Library classification is a process that organizes library materials into a logical sequence on shelves. It involves translating the subject of documents into a notation system of numbers and symbols. This classification notation is combined with other identifiers to form a unique call number for each document, which is used to arrange the documents on shelves and locate them. The goals of library classification include helping users easily find and browse related materials and maintaining a consistent organization of the collection.
Library classification involves arranging books and materials in a logical order to help users find what they need easily. It can be done through enumerative systems that list subjects alphabetically and assign numbers, hierarchical systems that divide subjects from general to specific, or faceted systems that break down subjects into orthogonal components. The key goals of classification are to provide a helpful arrangement, allow for revisions to accommodate new topics, and make the system simple for users to understand and apply.
The document discusses various library classification schemes including enumerative, analytico-synthetic, and faceted classification schemes. It provides details on the Dewey Decimal Classification (DDC) system, the Universal Decimal Classification (UDC) system, and S.R. Ranganathan's Colon Classification scheme. The key aspects, structures, purposes, and advantages of these classification schemes are summarized.
A comparative analysis of library classification systemsRaja Yaseen Khan
This document provides an overview of various library classification systems. It begins with definitions of classification and library classification. It then describes the purpose and functions of book classification schemes. The major sections cover five common library classification systems (Dewey Decimal, Library of Congress, Universal Decimal, Colon, and others) and provide details on their structure, notation, features, advantages, and disadvantages. It concludes with a comparative analysis and references.
A comparative analysis of library classification systemsAli Hassan Maken
We use classification each & every moment of the life by intentionally or unintentionally. Classification has always been the backbone of all Library operations and without it, library is definitely going to suffer in its recourse and to find a particular piece of information from unorganized heap of knowledge is almost impossible. The library classification is core instrument for organizing and retrieval of the documents stored in a library. At present era they are the navigation tools for locating and retrieving documents in more precisely and relevantly. The electronic versions of the DDC and UDC and other classification schemes make it possible to realize the potential of library classification to improve subject retrieval.
Conventional Methods of Organizing and Retrieving InformationLord Allen
Conventional methods of organizing library collections include classification schemes, catalogs, and shelf lists. Classification schemes group materials by subject using a logical system to arrange knowledge. The Dewey Decimal and Library of Congress systems are two common classification schemes that assign call numbers to materials. Catalogs serve as indexes to the collection, indicating what a library holds and where items can be found. Shelf lists duplicate the physical order of materials on shelves for inventory purposes. However, static classification schemes face challenges of impermanence and need for continuous revision as knowledge and interests change over time.
The document provides an overview of the history and development of subject indexing. It discusses how subject indexing originated from ancient libraries arranging documents by subject. In the 19th century, alphabetical subject indexing became more widespread and systematic. Standard subject heading lists were developed by organizations like the American Library Association and Library of Congress, establishing practices for consistent terminology. Theorists like Cutter, Ranganathan, and Farradane contributed frameworks for analyzing and structuring subject terms. Computers began aiding information retrieval in the 1950s through indexes. Formats like KWIC and citation indexes like the Science Citation Index automated subject access.
Research Paper published in 'Australian Journal of Humanities and Islamic Studies Research', Vol2, Issue 1 (Jan-16 to Jun-16)
Abstract:
This paper presents an overview of cataloguing and classification process for libraries and analyzes it from the point of view of digital libraries. A case study of Australian Islamic Library’s cataloguing process is presented in line with discussions from literature review and key challenges faced by library’s patrons. Library’s cataloguing method provides ease, flexibility and productivity in assisting users easily find required resources while not becoming a burdon on library staff in terms of its establishment and maintenance. It also addresses most of the improvement opportunities identified by library staff and users.
Library classification involves arranging books and materials in a logical order to help users find what they need easily. It can be done through enumerative systems that list subjects alphabetically and assign numbers, hierarchical systems that divide subjects from general to specific, or faceted systems that break down subjects into orthogonal components. The key goals of classification are to provide a helpful arrangement, allow for revisions to accommodate new topics, and make the system simple for users to understand and apply.
The document discusses various library classification schemes including enumerative, analytico-synthetic, and faceted classification schemes. It provides details on the Dewey Decimal Classification (DDC) system, the Universal Decimal Classification (UDC) system, and S.R. Ranganathan's Colon Classification scheme. The key aspects, structures, purposes, and advantages of these classification schemes are summarized.
A comparative analysis of library classification systemsRaja Yaseen Khan
This document provides an overview of various library classification systems. It begins with definitions of classification and library classification. It then describes the purpose and functions of book classification schemes. The major sections cover five common library classification systems (Dewey Decimal, Library of Congress, Universal Decimal, Colon, and others) and provide details on their structure, notation, features, advantages, and disadvantages. It concludes with a comparative analysis and references.
A comparative analysis of library classification systemsAli Hassan Maken
We use classification each & every moment of the life by intentionally or unintentionally. Classification has always been the backbone of all Library operations and without it, library is definitely going to suffer in its recourse and to find a particular piece of information from unorganized heap of knowledge is almost impossible. The library classification is core instrument for organizing and retrieval of the documents stored in a library. At present era they are the navigation tools for locating and retrieving documents in more precisely and relevantly. The electronic versions of the DDC and UDC and other classification schemes make it possible to realize the potential of library classification to improve subject retrieval.
