jianfeng Gao, Jian Jiao, Ruofei Zhang, Yangfeng Ji
Preprint, 2020
arXiv  

Charging at Second Culmination? Optimal Freemium Pricing for E-books via Field Experiment and Text Analysis
Yongjun Li, Hanbing Xue, Yangfeng Ji, Natasha Zhang Foutz
ISMS Marketing Science Conference, 2020
 

Familiar Story with (Some) Different Actors? Impact of Content and Execution Similarity on Success of Hedonic Product Line Extension
Jieqiong Zhang, Yangfeng Ji, Weihe Gao, Natasha Zhang Foutz
ISMS Marketing Science Conference, 2020
 

Pointwise Paraphrase Appraisal is Potentially Problematic
Hannah Chen, Yangfeng Ji, David Evans
ACL 2020 Student Research Workshop, 2020
arXiv  

Generating Hierarchical Explanations on Text Classification via Feature Interaction Detection
Hanjie Chen, Guangtao Zheng, Yangfeng Ji
ACL, 2020
arXiv   Github

Improving the Explainability of Neural Sentiment Classifiers via Data Augmentation
Hanjie Chen, Yangfeng Ji
NeurIPS 2019 Workshop on Robust AI in Financial Services, 2019
arXiv  

An Empirical Comparison on Imitation Learning and Reinforcement Learning for Paraphrase Generation
Wanyu Du, Yangfeng Ji
EMNLP, 2019
arXiv   Github