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With the vast majority of scientific papers now available online, this paper describes how the Web is allowing physicists and information providers to measure more accurately the impact of these papers and their authors. Provides a historical background of citation analysis, impact factor, new citation data sources (e.g., Google Scholar, Scopus, NASA's Astrophysics Data System Abstract Service, MathSciNet, ScienceDirect, SciFinder Scholar, Scitation/SPIN, and SPIRES-HEP), as well as h-index, g-index, and a-index.
15 pages, accepted for publication in Physics World (Janury 2007)
FOS: Computer and information sciences, Physics - Physics and Society, BB. Bibliometric methods, FOS: Physical sciences, Computer Science - Digital Libraries, Digital Libraries (cs.DL), Physics and Society (physics.soc-ph)
FOS: Computer and information sciences, Physics - Physics and Society, BB. Bibliometric methods, FOS: Physical sciences, Computer Science - Digital Libraries, Digital Libraries (cs.DL), Physics and Society (physics.soc-ph)
citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | 244 | |
popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network. | Top 1% | |
influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | Top 1% | |
impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network. | Top 1% |