Conventional Methods of Organizing and Retrieving InformationLord Allen
Conventional methods of organizing library collections include classification schemes, catalogs, and shelf lists. Classification schemes group materials by subject using a logical system to arrange knowledge. The Dewey Decimal and Library of Congress systems are two common classification schemes that assign call numbers to materials. Catalogs serve as indexes to the collection, indicating what a library holds and where items can be found. Shelf lists duplicate the physical order of materials on shelves for inventory purposes. However, static classification schemes face challenges of impermanence and need for continuous revision as knowledge and interests change over time.
The document provides an overview of the history and development of subject indexing. It discusses how subject indexing originated from ancient libraries arranging documents by subject. In the 19th century, alphabetical subject indexing became more widespread and systematic. Standard subject heading lists were developed by organizations like the American Library Association and Library of Congress, establishing practices for consistent terminology. Theorists like Cutter, Ranganathan, and Farradane contributed frameworks for analyzing and structuring subject terms. Computers began aiding information retrieval in the 1950s through indexes. Formats like KWIC and citation indexes like the Science Citation Index automated subject access.
Research Paper published in 'Australian Journal of Humanities and Islamic Studies Research', Vol2, Issue 1 (Jan-16 to Jun-16)
Abstract:
This paper presents an overview of cataloguing and classification process for libraries and analyzes it from the point of view of digital libraries. A case study of Australian Islamic Library’s cataloguing process is presented in line with discussions from literature review and key challenges faced by library’s patrons. Library’s cataloguing method provides ease, flexibility and productivity in assisting users easily find required resources while not becoming a burdon on library staff in terms of its establishment and maintenance. It also addresses most of the improvement opportunities identified by library staff and users.
The document discusses several key points about library classification systems:
1) Shiyali Ramamrita Ranganathan introduced the Colon Classification system which classifies knowledge into broad concepts called facets, distinguished using colons.
2) Specialized libraries may develop their own customized systems, like the Mathematics Subject Classification.
3) The National Library of Medicine classification was adopted by most US medical libraries, using the letter W for medicine and parts of class Q for science.
4) Subject headings allow libraries to assign multiple terms to works covering multiple topics, improving searchability.
Comparative study of major classification schemesNadeem Nazir
This document presents a comparative study of major library classification schemes. It provides an overview of Dewey Decimal Classification and Library of Congress Classification, the two most commonly used schemes. It discusses how Dewey Decimal Classification was developed by Melville Dewey and has 10 main classes and 7 tables for organizing knowledge. It also outlines how Library of Congress Classification was developed and has 21 main classes, with individual subject specialists developing each schedule. The document compares the merits and weaknesses of both systems and how different libraries choose a classification scheme based on their collection size, subjects, and users.
This document provides an overview of cataloguing and classification in libraries. It discusses the objectives and process of cataloguing, including main entries, descriptive cataloguing and added entries. It describes different types of catalogues such as book, card, and online public access catalogues. It also discusses classification systems like the Library of Congress and Dewey Decimal systems and how they are used to systematically arrange library materials.
The document provides an overview of bibliographic control systems and classification schemes, focusing on the Dewey Decimal Classification system. It discusses the purpose of classification systems in organizing library collections and allowing users to retrieve related materials. It then describes the development of classification from early schemes to modern systems like Dewey Decimal and Library of Congress classifications. It explains key concepts in Dewey like number building, tables, and the relative index.
Knowledge is dynamic and continuous. Our curiosity makes us to think more and more about certain problems and improve our knowledge in that area.
The totality of subjects is called “Universe Of Subjects”. Sometimes, we also use the word universe of knowledge, by which we mean that total knowledge available to humanity at any particular point of time....
MODE OF FORMATION OF SUBJECTS,The Features of Library Classification-NEED AND PURPOSE LIBRARY CLASSIFICATION
Searching Printed Health Information using Current Awareness ToolsJayatunga Amaraweera
1. The document defines and describes various tools for keeping up-to-date with current health information publications, such as indexes, abstracts, bibliographies, periodical indexes, and journals.
2. It provides definitions for key current awareness tools including indexes, abstracts, bibliographies, current contents, citation indexes, periodical indexes, catalogs, and directories.
3. Examples are given of health-related journals like the British Medical Journal, Lancet, and New England Journal of Medicine.
Carl Linnaeus is famous for modern taxonomy. Less known is that to manage vast data, he invented the index card, revolutionizing data organization. The index card allowed Linnaeus to record and categorize information in an orderly, searchable manner.
The document defines an index and abstract. [1] An index is a systematic guide to items or concepts in a collection, arranged in a known order such as alphabetical. It provides references to locate items. [2] An abstract is a brief, accurate representation or summary of a document, including essential contents and bibliographic details to identify the original. [3] Both indexes and abstracts aim to help users efficiently navigate and understand information from a collection of documents.
