CLMar 4, 2025

SAFE: A Sparse Autoencoder-Based Framework for Robust Query Enrichment and Hallucination Mitigation in LLMs

arXiv:2503.03032v110 citationsh-index: 23EMNLP
Originality Incremental advance
AI Analysis

This addresses hallucination issues in LLMs for critical applications, representing an incremental advance by combining existing techniques in a novel system.

The paper tackled the problem of hallucinations in Large Language Models (LLMs) by proposing SAFE, a method using Sparse Autoencoders for detection and mitigation, resulting in accuracy improvements of up to 29.45% in query generation.

Despite the state-of-the-art performance of Large Language Models (LLMs), these models often suffer from hallucinations, which can undermine their performance in critical applications. In this work, we propose SAFE, a novel method for detecting and mitigating hallucinations by leveraging Sparse Autoencoders (SAEs). While hallucination detection techniques and SAEs have been explored independently, their synergistic application in a comprehensive system, particularly for hallucination-aware query enrichment, has not been fully investigated. To validate the effectiveness of SAFE, we evaluate it on two models with available SAEs across three diverse cross-domain datasets designed to assess hallucination problems. Empirical results demonstrate that SAFE consistently improves query generation accuracy and mitigates hallucinations across all datasets, achieving accuracy improvements of up to 29.45%.

Foundations

The foundational work for this paper's niche, ranked by how specifically the neighbourhood builds on it — not by global fame.

Your Notes