Abstract
A quick and easy method is presented to estimate the overlap of data bases, which can be used to assist the data base producers and managers in their policy towards coverage of their subject area. The method has been applied to bibliographic data bases on low-cost water supply and sanitation, yielding information for users and for the data base producers.
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Provost, F., Nieuwenhuysen, P. Measuring overlap of data bases in water supply and sanitation using sampling and the binomial probability distribution. Scientometrics 25, 201–209 (1992). https://doi.org/10.1007/BF02016855
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DOI: https://doi.org/10.1007/BF02016855