This lexicon has been created from a mapping between the TimeML event classes and the SIMPLE/CLIPS entries at the ontological level and it is composed by 8,721 lemmas (1,068 for adjectives, 4,614 for nouns, 3,390 for verbs).
the SemEval tempEval-1 and tempEval-2 international evaluation excercises (Verhagen et al., 2007;Verhagen et al., 2010), have provided the NLP community with gold standard resources for comparative evaluations of different systems.