Classification
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Classification
Depth classification
1.0 Meaning of depth classification: To Ranganathan, depth-classification is ‘a scheme of classification fitted to reach co-extensiveness and expressiveness in the classification of micro thoughts having many rounds and levels of facets and isolates of high orders in any or all of them (Ranganathan, 1957). A schedule of depth classification scheme can be developed by extending a class in general classification scheme. 1.1 Need of…
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Classification
Thesaurus : An overview
1.0 Definition of Thesaurus: Derivationally the word thesaurus originated from the Greek language and symbolized the concept of treasury or storehouse of knowledge. The Webster’s dictionary has defined it as, ‘a useful literary collection or selection especially a book of synonyms and antonyms.’ (Webster, 1987). The Unesco has defined the thesaurus as, ‘a vocabulary of controlled indexing language formally organized so that the a priori…
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Classification
Library Classification
Library Classification: The word classification is derived from the Latin word “classes” which, is a process of grouping. It involves putting together like entities and separating unlike entities and pervades all the various activities of our life. Library classification aims to create a system out of disorder and provides a comprehensive view of the documents on a subject. Once an orderly arrangement has been achieved,…
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Classification
Enumerative Classification Scheme
The process of classification, in an enumerative scheme, achieved first by consulting the index and then by proceeding location pinpointed in the schedules. Although the index lists subjects rather than concepts one should never classify the index alone as this can lead to error. The relevant schedules examined in order to find the correct number. To take an example, if a book which deals with…
Read More » Freely Faceted Classification
A freely faceted classification is a scheme for classification guided by explicitly stated postulates, canons and principles for the three planes of work and involves the analysis of the subject into its facets in the idea plane, their transformation into kernal terms in the verbal planes using current standard technology, and these translation to kernal numbers in the national plane according to a scheme of…
Read More »Facet
Meaning of Facet in Library Classification. A particular aspect of a subject or train of characteristics. E.g., in literature, there may be four facets: language, form, author, and work. The term is used chiefly by Ranganathan in the colon classification and explained in detail by B.I. Palmer in his book The Fundamentals of Library Science. Ranganathan defined it as the totality of the sub-classes of…
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Classification
Library Classification Schemes
Classification Schemes: Classification schemes is defined as “a list of classes arranged according to a set of pre-defined principles for the purpose of organizing items in a collection or entries in an index, bibliography or catalogue into groups based on their similarities and differences to facilitate access and retrieval.” Library classification schemes are tools that allow us to allocate a class mark – an artificial…
Read More » Web Dewey (Online DDC)
About Web Dewey Users of DDC who started with the print version and later moved onto the Electronic version had long been requesting for more frequent institutional update of the Dewey database, hypertext linking and many other enhancements that are most effectively delivered in a browser-based setting. Apart from this, there is a very strong general trend from CDS to the Web today. Hence, Web-based…
Read More »Types of Library Classification Schemes
On one extreme, a Library classification scheme can be completely enumerative where every subject and class ID listed with a pre-defined notation and the classifier has simply to choose a class and the corresponding notation. On the other hand, a classification scheme can be fully faceted, where the classifier has to follow a set of rules to construct a class number. In between these two…
Read More »Dewey Decimal Classification : Brief Information of DDC
History of Dewey Decimal Classification (DDC) The Dewey Decimal Classification (DDC) system is a general knowledge classification tool used in library classification that is continuously revised to keep pace with current knowledge. This system first published in the United States of America by Melvil Dewey in 1876. Currently DDC is published by OCLC (Online Computer Library Center), and it is the most widely used classification…
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