Defining SRL
Shi and Lin (2019) advanced and proved that we can find who did what and where without depending on lexical or syntactic features. This chapter is based on Peng Shi and Jimmy Lin’s research at the University of Waterloo, California. They showed how transformers learn language structures better with attention layers.
SRL labels the semantic role as the role a word or group of words plays in a sentence and the relationship established with the predicate.
A semantic role is the role a noun or noun phrase plays in relation to the main verb in a sentence. For example, in the sentence Marvin walked in the park
, Marvin
is the agent of the event occurring in the sentence. The agent is the doer of the event. The main verb, or governing verb, is walked
.
The predicate describes something about the subject or agent. The predicate could be anything that provides information on the features or actions of a subject. In our approach, we will refer to the predicate...