Aiwei Liu

Entity-to-Text based Data Augmentation for various Named Entity Recognition Tasks

2022 · arXiv (Cornell University)

Data augmentation techniques have been used to alleviate the problem of scarce labeled data in various NER tasks (flat, nested, and discontinuous NER tasks). Existing augmentation techniques either manipulate the words in the original text …

RAPL: A Relation-Aware Prototype Learning Approach for Few-Shot Document-Level Relation Extraction

2023 · arXiv (Cornell University)

How to identify semantic relations among entities in a document when only a few labeled documents are available? Few-shot document-level relation extraction (FSDLRE) is crucial for addressing the pervasive data scarcity problem in real-world scenarios. …

Direct Large Language Model Alignment Through Self-Rewarding Contrastive Prompt Distillation

2024

Aiwei Liu, Haoping Bai, Zhiyun Lu, Xiang Kong, Xiaoming Wang, Jiulong Shan, Meng Cao, Lijie Wen. Proceedings of the 62nd Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers). 2024.