From: Coreference based event-argument relation extraction on biomedical text
Symbol | Name | Formula | Description |
---|---|---|---|
(SiD) | Salience in Discourse | corefer(j, k) ⇒ ∃i.rol e(i, j, r) ∧ event(i) | If a token j is coreferent to another token k, there is at least one event related to token j |
(T) | Transitivity | role(i, j, r) ∧ corefer(j, k) ⇒ role(i, k, r) | If j plays the role r for i and j is coreferent to k then k also plays the role r for i |
(FC) | Feature Copy | corefer(j, k) ∧ F(k, +f) ⇒ role(i, j, r) | If j is coreferent to k and k has feature f then j plays the role r for i |