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| Journal of the American… | 1 |
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| Egghe, L. | 1 |
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Peer reviewedEgghe, L. – Journal of the American Society for Information Science, 1997
Proves price index (proportion of references within the last five years of literature) is not a pure function of the mean or median reference age, but a well-defined relation in the form of a typical cloud of points. Compares models for analyzing price index (decreasing exponential and lognormal aging) and explains cloud using results from…
Descriptors: Citations (References), Comparative Analysis, Cost Indexes, Functions (Mathematics)
