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The University of Illinois at Urbana–Champaign (U of I, UIUC, or simply Illinois) is a large public research-intensive university in the state of Illinois, United States. It is the flagship campus of the University of Illinois system. The University of Illinois at Urbana–Champaign is the second oldest public university in the state, second to Illinois State University, and is a founding member of the Big Ten Conference. It is considered a Public Ivy and is a member of the Association of American Universities. The university is designated as a RU/VH Research University (very high research activities). The campus library system possesses the third-largest university library in the United States and the sixth-largest in the country overall. (Excerpt from <a href="http://en.wikipedia.org/wiki/University_of_Illinois_at_Urbana–Champaign">Wikipedia article: University of Illinois</a>)