30 Jul '12, 7pm

Measuring the Impact of Altmetrics: When it comes to ranking academic influence, PageRank is just the start

Measuring the Impact of Altmetrics: When it comes to ranking academic influence, PageRank is just the start

There is a growing movement within the scientific establishment to better measure and reward all the different ways that people contribute to the messy and complex process of scientific progress.
 —Samuel Arbesman, Wired How do you measure the influence of a journal or scientist? Until recently that question was largely settled. For a journal, you could turn to the impact factor (or IF), which determines the relative importance of a journal within its field by looking at how many times its articles get cited in other journals relative to the total number of articles it publishes. PageRank (predating and loosely related to the famous PageRank algorithm used by the Google search engine) is a kind of IF measure that gives greater weight to journals with high impact; a similar measure is the Eigenfactor score created by the evolutionary biologist Carl T. Bergstrom. For an indi...

Full article: http://spectrum.ieee.org/at-work/tech-careers/measuring-t...

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