This paper presents a review of altmetrics or alternative metrics. This concept is defined as the creation and study of new indicators for analysing scientific and academic research activity based onWeb 2.0. The underlying premise is that variables such as mentions in blogs, numberof tweets or saves ofan articleby researchersin reference management systems, may be a valid measure of the use and impactof scientific publications. In this respect,these measuresare becoming particularly relevant, being at the centre of debate within the bibliometric community. Firstly,an explanation is given of the main platforms and indicators for this type of measurement. Subsequently,a study is undertaken of a selection of papers from the field of communication, comparing the number of citations received withtheir 2.0 indicators.The results show that the most cited articles within recent years also have significantly higher altmetric indicators. Next follows a review of the principal empirical studies undertaken, centering on the correlations between bibliometric and alternative indicators. To conclude, the main limitations of altmetrics are highlighted,alongside a reflective consideration of the role altmetrics may play in capturing the impactof research in Web 2.0 platforms.
On November 18, 1985, the first Calvin and Hobbes daily comic strip is published, the humorous antics of Calvin, a precocious and adventurous six-year-old boy, and Hobbes, his sardonic stuffed tiger by American cartoonist Bill Watterson. Ok, you might ask, what does a daily cartoon comic strip have to do with the history of science and technology. Well, we have included Calvin and Hobbes into our daily blog for several reasons: First, the reference for John Calvin and Thomas Hobbes and their philosophic differences that have been expressed in a wonderful and very peculiar way. Second, some of the cartoons do really relate to science and technology - let's not forget about transmogrification -, and third, there is of course also a personal story that I'm going to tell you today...
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One way to try to get a handle on what's happening in a scientific field is to study citations in research papers. n a visualization of a complex network with many links, however, it can be very difficult to recognize significant patterns amid the clutter
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