Score Function
Noun · AI & Machine Learning
Definitions
A function that assigns scores to outputs, actions, candidates, or states so they can be compared, ranked, or optimized. Score functions appear in ranking, decoding, reward modeling, and evaluation workflows.
In plain English: A function that gives things scores so the system can compare or optimize them.
Example: "They changed the score function because the old one overvalued verbosity and underweighted factual support."