This document discusses the differences between knowledge classification and book classification. Knowledge classification involves systematically organizing all human knowledge into a logical structure, while book classification is a practical system for arranging physical books on library shelves. Some key differences are that knowledge classification represents fields of learning, while book classification expresses knowledge; knowledge classification is multidimensional, while book classification must be one-dimensional on shelves; and book classification includes additional elements like a generalia class, form classes, notation, and index to aid in locating books.
This document discusses different types of indexes, including alphabetical, author, book, citation, classified, coordinate, cumulative, and faceted indexes. It provides details on the defining characteristics and purposes of each type. Alphabetical indexes list entries in one alphabetical order but can have problems with synonyms and scattering of entries. Author indexes use people or organizations as entry points. Book indexes are commonly found at the back of books to locate information. Citation indexes show which papers cite a given paper. Classified indexes arrange contents systematically by classes or subjects. Coordinate indexes allow terms to be combined. Cumulative indexes merge indexes over time. Faceted indexes attempt to discover all individual aspects of a subject.
Classifying toward an Ensemble of Works: an essay on the centrality of classi...Gwen Williams
Ordering large numbers of things and classification. Spatial arrangements of objects versus knowledge organization subordinated by classification schemes. Classifying the interdisciplinary book. Henry Evelyn Bliss. Disciplines and the relative stability of knowledge. Call number versus barcode number.
Paper 4 Information Processing: Cataloguing(Theory) of BLIS KSOU 2013 QP is Solved
Subscribe to Vision Academy YouTube Channel
https://www.youtube.com/channel/UCjzpit_cXjdnzER_165mIiw
The document discusses organizing library resources through cataloging, classification, and categorization. Cataloging involves describing items and assigning call numbers to prepare items for the shelf and catalog. Classification uses a systematic notation system like Dewey Decimal to arrange items by subject on the shelf. Categorization involves arranging a collection by format, genre, reading level, or other attributes to aid users in finding materials.
Subject analysis: What's it all about, Alfie?Johan Koren
This document provides an overview of subject analysis and subject headings in library cataloging. It discusses what subject analysis is, why it is important for information retrieval, and some of the key considerations in determining subject headings. Specifically:
1) Subject analysis examines bibliographic items to determine the most specific subject headings that describe their content, to serve as access points for subject searching.
2) Assigning accurate subject headings is crucial for allowing users to find relevant information. It requires analyzing the aboutness or topics addressed by a work.
3) Determining subject headings involves cataloger judgment and balancing specificity with consistency. Standardized subject heading lists help provide consistency, but catalogers must sometimes create new headings.
This document discusses organizing library collections. It begins by explaining that an organized library allows users to efficiently find resources. The main methods for organizing a collection are then introduced as cataloging, classification, and categorization. Cataloging is defined as the process of preparing items so they can be found in the library collection and located on the shelf, involving bibliographic description, subject analysis, and assigning classification symbols. Classification assigns a call number to locate each item in the library setting and realm of knowledge. Categorization involves arranging a collection by format, genre, or other attributes. The advantages of organizing by genre are also mentioned.
This document discusses various library classification schemes including the Dewey Decimal Classification (DDC) system, Colon classification, and classifications for Islamic knowledge. It notes that the DDC system is the most widely used worldwide and divides all knowledge into ten main classes. Colon classification is a faceted system used in India. The document also discusses scholars like Dr. Haroon Idrees who have proposed new classifications for Islamic knowledge, as existing schemes do not adequately cover this subject area.
LibraryOneSearch provides seamless access to the collections of the Spencer Art Reference Library through a single search interface. It allows users to search books, journals, databases, digital collections, and other materials simultaneously. The new system launched in 2011 as a replacement for the original catalog and has since added features like refining search results, accessing digitized special collections, and searching across subject-specific article databases to improve discovery for library users. Staff are available for assistance with using LibraryOneSearch and other library resources.
The document provides an overview of different library classification systems including Dewey Decimal Classification (DDC), Library of Congress Classification (LCC), and Universal Decimal Classification (UDC). It explains what classification is, how DDC and LCC are structured with call numbers, and how Melville Dewey developed the DDC system in the late 1800s. Examples of call numbers are given to illustrate the subject and author components.
Introduction to archival processing, presented as part of a one-day workshop on the same topic, Drexel University, April 23, 2010. Adapted with permission from training materials created by Holly Mengel for the PACSCL Hidden Collections Processing Project. http://clir.pacscl.org/
it describes the bony anatomy including the femoral head , acetabulum, labrum . also discusses the capsule , ligaments . muscle that act on the hip joint and the range of motion are outlined. factors affecting hip joint stability and weight transmission through the joint are summarized.
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The document discusses several key points about library classification systems:
1) Shiyali Ramamrita Ranganathan introduced the Colon Classification system which classifies knowledge into broad concepts called facets, distinguished using colons.
2) Specialized libraries may develop their own customized systems, like the Mathematics Subject Classification.
3) The National Library of Medicine classification was adopted by most US medical libraries, using the letter W for medicine and parts of class Q for science.
