Colon classification
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'''Colon classification''' ('''CC''') is a system of [[library classification]] developed by [[S. R. Ranganathan]]. It was the first ever [[Faceted classification|faceted]] (or analytico-synthetic) [[Taxonomic classification|classification]]. The first edition was published in 1933. Since than has six more editions been published. It is especially used in [[library|libraries]] in [[India]].
Its name "Colon classification" comes from the use of [[Colon (punctuation)|colons]] to separate facets in class numbers. However, many other classification schemes, some of which are completely unrelated, also use colons and other [[punctuation]] in various functions. They should not be confused with Colon classification.
As an example, the subject "research in the cure of tuberculosis of lungs by x-ray conducted in India in 1950" results in a call number
:L,45;421:6;253:f.44'N5
The components of this call number represent
:Medicine,Lungs;Tuberculosis:Treatment;X-ray:Research.India'1950
== Organization ==
The Colon Classification uses 42 main classes that are combined with other letters, numbers and marks in a manner resembling the [[Library of Congress Classification]] to sort a publication.
=== Facets ===
CC uses five primary categories, or facets to further specify the sorting of a publication collectively called '[[PMEST]]'.
:<nowiki>, [[personality]]</nowiki>
:<nowiki>; [[matter]] or property</nowiki>
:<nowiki>: [[energy]]</nowiki>
:<nowiki>. [[space]]</nowiki>
:<nowiki>' [[time]]</nowiki>
=== Classes ===
The following are the main classes of CC, with some subclasses, the main method used to sort the subclass using the PMEST scheme and examples showing application of PMEST.
:a [[Generalia]]
:1 Universe of Knowledge
:2 [[Library Science]]
:3 [[Book science]]
:4 [[Journalism]]
:B [[Mathematics]]
::B1 [[Arithmetic]]
:::B13 [[Theory of numbers]]
::B2 [[Algebra]]
:::B23 [[Algebraic equations]]
:::B25 Higher Algebra
::B3 [[Mathematical analysis|Analysis]]
:::B33 [[Differential Equations]] ''[equation] , [degree] , [order] : [problem]
::::B331,1,2:1 Numerical solutions ('':1'') of ordered (33''1'') linear ('',1'') second order ('',2'') differential equations
:::B37 Real Variables
:::B38 Complex Variables
::B4 Other Methods
::B6 [[Geometry]]
::B7 [[Mechanics]]
::B8 Physico-Mathematics
::B9 Astronomical Mathematics
:C [[Physics]]
::C1 Fundamentals of [[Physics]]
::C2 Properties of Matter
::C3 [[Sound]]
::C4 [[Heat]]
::C5 [[Light]] and [[Radiation]]
::C6 [[Electricity]]
::C7 [[Magnetism]]
::C8 Cosmic Hypothesis
:D [[Engineering]]
:E [[Chemistry]]
:: ''facets''
:: :1 General Chemistry
:: :2 Physical Chemistry
:: :3 Analytical Chemistry
::: :33 Qualitative Chemistry
::: :34 Quantitative Chemistry
::: :35 Volumetric Chemistry
:: :4 Synthetic Chemistry
:: :5 Extraction Chemistry
:: E1 Inorganic Chemistry
:: E10 Group 0
:: E11 Group 1
:: E110 [[Hydrogen]]
:: E1109 [[Lithium]]
:: E111 [[Sodium]]
:: E2 Hydroxl (Base)
:: E3 Acid
:: E4 Salt
:: E5 Organic Substance
:F [[Technology]]
:G [[Biology]]
:H [[Geology]]
::H1 [[Mineralogy]]
::H2 [[Petrology]]
::H3 Structural Geology
::H4 Dynamic Geology
::H5 [[Stratigraphy]]
::H6 [[Paleontology]]
::H7 [[Economic Geology]]
::H8 Cosmic Hypothesis
::HX [[Mining]]
:I [[Botany]]
:J [[Agriculture]]
:: ''facets''
:: :1 Soil
:: :3 Propagation
