The new Excellence Indicator in the World Report of the SCImago Institutions Rankings 2011

One of the most useful and correct methodological approaches in bibliometrics is ranking. In the context of highly skewed bibliometric distributions and severe distortions caused by outliers, it is often the preferable way of analysis. Ranking methodology strictly implies that “oranges should be compared with oranges, apples with apples”. We should make a “like with like” comparison. Ranks in different fields show how a unit under study is...