4) Subject headings allow libraries to assign multiple terms to works covering multiple topics, improving searchability.
Comparative study of major classification schemesNadeem Nazir
This document presents a comparative study of major library classification schemes. It provides an overview of Dewey Decimal Classification and Library of Congress Classification, the two most commonly used schemes. It discusses how Dewey Decimal Classification was developed by Melville Dewey and has 10 main classes and 7 tables for organizing knowledge. It also outlines how Library of Congress Classification was developed and has 21 main classes, with individual subject specialists developing each schedule. The document compares the merits and weaknesses of both systems and how different libraries choose a classification scheme based on their collection size, subjects, and users.
This document provides an overview of cataloguing and classification in libraries. It discusses the objectives and process of cataloguing, including main entries, descriptive cataloguing and added entries. It describes different types of catalogues such as book, card, and online public access catalogues. It also discusses classification systems like the Library of Congress and Dewey Decimal systems and how they are used to systematically arrange library materials.
The document provides an overview of bibliographic control systems and classification schemes, focusing on the Dewey Decimal Classification system. It discusses the purpose of classification systems in organizing library collections and allowing users to retrieve related materials. It then describes the development of classification from early schemes to modern systems like Dewey Decimal and Library of Congress classifications. It explains key concepts in Dewey like number building, tables, and the relative index.
Knowledge is dynamic and continuous. Our curiosity makes us to think more and more about certain problems and improve our knowledge in that area.
The totality of subjects is called “Universe Of Subjects”. Sometimes, we also use the word universe of knowledge, by which we mean that total knowledge available to humanity at any particular point of time....
MODE OF FORMATION OF SUBJECTS,The Features of Library Classification-NEED AND PURPOSE LIBRARY CLASSIFICATION
Searching Printed Health Information using Current Awareness ToolsJayatunga Amaraweera
1. The document defines and describes various tools for keeping up-to-date with current health information publications, such as indexes, abstracts, bibliographies, periodical indexes, and journals.
2. It provides definitions for key current awareness tools including indexes, abstracts, bibliographies, current contents, citation indexes, periodical indexes, catalogs, and directories.
3. Examples are given of health-related journals like the British Medical Journal, Lancet, and New England Journal of Medicine.
Carl Linnaeus is famous for modern taxonomy. Less known is that to manage vast data, he invented the index card, revolutionizing data organization. The index card allowed Linnaeus to record and categorize information in an orderly, searchable manner.
The document defines an index and abstract. [1] An index is a systematic guide to items or concepts in a collection, arranged in a known order such as alphabetical. It provides references to locate items. [2] An abstract is a brief, accurate representation or summary of a document, including essential contents and bibliographic details to identify the original. [3] Both indexes and abstracts aim to help users efficiently navigate and understand information from a collection of documents.
This document discusses the differences between knowledge classification and book classification. Knowledge classification involves systematically organizing all human knowledge into a logical structure, while book classification is a practical system for arranging physical books on library shelves. Some key differences are that knowledge classification represents fields of learning, while book classification expresses knowledge; knowledge classification is multidimensional, while book classification must be one-dimensional on shelves; and book classification includes additional elements like a generalia class, form classes, notation, and index to aid in locating books.
This document discusses different types of indexes, including alphabetical, author, book, citation, classified, coordinate, cumulative, and faceted indexes. It provides details on the defining characteristics and purposes of each type. Alphabetical indexes list entries in one alphabetical order but can have problems with synonyms and scattering of entries. Author indexes use people or organizations as entry points. Book indexes are commonly found at the back of books to locate information. Citation indexes show which papers cite a given paper. Classified indexes arrange contents systematically by classes or subjects. Coordinate indexes allow terms to be combined. Cumulative indexes merge indexes over time. Faceted indexes attempt to discover all individual aspects of a subject.
Classifying toward an Ensemble of Works: an essay on the centrality of classi...Gwen Williams
Ordering large numbers of things and classification. Spatial arrangements of objects versus knowledge organization subordinated by classification schemes. Classifying the interdisciplinary book. Henry Evelyn Bliss. Disciplines and the relative stability of knowledge. Call number versus barcode number.
Paper 4 Information Processing: Cataloguing(Theory) of BLIS KSOU 2013 QP is Solved
Subscribe to Vision Academy YouTube Channel
https://www.youtube.com/channel/UCjzpit_cXjdnzER_165mIiw
The document discusses organizing library resources through cataloging, classification, and categorization. Cataloging involves describing items and assigning call numbers to prepare items for the shelf and catalog. Classification uses a systematic notation system like Dewey Decimal to arrange items by subject on the shelf. Categorization involves arranging a collection by format, genre, reading level, or other attributes to aid users in finding materials.
Subject analysis: What's it all about, Alfie?Johan Koren
This document provides an overview of subject analysis and subject headings in library cataloging. It discusses what subject analysis is, why it is important for information retrieval, and some of the key considerations in determining subject headings. Specifically:
1) Subject analysis examines bibliographic items to determine the most specific subject headings that describe their content, to serve as access points for subject searching.
2) Assigning accurate subject headings is crucial for allowing users to find relevant information. It requires analyzing the aboutness or topics addressed by a work.
