25 citations · 75 across the 12 of their papers we have counts for
4 papers · 2 filters
Identical and Fraternal Twins: Fine-Grained Semantic Contrastive Learning of Sentence Representations
Qingfa Xiao, Shuangyin Li, Lei Chen
The enhancement of unsupervised learning of sentence representations has been significantly achieved by the utility of contrastive learning. This approach clusters the augmented po…
Sentence-level Event Detection without Triggers via Prompt Learning and Machine Reading Comprehension
Tongtao Ling, Lei Chen, Huangxu Sheng +2
The traditional way of sentence-level event detection involves two important subtasks: trigger identification and trigger classifications, where the identified event trigger words…
Evolutionary Verbalizer Search for Prompt-based Few Shot Text Classification
Tongtao Ling, Lei Chen, Yutao Lai +1
Recent advances for few-shot text classification aim to wrap textual inputs with task-specific prompts to cloze questions. By processing them with a masked language model to predic…
A Simple and Effective Framework for Strict Zero-Shot Hierarchical Classification
Rohan Bhambhoria, Lei Chen, Xiaodan Zhu
In recent years, large language models (LLMs) have achieved strong performance on benchmark tasks, especially in zero or few-shot settings. However, these benchmarks often do not a…