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      Model-based evaluation of scientific impact indicators

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      Physical Review E

      American Physical Society (APS)

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          Most cited references 51

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          Is Open Access

          Statistical mechanics of complex networks

          Complex networks describe a wide range of systems in nature and society, much quoted examples including the cell, a network of chemicals linked by chemical reactions, or the Internet, a network of routers and computers connected by physical links. While traditionally these systems were modeled as random graphs, it is increasingly recognized that the topology and evolution of real networks is governed by robust organizing principles. Here we review the recent advances in the field of complex networks, focusing on the statistical mechanics of network topology and dynamics. After reviewing the empirical data that motivated the recent interest in networks, we discuss the main models and analytical tools, covering random graphs, small-world and scale-free networks, as well as the interplay between topology and the network's robustness against failures and attacks.
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            An index to quantify an individual's scientific research output.

             J. E. Hirsch (2005)
            I propose the index h, defined as the number of papers with citation number > or =h, as a useful index to characterize the scientific output of a researcher.
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              Experimental study of inequality and unpredictability in an artificial cultural market.

              Hit songs, books, and movies are many times more successful than average, suggesting that "the best" alternatives are qualitatively different from "the rest"; yet experts routinely fail to predict which products will succeed. We investigated this paradox experimentally, by creating an artificial "music market" in which 14,341 participants downloaded previously unknown songs either with or without knowledge of previous participants' choices. Increasing the strength of social influence increased both inequality and unpredictability of success. Success was also only partly determined by quality: The best songs rarely did poorly, and the worst rarely did well, but any other result was possible.
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                Author and article information

                Journal
                PLEEE8
                Physical Review E
                Phys. Rev. E
                American Physical Society (APS)
                2470-0045
                2470-0053
                September 2016
                September 16 2016
                : 94
                : 3
                Article
                10.1103/PhysRevE.94.032312
                © 2016

                http://link.aps.org/licenses/aps-default-license

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