Discusses means by which the standardization techniques established for the description of textual documents may be applied to graphic materials, and reviews some of the problems that must be addressed when planning for an international network of iconographic resource materials. (CLB)

Describes a prototype system for interactive knowledge-based indexing of the medical literature. Topics covered include current indexing practice; knowledge-based systems using frames; various types of assistance provided by the prototype system; and current research activities and plans for the development of the system. (17 references) (CLB)

Approaches to improved productivity in the input cycle of database creation are discussed in three papers. The discussions include problems with and potential impacts of computer support for indexers; conversion from a minicomputer based indexing and abstracting production system to a microcomputer network; and a computerized system for…

Describes an analysis of the current microcomputer periodical literature that examined the publishing and content characteristics of the literature, the nature of the indexing, and the availability of titles. Some fundamental problems with the literature are identified and discussed. A list of 79 microcomputer periodical titles is appended. (four…

Investigates methods of compressing headings identified by MARC subfield codes to reduce the size of browsable displays. An argument is made for sorting subdivisions by a conceptual, rather than an alphabetical, approach to present efficient browsable displays and relieve the user of the burden of data organization. (14 references) (Author/CLB)

Describes exploratory experiments in evaluating and improving a thesaurus through studying its effect on retrieval. A formula was developed to measure the conceptual distance between queries and documents encoded as sets of thesaurus terms. Comparison to the performance of people judging conceptual distance shows that the formula accurately…

Describes the basic concepts of Lotka's law of scientific productivity, Bradford's law of scatter, and Zipf's law of word occurrence. The discussion covers the validity of these laws and useful applications of each law to specific library applications. (13 references) (CLB)

Describes a study that illustrates the lack of bibliographic control of scientific research in Nigeria and discusses the causes underlying this situation. The formation of a national bibliographic association to coordinate bibliographic activities in Nigeria and solicit funding from international organizations is suggested. (CLB)

Presents a general overview of the development of Information Science Abstracts. The historical perspective, including the contributions of individuals and institutions, is discussed; its coverage is compared with that of other information science databases; and retrieval capabilities are described. (four references) (Author/CLB)

Review of the 1987 literature on library technical services covers research on: (1) cataloging; (2) subject analysis; (3) authority control; (4) use of the online catalog; (5) acquisitions; and (6) library preservation. The review is limited to studies with a clearly defined research methodology, primarily field studies or survey research. (38…

Describes a study that explored the acquisition and transfer of complex knowledge after using a conceptually-indexed hypertext learning environment based on cognitive theory and research. Results found evidence that a hypertext learning environment with conceptually-indexed case-based materials and modeling/scaffolding support can help…

Discussion of indexing as a problem-solving activity focuses on an experiment that applied theories and methods from cognitive psychology to study interindexer consistency. Eight indexers (four novice and four experts) used two thesauri to index the same four documents. Three kinds of verbal reports were used to assess cognitive processes. (LRW)

Discussion of index construction for large text collections highlights a new indexing algorithm designed to create large compressed inverted indexes "in situ." Topics include a computational model, inversion, index compression, merging, experimental test results, effect on retrieval performance, memory restrictions, and dynamic…

Describes a system developed at the National Aeronautics and Space Administration (NASA) that automatically converts index terms from the Defense Technical Information Center (DTIC) to NASA thesaurus terms. The NASA Lexical Dictionary (NLD) that generates thesaurus terms for indexing is explained, and the development of machine-aided indexing is…

To solve an applied research problem with bipolar data, a set of equations was developed that combined all plus and minus data combinations into unique values and scale points. The equations were tested through computer simulations and empirical tests. Resulting index scores were approximately interval and linear and easy to use and interpret.…