3) Determining subject headings involves cataloger judgment and balancing specificity with consistency. Standardized subject heading lists help provide consistency, but catalogers must sometimes create new headings.
This document discusses organizing library collections. It begins by explaining that an organized library allows users to efficiently find resources. The main methods for organizing a collection are then introduced as cataloging, classification, and categorization. Cataloging is defined as the process of preparing items so they can be found in the library collection and located on the shelf, involving bibliographic description, subject analysis, and assigning classification symbols. Classification assigns a call number to locate each item in the library setting and realm of knowledge. Categorization involves arranging a collection by format, genre, or other attributes. The advantages of organizing by genre are also mentioned.
This document discusses various library classification schemes including the Dewey Decimal Classification (DDC) system, Colon classification, and classifications for Islamic knowledge. It notes that the DDC system is the most widely used worldwide and divides all knowledge into ten main classes. Colon classification is a faceted system used in India. The document also discusses scholars like Dr. Haroon Idrees who have proposed new classifications for Islamic knowledge, as existing schemes do not adequately cover this subject area.
LibraryOneSearch provides seamless access to the collections of the Spencer Art Reference Library through a single search interface. It allows users to search books, journals, databases, digital collections, and other materials simultaneously. The new system launched in 2011 as a replacement for the original catalog and has since added features like refining search results, accessing digitized special collections, and searching across subject-specific article databases to improve discovery for library users. Staff are available for assistance with using LibraryOneSearch and other library resources.
The document provides an overview of different library classification systems including Dewey Decimal Classification (DDC), Library of Congress Classification (LCC), and Universal Decimal Classification (UDC). It explains what classification is, how DDC and LCC are structured with call numbers, and how Melville Dewey developed the DDC system in the late 1800s. Examples of call numbers are given to illustrate the subject and author components.
Introduction to archival processing, presented as part of a one-day workshop on the same topic, Drexel University, April 23, 2010. Adapted with permission from training materials created by Holly Mengel for the PACSCL Hidden Collections Processing Project. http://clir.pacscl.org/
it describes the bony anatomy including the femoral head , acetabulum, labrum . also discusses the capsule , ligaments . muscle that act on the hip joint and the range of motion are outlined. factors affecting hip joint stability and weight transmission through the joint are summarized.
Communicating effectively and consistently with students can help them feel at ease during their learning experience and provide the instructor with a communication trail to track the course's progress. This workshop will take you through constructing an engaging course container to facilitate effective communication.
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libraryclassification-190212235413.pptx
1.
2. Let’s start by defining the word
“CLASSIFICATION”
2
Jens Martensson
3. • CLASSIFICATION - The term ‘Classification’ is a derivation from the
Latin word “Classis” which connotes ‘Grouping’.
• Classification is a procedure of grouping similar items and objects
and is essential in formulating groups that is known as classifying
which results in Classification. This process helps the user to
arrange, organize and make a logical sense of articles which also
assists the user to locate them in an easy manner.
• Classification is the ability to distinguish objects through their
similarities and dissimilarities which is distinct in their identities for
human beings.
3
Jens Martensson
4. LIBRARY CLASSIFICATION
4
Jens Martensson
• Library Classification is related with the arrangement of documents in the
library in a manner that the readers are served in the best possible way.
- it requires a detailed scheme of classification in which knowledge is divided
into a broader perspective, which is again subdivided into subjects or main
classes.
• Each subject and its divisions along with their specific aspects are
represented by a system of numbers called Notation.
• It is the notation that helps in the arrangement of documents on the shelf.
• Library classification deals with the organizing of library materials,
belongs to a systematic group.
5. • Library Classification can also be considered to be a process of
putting books and other reading material on a subject in a logical
sequence on the shelf, which could be of immense help to the
users.
- It requires an adept thorough study and practice in the technique of
classification of books, knowledge of the details and handling of the
scheme of classification.
• Library Classification is one of the most important steps in the
organization of the libraries and has been aptly called the
“Foundation of Librarianship”
LIBRARY CLASSIFICATION
5
Jens Martensson
6. • According to Berwick Sayers, library classification is “the
arrangement of books on shelves or descriptions of them, in the
manner which is most useful to those who read.”
• Similarly, Dr. S R Ranganathan, library classification is meant to
be “the translation of the name of the subject of a book into a
preferred artificial language of ordinal numbers, and the
individualization of the several books dealing with the same specific
subject by means of further set of ordinal numbers which represent
some features of the book other than their thought content.”
LIBRARY CLASSIFICATION
6
Jens Martensson
7. The following are the main purposes of library classification:
1. Helpful Sequence - Classification helps in organizing the documents in a
method most convenient to the users and to the library staff. The documents
should be systematically arranged in classes based on the mutual relationship
between them which would bring together all closely related classes. The basic
idea is to bring the like classes together and separate these from unlike
classes. The arrangement should be such that the user should be able to
retrieve the required document as a result it will make a helpful sequence.
