The Relationship Between Documents Read and Relevant References Retrieved as Effectiveness Measures for Information Retrieval Systems.

Lantz, Brian E.

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Peer reviewed

ERIC Number: EJ256693

Record Type: Journal

Publication Date: 1981-Sep

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The Relationship Between Documents Read and Relevant References Retrieved as Effectiveness Measures for Information Retrieval Systems.

Lantz, Brian E.

Journal of Documentation, v37 n3 p134-45 Sep 1981

Data on 2,380 searches of online information retrieval systems are analyzed using a mathematical model to determine the relationship between two measures of effectiveness--documents read and relevant references. The nature and relative merits of these two variables are discussed, as well as the findings, and seven references are listed. (RBF)

Descriptors: Foreign Countries, Goodness of Fit, Graphs, Information Retrieval, Information Services, Mathematical Models, Measurement Techniques, Online Systems, Relevance (Information Retrieval), Surveys, User Satisfaction (Information)

Publication Type: Journal Articles; Reports - Research

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Language: English

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