The purpose of Senseval (http://www.senseval.org) is to evaluate
semantic analysis systems.
The first three workshops, Senseval-1 through Senseval-3, were focused on word sense disambiguation, each time growing in the number of languages offered in the tasks and in the number of participating teams. In the 4th workshop, SemEval-2007, the nature of the tasks evolved to include semantic analysis tasks outside of word sense disambiguation.
The next edition will be SemEval-3. It will be the 6th workshop of the series.
SemEval-2010 workshop program is on-line