When a sentence does not introduce a discourse entity, Transformer-based models still sometimes refer to it
When a sentence does not introduce a discourse entity, Transformer-based models still sometimes refer to it
Understanding longer narratives or participating in conversations requires tracking of discourse entities that have been mentioned. Indefinite noun phrases (NPs), such as 'a dog', frequently introduce discourse entities but this behavior is modulated by sentential operators such as negation. For example, 'a dog' in 'Arthur doesn't own a dog' does …