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Patents and Standards
These two types of sources of information mostly belong to the literature of Science and Technology- Patent specifications are referred to as patents. A patent is a legal document by which a designated authority gives to the owner of an invention the exclusive rights to use or sell it. Patent specifications are significant in various industrial/special libraries which collect them in their fields of interest.
Standards are common to all human enterprises. They are promulgated by government departments, a wide range of non-governmental institutions, and many professional associations. The standards are published by the independent standards institutions and government departments to regulate the manufacture and design of specific goods, and to assure uniformity in size, quality, shape and methods of manufacture.
Levels of Description Even though AACR-2 provides for the eight areas of description and for certain elements of information in each area, it is not necessary that every docu
Controlled Indexing Language In the foregoing paragraphs we have discussed the concept of an indexing language as also, the categories into which it falls. In the process, we
Meaning A vocabulary control device depends on a master list of terms that can be assigned to documents. Such a master list of terms is called 'List of Subject Headings'. A l
Global Change-Issues and Impacts: This change refers to planetary-scale modifications in the Earth system. The systems comprise the oceans, land, poles, atmosphere, life, the natur
Parts of a Main Entry In that entry information is given in units as separate paragraphs. We observe that the first and second indention in fact help us write the paragraphs
ALPHABETICAL INDEXING LANGUAGES In this section let us look at the concept of indexing language, its categories and functional use. Let us begin with the meaning of 'indexi
Machine-readable Record Format MARC is an acronym for Machine-readable Catalogue or cataloguing. This general description is misleading, implying that MARC is a kind of cat
Subject The subject bibliographies form the largest group of enumerative bibliographies. It is defined as the one that deals with the materials pertaining to a single given su
Geographical Sources The geographical sources are a category of reference books that help in answering queries connected to places. They give information like description an
CATALOGUING AND CLASSIFICATION Cataloguing and classification are two interrelated processes that are performed in a library. The basic purpose of these two operations is to
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