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Saracevic, Tefko – 1968
This experiment used five index languages to form nine different index files to the same collection of documents. Each index term, in each language, was treated in two ways: as an independent English term, and as a coded entry in a faceted-type thesaurus which specified relationships between terms. The performance effect of the thesaurus was then…
Descriptors: Evaluation, Indexes, Indexing, Information Retrieval
Peer reviewed Peer reviewed
Croft, W. Bruce – Information Processing and Management, 1987
Discusses the overlap of research in artificial intelligence and information retrieval, focusing on the papers included in this special issue of Information Processing and Management. Highlights include the emphasis on evaluation and testing in prior research and use of manual and automatic indexing, expert systems, knowledge representation, and…
Descriptors: Artificial Intelligence, Evaluation, Indexing, Information Retrieval
Freeman, Robert R. – 1968
A set of twenty five questions was processed against a computer-stored file of 9159 document references in the field of ferrous metallurgy, representing the 1965 coverage of the Iron and Steel Institute (London) information service. A basis for evaluation of system performance characteristics and analysis of system failures was provided by using…
Descriptors: Classification, Computer Oriented Programs, Computers, Evaluation
Olive, G.; And Others – 1971
A selective dissemination of information service based on computer scanning of Nuclear Science Abstracts tapes has operated at the Atomic Energy Research Establishment, Harwell, England since October, 1968. The performance of the mechanized SDI service has been compared with that of the pre-existing current awareness service which is based on…
Descriptors: Automation, Evaluation, Indexing, Information Retrieval
Markey, Karen – 1980
This review takes a critical approach in summarizing and evaluating the methodology and scope of catalog use studies, with emphasis on the subject approach to card catalog searching. Subject access is defined in this report; however, the process of subject searching, described repeatedly in library literature, has been based upon common sense…
Descriptors: Cataloging, Content Analysis, Evaluation, Indexing
Saracevic, Tefko, Ed.; Rothenberg, Leslie, Ed. – 1967
The report deals with experiments in testing and evaluation of an information retrieval system within the Comparative Systems Laboratory (CSL). Section I outlines the approach and the general methodology developed in CSL, the operational design of the experiments, the construction and use of the manuals, and the general significance of the…
Descriptors: Abstracting, Codification, Comparative Testing, Computer Programs
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
Salton, Gerard – 1968
As the fourteenth report in a series describing research in automatic information storage and retrieval, this document covers work carried out on the SMART project for approximately one year (summer 1967 to summer 1968). The document is divided into four main parts: (1) SMART systems design, (2) analysis and search experiments, (3) user feedback…
Descriptors: Automation, Comparative Analysis, Computer Programs, Evaluation
BIVONA, WILLIAM A. – 1967
A SET OF GUIDELINES FOR IMPLEMENTING AND OPERATING A REPLICA OF A PROTOTYPE SELECTIVE DISSEMINATION OF INFORMATION (SDI) SYSTEM TESTED AT U.S. ARMY NATICK LABORATORIES, AND REPORTED IN LI 000 273, IS GIVEN IN THIS MANUAL. INFORMATION IS SUPPLIED WHICH IS USEFUL IN THE INITIAL STAGES OF IMPLEMENTATION. THE APPLICATION OF SPECIFIC CRITERIA FOR…
Descriptors: Abstracts, Computer Programs, Cost Effectiveness, Data Processing
Lancaster, F.W. – 1968
A detailed analysis was made by the National Library of Medicine of the performance of the Medical Literature and Analysis System (MEDLARS) in relation to 300 actual "demand search" requests made to the systems in 1966 and 1967. The objectives of the study were : (1) to study the demand search requirements of MEDLARS users, (2) to…
Descriptors: Coordinate Indexes, Evaluation, Indexing, Information Processing