Optimal user search sequences and implications for information systems operation

Norman R. Baker

American Documentation, 1969, vol. 20, issue 3, 203-212

Abstract: Persons with information needs are faced with determining which potential sources of need satisfaction should be accessed and the order of accession. A reward‐cost theory of behavior provides the structure necessary for postulating various user evaluation functions. Applications of techniques of sequential optimization in search theory yield criteria for determining optimal sequences relative to both the many sources‐one need and many sources‐many needs problems. These criteria are then analyzed relative to the operation of an information storage and retrieval system. It is shown that the information storage and retrieval system has control over the factors which interact to determine the optimal sequences, and the specific role played by each of these factors is investigated. The decision criteria can also be used to optimally order items, services, or search zones.

Date: 1969
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