November 2016
Intermediate to advanced
608 pages
17h 27m
English
Content preview from Elements of Information Organization and Dissemination
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Chapter V
Information Systems and Networks
Abstract
A system, the aim of which is information retrieval, can be called an information retrieval system or in short information system. Any information system has three main components—Input unit, Processor, and Output unit. An information system may not always be bibliographic or textual. There can also be nonbibliographic or nontextual information systems. Again all bibliographic or textual information systems may not always be sponsored or maintained by libraries or information centers. An information system or network may be either subject-oriented or mission oriented. In a subject-oriented system, the orientation may be either toward science and technology covering physical sciences, life science, ...
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