2. Correct Replacement - Documents whenever taken out from shelf should be
replaced in their proper places. It is essential that library classification should
enable the correct replacement of documents after they have been returned
from use. This would require a mechanized arrangement so that arrangement
remains permanent.
PURPOSE OF LIBRARY CLASSIFICATION
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8. 3.Mechanized Arrangement - It means to adopt a particular
arrangement suitable for the library so that the arrangement remains
permanent. The sequence should be determined once for all, so that
one does not have to pre-determine the sequence of documents
once again when these are returned after being borrowed.
4.Addition of New Document - Library would acquire new
documents from time to time therefore library classification should
help in finding the most helpful place for each of those among the
existing collection of the library. There are two possibilities in this
regard. The new books may be or a subject already provided for in
the scheme of library classification, or it may be or a newly emerging
subject that may not have been provided in the existing scheme.
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9. 5.Withdrawal of Document from Stock - In this case, the need
arises to withdraw a document from the library collection for some
reason, and then library classification should facilitate such a
withdrawal.
6.Book Display - Display is adopted for a special exhibition of
books and other materials on a given topic. The term is used to
indicate that the collection in an open access library is well
presented and guided. Library classification should be helpful in the
organization of book displays.
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10. Other Purposes
1.Compilation of bibliographies catalogues and union
catalogues
2. Classification of information.
3. Classification of reference queries.
4. Classification of suggestions received from the users.
5.Filing of non book materials such as photographs, films,
etc.
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11. Library Classification is a process of translating the specific subject of a
book into an artificial language of ordinal numbers, which in
classificatory language are helpful in arriving at a logical arrangement.
The essential components of a scheme of library classification are:
1. Notation – It is a set of symbols which stands for a class or a subject e.g.
philosophy and literature and its sub-division example ethics, English
literature representing a scheme of classification. For the purpose of
arranging books, use of names of the subjects, broad or specific in natural
language would neither be practicable nor convenient so these are
translated into artificial language of ordinal numbers.
Components of Library Classification
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12. TWO TYPES OF NOTATION:
PURE NOTATION- Only one species of symbols are used in in this
notation, either numerals such as 1 to 9 or from letters A to Z.
MIXED NOTATION- In this notation, more than one set of
symbols are used.
NOTE: Pure notation is easy to understand but mixed
notation is easier to remember and increases the capacity of
the scheme of library classification.
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13. 2. Form Division – Knowledge may be presented in one form of the
other, the form could be text book, manual, history, dictionary and
encyclopedia. These forms or styles of presenting knowledge of a
subject could be commonly applied to any subject.
Book classification takes care of representing form in the Call
Number (A number by which a book is called for particularly a closed
access library). The numbers representing the forms of books are
called form divisions. They are also known as common sub-divisions
or common-isolates.
Components of Library Classification
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14. 3.Generalia Class – There are certain books such as encyclopedias,
bibliographies and collected writings of an author which cannot be
classified under any specific subject since they cover all subjects
under the sun and hence are classified under the Generalia Class.
4.Index – Index is an essential component of a scheme of Library
Classification which is provided at the end of the scheme. It is of
immense value to the members in their handling of a classified part of
the catalogue.
Components of Library Classification
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15. 5. Call Number – In classifying, each book is provided with a
distinguished number specified to it which can be used for calling the
book from the stats and replacing it on its return to its right place. It is
known as a Call Number.
This Call Number fixes the position of a book or any document in a
sequence and helps to locate it through its entry in the catalogue.
Each document has its own individual call number which comprises of
class numbers which represents the thought content of the book and
the book number which represents one or more of the following:
Author No., Year of Publication, Accession No. or any other such
appropriate feature.
Components of Library Classification
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16. CALL NUMBER
A unique code printed on a label affixed to the outside of
an item in a library collection, usually to the lower spine of
a book or videocassette (see these examples), also printed
or handwritten on a label inside the item.
Assigned by the cataloger, the call number is also
displayed in the bibliographic record that represents the
item in the library catalog, to identify the specific copy of
the work and give its relative location on the shelf.
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17. In most collections, a call number is composed of a classification
number followed by additional notation to make the call number
unique. This gives a classified arrangement to the library shelves
that facilitates browsing.
Generally, the class number is followed by an author mark to
distinguish the work from others of the same class, followed by a
work mark to distinguish the title from other works of the same
class by the same author, and sometimes other information such
as publication date, volume number, copy number, and location
symbol.
Call Number
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19. • According to the Dictionary of Library and Information Science, 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 catalog 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.
• Class Mark – an artificial notation comprising alphanumeric characters and
punctuation marks to every item based on its subject content so that the library
staff can preserve all the related items together on the library’s shelves.
• Classification schemes aid a classifier to represent the subject content of every
document by appropriate notations.
Library Classification Schemes
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20. A library classification scheme has a number of objectives:
1.To provide a shelf address – to assign a specific location for every
document on the library’s shelves.
2. To collate items – placing documents on the same or similar subjects
together on the library’s shelves to facilitate users to find items on the same
subject in one place within the library.
3.To link items – to enable users looking for items through a library
catalogue can use call numbers as references to locate items on the
shelves; classification is used as a link between the catalogue record of an
item and the item itself on the shelf.
