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Humbert, Karen – Drexel Library Quarterly, 1972
This review of the Keyword-in-Context (KWIC) indexing considers its inception by Luhn, its original format and purpose, various applications and uses of the basic KWIC concept, its advantages and disadvantages, and evaluations of its effectiveness. (30 references) (Author/NH)
Descriptors: Automatic Indexing, Data Processing, Indexes, Indexing
Peer reviewed Peer reviewed
Petrarca, Anthony E.; And Others – Journal of Chemical Documentation, 1971
It is shown that this new automatic indexing technique can be applied with the same effectiveness shown earlier for indexes derived from words in titles or title-like phrases; the basic difference being that linear notation symbols rather than words are used as the indexing units. (17 references) (Author/NH)
Descriptors: Automatic Indexing, Chemistry, Coordinate Indexes, Indexes
Conaway, Charles W. – 1973
The KWAC Index Generation Program was implemented at the State University of New York at Buffalo. It consists of only 252 statements for the COBOL Compiler Edition V310222 on the CDC6400 computer under the KRONOS operating system in the batch mode. The KWAC program is essentially a KWIC index generator designed for a special purpose for use in a…
Descriptors: Automatic Indexing, Citations (References), Computer Programs, Indexes
Peer reviewed Peer reviewed
Elvin, P. J. – Electronic Library, 1986
Discusses shortcomings of a computer program previously described (Electronic Library, April 1985) to create Keyword Out of Context (KWOC) indexes. Program modifications are described which allow indexers to edit terms as the index is being compiled so term consistency is achieved and language conventions are observed. Examples are presented. (MBR)
Descriptors: Automatic Indexing, Computer Software, Editing, Flow Charts
Schuler, S. C., Ed. – 1980
The third of four volumes in a series describing the basic documentation practices involved in the initial setting up and subsequent operation of an information-library organization to provide defense-aerospace scientific and technical information services, this manual consists of three sections. "Information Retrieval," by Tom Norton,…
Descriptors: Automatic Indexing, Coordinate Indexes, Information Centers, Information Dissemination
ALTMANN, BERTHOLD; BROWN, WILLIAM G. – 1965
THE FIRST-GENERATION APPROACH BY CONCEPT (ABC) STORAGE AND RETRIEVAL METHOD, A METHOD WHICH UTILIZES AS A SUBJECT APPROACH APPROPRIATE STANDARDIZED ENGLISH-LANGUAGE STATEMENTS PROCESSED AND PRINTED IN A PERMUTED INDEX FORMAT, UNDERWENT A PERFORMANCE TEST, THE PRIMARY OBJECTIVE OF WHICH WAS TO SPOT DEFICIENCIES AND TO DEVELOP A SECOND-GENERATION…
Descriptors: Automation, Catalogs, Computer Programs, Costs
ALTMANN, BERTHOLD – 1965
AFTER A BRIEF SUMMARY OF THE TEST PROGRAM (DESCRIBED MORE FULLY IN LI 000 318), THE STATISTICAL RESULTS TABULATED AS OVERALL "ABC (APPROACH BY CONCEPT)-RELEVANCE RATIOS" AND "ABC-RECALL FIGURES" ARE PRESENTED AND REVIEWED. AN ABSTRACT MODEL DEVELOPED IN ACCORDANCE WITH MAX WEBER'S "IDEALTYPUS" ("DIE OBJEKTIVITAET…
Descriptors: Correlation, Dictionaries, Evaluation Methods, Hypothesis Testing