Reports a survey conducted by the Bibliographical Center for Research to determine the extent of variations for entering local data on the part of BCR OCLC libraries. The results are presented along with a discussion of alternative practices and their impact on the processing of OCLC tapes. References are included. (Author/RAA)

Presents a methodology for studying indexing consistency in MARC records and describes a project that examined such consistency in subject cataloging practice between non-LC libraries and the Library of Congress. Patterns of indexing inconsistency are identified and suggestions are made for improving inter-indexer consistency. (seven references)…

Reports results of a study that examined Library of Congress topical subject headings and subdivisions in a large bibliographic database. Creation of a new machine-readable authority file of topical subdivisions and enhancements to the existing subject authority file are recommended to assist in assignment and validation of subdivided headings.…

Designed to characterize journals as part of the selection process for journals to be included in an information retrieval database, two studies used bibliometric techniques to examine patterns of publishing and topic patterns and coverage, and a third developed a rule-based system to evaluate the qualities of a journal. (CLB)

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)

Results of a survey of 20 networks distributing OCLC reveal patterns of service beyond OCLC and a commitment by the networks to automated library support systems, as well as brokerage of other automated services, revenue sources, staff size and growth, and future network planning. The questionnaire and four references are included. (Author/RAA)

Details the characteristics of authority records in the machine readable Library of Congress Subject Headings. Statistics are given on occurrences of variable length fields and the length and maximum length of such fields in subject heading records. The usefulness of these statistics for system design is discussed. (five references) (CLB)

Presents a comparative analysis of electronic access to theses and dissertations through CitaDel and FirstSearch. Highlights include the effectiveness and ease of use in providing enduser access; strengths and weaknesses of searching capabilities; coverage; pricing; and examples of direct retrieval comparison. (LRW)

Describes a study that was conducted at the Ohio State University library to examine interlibrary loan transactions and to determine (1) the ratio of unfilled to filled loan and copy requests, and (2) why the unfilled requests could not be satisfied. Interlibrary loan success rates using the OCLC Interlibrary Loan Subsystem are discussed. (eight…

Describes a study which examined (1) the percentage of personal and corporate name authority records in the Library of Congress authority file that do not contain any references, and (2) the percentage of references present on existing authority records that are not needed in an automatic right hand truncation, keyword searching environment. (CLB)

Describes a study that was conducted to determine the types of records found in OCLC and WLN (Washington Library Network) for new monographs being cataloged at the Central Washington University library. Highlights include a summary of pertinent literature; hit rates; classification numbers; duplicate records; and serial and monograph records.…

Describes a simulation of OCLC's TAPECON retrospective conversion service and its impact on an online catalog in a large university research library. The analysis includes results of Library of Congress Card Numbers, author/title, and title searches, and hit rates based on an analysis of OCLC and locally generated reports. (three references)…

Reports on a study of keyword and Boolean searching by users of an online public access catalog (OPAC) at the University of Oklahoma. Results of survey questionnaires and transaction log analysis indicate users search more often by keyword, even though the search usually fails and they don't understand it. (15 tables) (Author/LRW)

Evaluation of data from assessments of full bibliographic displays in academic library OPACs (online public access catalogs) and World Wide Web catalogs against a checklist of desirable features found that OPAC displays scored 58% and Web displays scored 60%. Discusses weaknesses, focusing on those found in the majority of the displays…

Describes the scope, objectives, and status of a study of user responses to public online catalogs conducted in 1982 with Council on Library Resources (CLR) funding. The framework for evaluating the user-catalog interface, data collection, and questionnaire content are discussed, and a copy of the survey questionnaire is appended. (Author/JL)