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Download full textLazorick, Gerald J. – 1970
This research is a study of demands for books in library circulation systems. Demand data for random samples of books were collected and fitted to various standard distributions. The numbers of demands for collections of books are shown to be Negative Binomially distributed. As is shown, this implies that the numbers of demands for individual…
Descriptors: Books, Library Automation, Library Circulation, Library Materials
Peer reviewedPierce, Anton R.; Taylor, Joe K. – Journal of Library Automation, 1978
A model to calculate the costs of automated cataloging systems based on cataloging copy in a system's data base is developed. The costs derived by the model for two systems, OCLC and BALLOTS, are compared to the costs of an existing manual system. (Author/KP)
Descriptors: Cataloging, Comparative Analysis, Costs, Libraries
Peer reviewedMiller, G.; Coleridge, F. – Journal of the American Society for Information Science, 1977
A semimathematical model for library circulation control. The application is intended to contribute to a more structured yet flexible approach to library circulation management. It includes provisions for circulation policy analysis and management, recording, and controlling of circulation transactions. (Author/KP)
Descriptors: Data Collection, Library Administration, Library Automation, Library Circulation
Peer reviewedSchuegraf, E. J. – Information Processing and Management, 1976
Calculations of storage requirements for retrieval systems using inverted files. Problem of minimal storage requirements for inverted file is solved for different index term distributions. (Author/KP)
Descriptors: Coordinate Indexes, Filing, Information Retrieval, Information Storage
Rouse, William B.; Rouse, Sandra H. – 1976
Relatively recent developments, ranging from microfilm catalogs to networked circulation systems, have the potential of removing much of the uncertainty from the routing of interlibrary loan requests. The opportunity of purchasing location and availability information changes the performance of a model interlibrary loan network. Data collected in…
Descriptors: Book Catalogs, Catalogs, Computer Oriented Programs, Costs
Peer reviewedOttensmann, John R.; Gleeson, Michael E. – Journal of the American Society for Information Science, 1993
Describes a computerized decision support system based on circulation data that was developed to assist the Indianapolis-Marion County Public Library in materials acquisition budgeting and other library management decision making. The budget allocation model is explained, and implementation and testing of the decision support system is described.…
Descriptors: Budgeting, Decision Making, Decision Support Systems, Library Acquisition
Rouse, William B.; And Others – 1975
The development of a mathematical model of the Illinois Library and Information Network (ILLINET) is described. Based on queueing network theory, the model predicts the probability of a request being satisfied, the average time from the initiation of a request to the receipt of the desired resources, the costs, and the processing loads. Using a…
Descriptors: Costs, Interlibrary Loans, Library Automation, Library Circulation
