public class CollinsRelation
extends java.lang.Object
A relation 4-tuple for the dependency representation of Collins (1999; 2003).
The tuple represents categories common to a head and its modifier:
Parent - The common parent between the head daughter and the daughter in which the
modifier appears.
Head - The category label of the head daughter.
Modifier - The category label of the daughter in which the modifier appears.
Direction - Orientation of the modifier with respect to the head.
- Author:
- Spence Green