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Cooper, William S. – Drexel Library Quarterly, 1978
Uses an historical analogy with Archimedes' problem concerning the volume of his king's golden crown to illustrate the evaluation problem for document and reference retrieval systems. Various methods that have been developed since 1950 to measure retrieval effectiveness are described, and utility measure formulas are provided. (JD)
Descriptors: Annotated Bibliographies, Historical Reviews, Information Retrieval, Mathematical Formulas
Peer reviewed Peer reviewed
Edwards, E. G.; Roberts, I. J. – Higher Education Review, 1980
Looking back on enrollment trends in higher education in Britain since 1800, this study examines the trend toward expansion and the philosophy behind such expansion. A statistical model is developed for enrollment trends, and recent literature on enrollment is examined in light of the model presented. (MSE)
Descriptors: Educational History, Enrollment Trends, Foreign Countries, Futures (of Society)