GAF: A grounded annotation framework for events (2013)

by Antske Fokkens, Marieke van Erp, Piek Vossen, Sara Tonelli, Willem Robert van Hage, Luciano Serafini, Rachele Sprugnoli, Jesper Hoeksema
Venue:In Proceedings of the first Workshop on Events: Definition, Dectection, Coreference and Representation