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Egghe, 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)
Peer reviewed Peer reviewed
Fomenko, Anatoliy T.; Rachev, Svetlozar T. – Computers and the Humanities, 1990
Proposes an empirico-statistical model to differentiate dependent and independent historical texts. Formulates a regard for information principle and an amplitude correlation principle. Experimentally examines and validates the model and both principles using specific historical texts. Includes tables and graphs. Appends further discussion of the…
Descriptors: Ancient History, Chronicles, Comparative Analysis, Computer Uses in Education