A task that finds the action and who did what to whom.
SRL is a soccer coach with a clipboard. It marks who kicked, what got kicked, and where.
It helps pull facts from text. It also helps answer questions and translate sentences. It stops AI from mixing up the doer and the target.
Sequence Labeling
SRL often works by giving role tags to words or phrases.
Syntax Parse
A Syntax Parse gives structure clues for matching roles to actions.
IE
IE uses SRL to find actions and their players.
NLU
SRL gives NLU the event skeleton of a sentence.