Knowledge gaps cause hallucinations because training cutoffs, tail entity under-representation, restricted access to specialized domains, and the absence of a symbolic world model mean that many factual questions fall outside the model's reliable knowledge boundary, yet the model cannot reliably identify when it is operating outside that boundary.

Authors

• Person: M. Brenndoerfer Organization: mbrenndoerfer.com
  Hallucination Causes: Why Language Models Fabricate Facts

Sources

• Hallucination Causes: Why Language Models Fabricate Facts mbrenndoerfer.com M. Brenndoerfer · mbrenndoerfer.com via serper

Referenced by nodes (2)

• hallucination concept
• knowledge gaps concept