Table 2 Examples of disambiguation and location boundary adjustment rules.
From: Event extraction of bacteria biotopes: a knowledge-intensive NLP-based approach
Rule role | Rule example | Location term | |
|---|---|---|---|
Ex. 1 | Type disambiguation | IF dead, decaying in term THEN type =Env | dead animal (Host) becomes dead animal (Env) |
Ex. 2 | Boundary extension | IF nationality before term (Env) THEN include nationality | oil field (Env) becomes German oil field (Env) |
Ex. 3 | Boundary reduction | IF irrelevant modifier in term THEN delete modifier | infected rodent (Host) becomes rodent (Host) |