York is a founding member of the Worldwide Universities Network which supports worldwide collaboration in teaching and research. The university has been awarded the Queen's Anniversary Prize five times – in 1997 for the work of the Department of Computer Science; in 2005 for the work of the Centre for Novel Agricultural products, in 2007 for the work of the Centre for Health Economics, in 2009 for the work of Social Policy Research Unit of the Department of Social Policy and Social Work, and in 2011 for the Department of Archaeology's influential role in broadening the scope of archaeology.