Quantitative analysis of science and technology is a growing research area. There are two university rankings based on bibilometric indicators which are worth watching:
Cybermetrics Lab has this university ranking for Top 100 universities in Europe, published in July 2009. TCD is the only Irish university in this list, ranked 49th in Europe and 169th in the world ranking. In the world ranking UC Cork is 393rd and UCD is 457th. The world rank of Irish universities can be found here.
The Centre for Science and Technology Studies of the Leiden University has constructed several university rankings based on scientific output. While based on the same data and methodological background, rankings differ depending on the focus of the impact – indicators. The Leiden ranking results 2008 can be found here.