Shifeng Liu

According to our database, Shifeng Liu authored at least 6 papers between 2018 and 2021.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2021

Sent2Span: Span Detection for PICO Extraction in the Biomedical Text without Span Annotations.

Shifeng Liu, Yifang Sun, Bing Li, Wei Wang, Florence T. Bourgeois, Adam G. Dunn

Proceedings of the Findings of the Association for Computational Linguistics: EMNLP 2021, 2021

2020

Machine Learning-based Sequence Labeling for Text Data.

Shifeng Liu

PhD thesis, 2020

HAMNER: Headword Amplified Multi-Span Distantly Supervised Method for Domain Specific Named Entity Recognition.

Shifeng Liu, Yifang Sun, Bing Li, Wei Wang, Xiang Zhao

Proceedings of the Thirty-Fourth AAAI Conference on Artificial Intelligence, 2020

Recursively Binary Modification Model for Nested Named Entity Recognition.

Bing Li, Shifeng Liu, Yifang Sun, Wei Wang, Xiang Zhao

Proceedings of the Thirty-Fourth AAAI Conference on Artificial Intelligence, 2020

2019

Extracting Definitions and Hypernyms with a Two-Phase Framework.

Yifang Sun, Shifeng Liu, Yufei Wang, Wei Wang

Proceedings of the Database Systems for Advanced Applications, 2019

2018

A CRF-Based Stacking Model with Meta-features for Named Entity Recognition.

Shifeng Liu, Yifang Sun, Wei Wang, Xiaoling Zhou

Proceedings of the Advances in Knowledge Discovery and Data Mining, 2018