4.To enable browsing facilities – using the structure of a bibliographic
classification to browse a collection on the library’s shelves or in an
electronic or in an electronic collection
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21. 1. Schedules – The term Schedule is used to describe the printed list of
all the main classes, divisions and sub-divisions of the classification
scheme. They provide a logical arrangement of all the subjects
encompassed by the classification scheme.
This arrangement usually being hierarchical shows the relationship of
specific subjects to their parent subject. The relevant classification
symbol is shown against each subject.
Features of Classification Scheme
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22. 2. Index – The Index to the classification scheme is an alphabetical list of all
the subjects encompassed by the scheme, with the relevant class mark shown
against each subject.
There are two types of index:
•A Relative Index – includes broad topics in its alphabetic arrangement, but
indented below the broad subject heading is a list of all the aspects of the
subject.
For e.g. Dewey Decimal Classification Scheme has an excellent relative index.
•A Specific Index – lists specific subjects in a précis alphabetical sequence. It
does not indent lists of related topics under the broad subject headings.
For example, Brown’s Subject Classification Scheme has a specific index.
Features of Classification Scheme
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23. 3. Notation – it is the system of symbols used to represent the terms encompassed
by the classification scheme.
• The notation can be pure –using one type of symbol only – or mixed –using more
than one kind of symbol.
• A pure notation would normally involve only letters of the alphabet or only
numerals.
• A mixed notation would normally utilize both letters and numerals.
• Some notations also involve the use of grammatical signs or mathematical
symbols. The notation usually appears on the spines of library books to facilitate
shelving and to ensure that each book is in its correct place.
• The notation is also shown on catalogue entries to help the staff and public to
remove books quickly
Features of Classification Scheme
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24. 4.Tables – The tables of a classification scheme are additional to
the schedules and provide lists of symbols which can be added to
class marks to them more specific and precise.
5.Form Class – A form class makes provision for those books
where form is of greater importance than subject. Most books of this
kind are literary works – fiction, poetry, plays etc.
Features of Classification Scheme
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25. 6. Generalities Class – This class caters primarily for books of
General knowledge which could not be allocated to any particular
subject class due to their pervasive subject coverage.
In some respects, a generalities class is also a form class since
general bibliographies, general encyclopedias and general
periodicals would be encompassed in it.
Features of Classification Scheme
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26. 1. Enumerative Classification Schemes- It is a scheme where all
the possible classes are enumerated according to certain
characteristics.
- There is a top down approach whereby a series of subordinate
classes are produced and where both simple and complex subjects
are listed.
Example: Dewey Decimal Classification Scheme (DDC)
Types of Classification Schemes
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27. • The advantage of this scheme is that the structure of the scheme is
shown by the notation as far as practicable.
• Users can easily find the coordinate and subordinate classes and
can make a map of the subject.
Advantages of Enumerative Classification
Schemes
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28. • The disadvantage is that it is difficult to accommodate new
subjects and frequent revisions may be required.
• An enumerative classification scheme, in some cases, displays
hierarchical structures of notation.
• The basic tenet of this scheme is that all the possible subjects and
topics are listed along with a predefined class number, and
therefore the classifier does not have to create any class number
such as Dewey Decimal Classification.
Disadvantages of Enumerative Classification
Schemes
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29. 2. Analytico-Synthetic Classification Scheme – it resolves some of
the problems of enumerative classification schemes.
The concept behind this scheme is that the subject of a given document
will be divided into its constituent elements and then the classification
scheme will be used to find notations for each element, which will then
be combined according to the prescribed rules to prepare the final class
number.
Types of Classification Schemes
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30. • This scheme overcomes the two major problems of enumerative
classification schemes as, by providing various tables, specific
notational symbols and rules, they avoid the necessity for a long list of
classes, and thus produce a smaller classification scheme in size; they
also provide flexibility to users as specific numbers can be built and
the classifier is not restricted by the availability of a specific subject.
• Nevertheless, it makes classifiers job complex since they have to
construct the class numbers as opposed to just selecting one from a
list like Universal Decimal Classification.
Analytico-Synthetic Classification Scheme
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31. 3. Faceted Classification Scheme - This scheme is on the other
extreme of the scale since instead of listing of all the classes and the
corresponding numbers, it lists the various facets of every subject or
main class and provides a set of rules for constructing class numbers
through facet analysis.
The concept of facet analysis was proposed by Dr. S.R. Ranganathan
and was used in his faceted classification scheme called Colon
Classification.
Types of Classification Schemes
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32. • The basic idea was that any component or facet of a subject can fit
into five fundamental categories: Personality, Matter, Energy,
Space and Time which became the major focus of classification
research from 1930 onwards resulting into the Colon Classification.
Faceted Classification Scheme
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33. • Dewey Decimal Classification (DDC) is the most popular of all
the modern library classification schemes. It was devised by
Melville Dewey in 1876. It provides a systematic arrangement of all
the materials mechanized by notation of great simplicity and
apparent flexibility. With the emergence of DDC, the principle of
relative location of books on shelf according to the subject became
perfectly feasible and it replaced the then existing practice of a
fixed location, when a certain number of shelves were allotted to
each subject and each book was identified by the shelf number
and its position on the shelf.
