Salvato in:
| Autore principale: | |
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| Natura: | Recurso educativo Open Access |
| Lingua: | en |
| Pubblicazione: |
1993
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| Soggetti: | |
| Accesso online: | https://eric.ed.gov/?id=EJ467316 |
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Sommario:
- Exact Probabilistic and Mathematical Proofs of the Relation between the Mean Number of Items per Source in the Bibliography and the Generalized 80/20-Rule. Egghe, L. Bibliographies Bibliometrics Information Science Library Acquisition Library Circulation Library Collection Development Library Policy Mathematical Formulas Statistical Distributions Examines the 80/20 rule that relates to productive sources in a bibliography. Highlights include applications in library acquisition policies, library circulation and weeding policies, science policy studies, information science, and econometrics; formulae of Burrell and of Egghe; probabilistic proofs; geometric distributions; Lotka distribution; and mathematical proofs. (Contains 13 references.) (LRW)