hallucination
/həˌɫusəˈneɪʃən/
When an AI generates false or fabricated information
hallucination in a sentence
“The model's hallucination produced a convincing but entirely fictional citation.”
Origin of hallucination
From Latin hallucinari (to wander in mind, dream); metaphorical use for AI generating false information
Related Words
prompt engineering
Crafting inputs to elicit desired outputs from AI models
tokenization
Breaking text into smaller units for processing
attention mechanism
A technique allowing models to focus on relevant parts of input
gradient descent
An optimization algorithm that minimizes error iteratively
overfitting
When a model learns noise instead of the underlying pattern
underfitting
When a model is too simple to capture the underlying pattern