:: :4 Disease
:: :5 Development
:: :6 Breeding
:: :7 Harvest
:: :91 Nomenclature
:: :92 [[Morphology (biology)|Morphology]]
:: :93 [[Physiology]]
:: :95 [[Ecology]]
:: ''material facets''
:: ,2 Bulb
:: ,3 [[Root]]
:: ,4 Stem
:: ,5 Leaf
:: ,6 Flower
:: ,7 Fruit
:: ,8 Seed
:: ,97 Whole Plant
::J1 [[Horticulture]]
::J2 Feed
::J3 Food
::J4 Stimulant
::J5 Oil
::J6 Drug
::J7 Fabric
::J8 Dye
:K [[Zoology]] ''(same facet schedule as I Botany)''
::KZ Animal Husbandry ''(same facet schedule as I Botany)''
:L [[Medicine]] ''[organ]:[problem],[cause]:[handling]''
::LZ3 [[Pharmacology]] ''[substance].[action],[organ]''
::LZ5 [[Pharmacopoeia]]
:M [[Useful arts]]
::M7 Textiles ''[material]:[work]''
:Ð Spiritual experience and [[mysticism]] ''[religion],[entity]:[problem]''
:N [[Fine arts]]
::NA [[Architecture]] ''[style] , [utility] , [part] : [technique]''
::ND [[Sculpture]] ''[style] , [figure] ; [material] : [technique]''
::NN [[Engraving]]
::NQ [[Painting]] ''[style] , [figure] ; [material] : [technique]''
::NR [[Music]] ''[style] , [music] ; [instrument] : [technique]''
:O [[Literature]]
:P [[Linguistics]]
:Q [[Religion]]
:R [[Philosophy]]
:S [[Psychology]]
:T [[Education]]
:U [[Geography]]
:V [[History]]
:W [[Political science]]
:X [[Economics]]
:Y [[Sociology]]
:Z [[Law]]
== Example ==
The most commonly cited example of the Colon Classification is the classification for:
* "Research in the cure of the tuberculosis of lungs by x-ray conducted in India in 1950s":
* Main classification is Medicine
** (Medicine)
* Within Medicine, the Lungs are the main concern
** (Medicine,Lungs)
* The property of the Lungs is that they are afflicted with Tuberculosis
** (Medicine,Lungs;Tuberculosis)
* The Tuberculosis is being performed (:) on, that is the intent is to cure (Treatment)
** (Medicine,Lungs;Tuberculosis:Treatment)
* The matter that we are treating the Tuberculosis with are X-Rays
** (Medicine,Lungs;Tuberculosis:Treatment;X-ray)
* And this discussion of treatment is regarding the Research phase
** (Medicine,Lungs;Tuberculosis:Treatment;X-ray:Research)
* This Research is performed within a geographical space (.) namely India
** (Medicine,Lungs;Tuberculosis:Treatment;X-ray:Research.India)
* During the time (') of 1950
** (Medicine,Lungs;Tuberculosis:Treatment;X-ray:Research.India'1950)
* And translating into the codes listed for each subject and facet the classification becomes
** L,45;421:6;253:f.44'N5
== Publication Info==
Colon Clasification (6th Edition) By Dr. S.R. Ranganathan is being published by Ess Ess Publications, Delhi, India. for more info visit www.essessreference.com
== References ==
Chan, Lois Mai. Cataloging and Classification : An Introduction. 2nd ed. New York : McGraw-Hill, c1994.
==See also==
*[[Bliss bibliographic classification]]
*[[Universal Decimal Classification]]
==External links==
* [http://www.iskoi.org/doc/colon.htm More Detail about the Colon Classification at ISKO Italia]
*[http://www.geocities.com/salman_mlisc/dissertation/frame.html An annotated bibliography on Library Classification and Subject Approaches to Information] - by Salman Haider, Librarian (Cataloging), US Library of Congress, New Delhi Overseas Office
[[Category:Classification systems]]
[[Category:Knowledge representation]]
[[Category:Library cataloging and classification]]
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