Andrea Zaccaria

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We introduce an algorithm able to reconstruct the relevant network structure on which the time evolution of country-product bipartite networks takes place. The significant links are obtained by selecting the largest values of the projected matrix. We first perform a number of tests of this filtering procedure on synthetic cases and a toy model. Then we(More)
We discuss, at the macro-level of nations, the contribution of research funding and rate of international collaboration to research performance, with important implications for the " science of science policy ". In particular, we cross-correlate suitable measures of these quantities with a scientometric-based assessment of scientific success, studying both(More)
Technical trading represents a class of investment strategies for Financial Markets based on the analysis of trends and recurrent patterns in price time series. According standard economical theories these strategies should not be used because they cannot be profitable. On the contrary, it is well-known that technical traders exist and operate on different(More)
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