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Haihui Fan

3 accepted papers

2026

Uncovering and Aligning Anomalous Attention Heads to Defend Against NLP Backdoor Attacks

AAAI 2026technical

Backdoor attacks pose a serious threat to the security of large language models (LLMs), causing them to exhibit anomalous behavior under specific trigger conditions. The design of backdoor triggers has evolved from fixed triggers to dynamic or implicit triggers. This increased flexibility in trigger

Cited by 0SourcePDFScholar
2025

DisComp: A Two-Stage Prompt Optimization Framework Combining Task-Agnostic and Task-Aware Compression

NAACL 2025findings

Large language models (LLMs) exhibit exceptional performance across a wide range of natural language processing tasks, often relying on lengthy prompts to harness their full capabilities. However, extended prompts can lead to substantial computational overhead and increased hardware demands, limitin…

Cited by 0SourcePDFScholar
2024

Online Caching With Switching Cost and Operational Long-Term Constraints: An Online Learning Approach

ICASSP 2024accepted

The design of effective online caching policies is an increasingly important problem for content distribution networks, online recommender systems, and edge computing services, etc. Exiting literature usually tackles this problem through the lens of optimistic online learning and aims to achieve sub…

Cited by 0SourceScholar