Dewey Decimal Classification (DDC)
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35. • Decimal Classification is an almost enumerative scheme of
classification. Since 1876 to 2011 (23rd edition) this scheme did
not look back, and its popularity has grown day by day throughout
the world.
• This statement can be justified by the fact that DC has been
translated into many languages, such as Chinese, Spanish,
Danish, Turkish, Japanese, Hindi, Portuguese, Sinhalese and
several other languages across the globe.
Features of the Dewey Decimal Classification
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36. Dewey introduced the notion of using notation for the subjects in his
scheme and applying the notation to the book and not to the shelves.
But certain features forming the basis of its present form can be still
recognized as follows:
1. Universal Scheme – A distinctive feature of the DC is that its
classes reflect all the areas of specialized knowledge developed in
modern society. These specialized areas are loosely put together in
the main classes in the scheme, albeit in this manner the principle of
collation of bringing of related subjects in close proximity is sometimes
violated.
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37. 2. Relative Location – In his scheme, Melvil Dewey introduced the
brainwave of ‘relative location’ as opposed to ‘fixed location.’
• For this purpose, he utilized the decimal notation consisting of Arabic
numerals for the subjects and assigning that notation to the books on
the basis of thought content and not on the basis of the shelves.
• In this method, a new book on a given subject may be put in between
the existing sequence at the required position, directed by the notation
assigned to that book and there is no necessity to put the book at the
end of the sequence as had been the practice in “fixed location.”
Features of the Dewey Decimal Classification
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38. 3. Decimal Notation – Melvil Dewey used decimal fraction notation
for the arrangement of knowledge on the shelves.
• Indo-Arabic numerals (0 to 9) are used decimally for the sub-
divisions of knowledge.
• In this process, the universe of subjects is divided into ten main
classes, each of which is again divided into ten divisions.
• Again each division is further divided into ten sections.
• At each stage of division, a given number is sub-divided decimally.
All the class numbers in DC are decimal fractions.
Features of the Dewey Decimal Classification
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39. 4. Minute Division – The first edition of DC consisted of only 42
pages and at that time, it was criticized for its being too broad in its
sub-division.
• The number of pages had since been increasing as shown in Table
1.
• This growth suggests the enormous number of sub-divisions which
are possible and useful for minute classification.
• Dewey emphasized the need of minute division as “the advantage
of close classing is unquestioned if the user knows just what it is.”
Features of the Dewey Decimal Classification
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40. 5. Mnemonics – Another important feature of DDC is mnemonics,
which means ‘aid to memory.’
• In DDC, mnemonics are available for subject synthesis. The use of
consistent order in the subject division of different classes produces
mnemonics.
• There are various tables, such as, Area Table, Language Table,
Standard Division Table, etc. which are used to achieve subject
synthesis.
• The user may also find Scheduled Mnemonics, Systematic
Mnemonics and Alphabetical Mnemonics at a few places in DC.
Features of the Dewey Decimal Classification
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41. 6. Integrity of Numbers – One of the most important features of DC
is the integrity of numbers.
• To incorporate new developments and to keep pace with the
growth of knowledge, a scheme of classification should be revised
continually, without changing the basic structure, so that the
professionals may accept the revised edition without hesitation.
Features of the Dewey Decimal Classification
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42. • Auxiliary Tables – Auxiliary tables provide an important basis for
preparing numbers and lead to uniform meanings of numbers when
used in various contexts.
• A document, which is a source of knowledge, always has some
physical form. Melvil Dewey in the second edition of the scheme
published in 1885 introduced the concept of “Form Divisions” to be
used for the sub-divisions of a subject based on the characteristics of
documents, either in accordance with the point of view of the author,
i.e. Bibliographical, Philosophical, Theoretical, Historical or in
accordance with the form of thought content in documents, i.e. Digest,
Manual, Monograph, Dictionary, Periodical or Manual.
Features of the Dewey Decimal Classification
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43. 1. Schedule- The names assigned to the classes and subdivisions
of a classification system, listed in the order of their symbolic
notation. In a hierarchical classification system, the arrangement of
the schedule(s) indicates logical subordination.
• For example, in Dewey Decimal Classification the schedules
consist of the class numbers 000-999, the associated headings,
and notes concerning use, with logical hierarchy indicated by
indention and length of notation. See also: auxiliary schedule, main
schedule, relative index, and schedule reduction.
Structure of Dewey Decimal Classification
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44. 2. Summary- In Dewey Decimal Classification (DDC), a list of the
main subdivisions of a class, providing an overview of its structure,
printed in the schedules immediately following the entry for the
class.
• Summaries for the entire Classification (main classes, divisions, and
sections) are given at the beginning of the schedules
• Summaries provide an overview of the intellectual and notational
structure of classes. Three types of summaries appear in the
schedules and tables of DDC. The summaries of the schedules as a
whole are found at the front of the schedules (Volume 2-3)..
Structure of Dewey Decimal Classification
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