Abstract:

Abstention, the refusal of large language models (LLMs) to provide an answer, is increasingly recognized for its potential to mitigate hallucinations and enhance safety in LLM systems. In this survey, we introduce a framework to examine abstention from three perspectives: the query, the model, and h...

Key points:

• Research on large language models
• Security application

Source: Know Your Limits: A Survey of Abstention in Large Language Models