ground truth
/ˈɡraʊnd ˌtruːθ/
a trusted reference label or answer used for evaluation, which may itself contain uncertainty or annotation error
ground truth in a sentence
“The team compared model output with human-reviewed reference answers and audited disputed labels.”
Origin of ground truth
Originally from cartography/remote sensing
Related Words
tracing
recording the flow of execution and data through a complex system
hallucination rate
the frequency with which a model generates incorrect information
benchmark
a standardized test used to compare performance
golden dataset
a hand-verified set of examples used as the standard for judging model output
rubric
an explicit scoring guide that turns judgment into repeatable criteria
pass@k
the probability that at least one of k sampled attempts is correct