Book,

Information Retrieval, 2nd edition

.
Dept. of Computer Science, University of Glasgow, Second edition, (1979)

Abstract

Information retrieval is a wide, often loosely-defined term but in these pages I shall be concerned only with automatic information retrieval systems. Automatic as opposed to manual and information as opposed to data or fact. Unfortunately the word information can be very misleading. In the context of information retrieval (IR), information, in the technical meaning given in Shannon's theory of communication, is not readily measured (Shannon and Weaver1). In fact, in many cases one can...

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