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Pengfei Tang

4 accepted papers

2024

Evoke: Evoking Critical Thinking Abilities in LLMs via Reviewer-Author Prompt Editing

ICLR 2024poster

Large language models (LLMs) have made impressive progress in natural language processing. These models rely on proper human instructions (or prompts) to generate suitable responses. However, the potential of LLMs are not fully harnessed by commonly-used prompting methods: many human-in-the-loop alg…

Cited by 7SourcePDFScholar
2024

IGAMT: Privacy-Preserving Electronic Health Record Synthesization with Heterogeneity and Irregularity

AAAI 2024technical

Integrating electronic health records (EHR) into machine learning-driven clinical research and hospital applications is important, as it harnesses extensive and high-quality patient data to enhance outcome predictions and treatment personalization. Nonetheless, due to privacy and security concerns,…

2022

Enhancing Self-Attention with Knowledge-Assisted Attention Maps

NAACL 2022long

Large-scale pre-trained language models have attracted extensive attentions in the research community and shown promising results on various tasks of natural language processing. However, the attention maps, which record the attention scores between tokens in self-attention mechanism, are sometimes…

Cited by 8SourcePDFScholar
2021

Certified Robustness to Word Substitution Attack with Differential Privacy

NAACL 2021long

The robustness and security of natural language processing (NLP) models are significantly important in real-world applications. In the context of text classification tasks, adversarial examples can be designed by substituting words with synonyms under certain semantic and syntactic constraints, such…

Cited by 48SourcePDFScholar