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Determining the Minimum Number of Online Terminals Needed to Meet Various Library Service Policies.
Peer reviewed Peer reviewed
Taylor, Raymond G., Jr. – Information Technology and Libraries, 1987
Describes a model which uses patron arrival rate, length of time on the terminal, and library service policies to determine the minimum number of terminals needed. The model is then used to compare the effects of various service policies on the minimum number of terminals. (CLB)
Descriptors: Comparative Analysis, Library Policy, Library Services, Library Standards
Incremental Costs of Library Service Policies for Online Catalog Access.
Peer reviewed Peer reviewed
Taylor, Raymond G., Jr. – Information Technology and Libraries, 1987
Presents a model that calculates the conditions under which a library may adopt a highly service-oriented online catalog access policy at minimum additional cost. The use of arrival rates, service rates, and queueing calculations to arrive at a cost-effective policy is explained. (Author/CLB)
Descriptors: Cost Effectiveness, Library Expenditures, Library Policy, Library Services
Z39.50 and the Scholar's Workstation Concept.
Peer reviewed Peer reviewed
Phillips, Gary Lee – Information Technology and Libraries, 1992
Examines the potential application of the American National Standards Institute (ANSI)/National Information Standards Organization (NISO) Z39.50 library networking protocol as a client/server environment for a scholar's workstation. Computer networking models are described, and linking the workstation to an online public access catalog (OPAC) is…
Descriptors: Computer Networks, Computer Software, Computer System Design, Library Catalogs
The Linked Systems Protocol and the Future of Bibliographic Networks and Systems.
Peer reviewed Peer reviewed
Buckland, Michael K.; Lynch, Clifford A. – Information Technology and Libraries, 1987
Describes the Linked Systems Protocol, a draft national standard for bibliographic information retrieval aimed at developing an extended protocol for the movement of bibliographic information from one system to another, and its implications for library automation, the individual librarian, and the library user. (CLB)
Descriptors: Access to Information, Bibliographic Utilities, Cataloging, Computer Networks
The Development and Impact of a Global Information System.
Peer reviewed Peer reviewed
Kranch, Douglas A. – Information Technology and Libraries, 1989
Predicts that, over the next several decades, technological advancements in large scale database construction and maintenance, high speed digital transmission networks, and highly precise intelligent searchware will result in a worldwide information system. A projected model illustrates pricing and retrieval rate changes that may be expected over…
Descriptors: Computer Software, Cost Estimates, Database Design, Futures (of Society)
Measuring System Performance.
Peer reviewed Peer reviewed
Schmidt, James G.; And Others – Information Technology and Libraries, 1988
A series of articles examines the possible role of standards in measuring the performance of automated library systems and in planning the needed capacity of a system. Topics discussed include capacity modeling; response time measurement; system performance from the library, vendor, and consultant perspectives; and development of performance…
Descriptors: Consultants, Evaluation Criteria, Library Automation, Library Standards
Selecting Electronic Alternatives.
Peer reviewed Peer reviewed
Meyer, Richard W. – Information Technology and Libraries, 1993
Offers a model for choosing among CD-ROM, end user access, mediated online searching, or locally mounted files as alternatives for extending online catalogs and replacing printed indexes. Estimates of demand and comparisons of costs made at Trinity and Clemson Universities provide a quantitative framework for selection. (Contains four references.)…
Descriptors: Academic Libraries, Comparative Analysis, Costs, Databases