The report contains five papers dealing with some problems of a general classification scheme covering the whole field of knowledge which were presented at a conference held in London, June 1963. Topics covered included retrieval schemes, classification problems, inadequacies of existing classification schemes and the proposal of the…

An access method for bibliographic records that combines features of the search key approach and the inverted file approach. Permits extension of search key technique to large files. (Author/LS)

The author proposes a system using the HUC to identify all information and knowledge which can be reduced to a written, pictorial, oral, or machine readable record. The code designations, which may consist of letters, numerals, and other symbols and which average 12 to 18 characters in length, provide information in 12 fields: type of material,…

An introduction to the classification principles for documents at the Non-Formal Education Information Center is given for the cataloger. The classification scheme, itemized in the first section, consists of 11 main categories such as concepts, training methods, program content, bibliographies, and countries. The next section details…

Of the problems discussed, those posing the greatest obstacle for the full utilization of microform systems are: (1) the problem of identifying the material on microforms when it is associated with key words in computerized digitalized systems; (2) the problem of copyright in converting collections of material into microform stores; and (3) the…

AREAS INVESTIGATED INCLUDE SLOW MEMORY DATA STORAGE, THE PROBLEM OF DECODING FROM AN INDEX TO A SLOW MEMORY ADDRESS, THE STRUCTURE OF DATA LISTS AND DATA LIST OPERATORS, COMMUNICATIONS BETWEEN THE HUMAN USER AND THE SYSTEM, PROCESSING OF RETRIEVAL REQUESTS, AND THE USER'S CONTROL OVER THE RETURN OF INFORMATION RETRIEVED. LINEAR, LINKED AND…

A CLASSIFICATION SYSTEM FOR FOREIGN LANGUAGE RECORDINGS, DEVISED FOR USE AT THE UNIVERSITY OF ESSEX, IS DESCRIBED IN THIS ARTICLE. CODING AND CROSS-REFERENCE SYSTEMS FOR THE VARIOUS CATEGORIES OF TAPES ARE OUTLINED, AND SPECIFIC EXAMPLES ARE INCLUDED. APPENDED IS A LIST OF TAPE REFERENCE CODES. THE SYSTEM OUTLINED IS NOT CONSIDERED IDEAL, BUT IT…

THIS REPORT IS A BRIEF REVIEW OF RESULTS OF AN EXPERIMENT TO DETERMINE THE INFORMATION RETRIEVAL EFFICIENCY OF A MANUAL SPECIALIZED INFORMATION SYSTEM BASED ON 700,000 DOCUMENTS IN THE FIELDS OF ENDOCRINOLOGY, STRESS, MAST CELLS, AND ANAPHYLACTOID REACTIONS. THE SYSTEM RECEIVES 30,000 PUBLICATIONS ANNUALLY. DETAILED INFORMATION IS REPRESENTED BY…

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…

This book deals with properties of vocabularies for indexing and searching document collections; the construction, organization, display, and maintenance of these vocabularies; and the vocabulary as a factor affecting the performance of retrieval systems. Most of the text is concerned with vocabularies for post-coordinate retrieval systems, with…

The purpose of this project was to provide guidance to ERIC on how to facilitate product information retrieval. Information on practitioner needs, on the use of descriptors and abstracting procedures, and on alternatives for improving the system was gathered and circulated to NIE staff members. The resulting document described three alternative…