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All you need to know about: classification

A presentation about classification systems for Library students.
by

Siru Niittyniemi

on 28 March 2014

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Transcript of All you need to know about: classification

Classification for idiots
Functionality
Colon classification
developed by S.R.Ranganathan
first EVER faceted
first edition: 1933
used especially in India
All you need to know about classification
Siru & Tiina
agreement of a way to group together similar entities
born when libraries opened for public
Sources:
Anu Alaterä, Kai Halttunen & Eero Sormunen / Internetix 2001-2005: http://oppimateriaalit.internetix.fi/fi/avoimet/0viestinta/informaatiotutkimus/tiedon_organisoinnin/luku6/01_index

Birger Hjørland 2010 : http://www.iva.dk/bh/lifeboat_ko/concepts/classification.htm

OCLC 2014 : http://www.oclc.org/dewey.en.html

ISKO Italia 2014 : http://www.iskoi.org/doc/colon.htm

UDC Consortium 2014 : http://www.udcc.org/index.php/site/page?view=factsheet


Universal schemes
are schemes that are used
around the world
in different libraries.

D
ewey
D
ecimal
C
lassification (which has it’s problems, more on that later)
U
niversal
D
ecimal
C
lassification
L
ibrary of
C
ongress
C
lassification (used in academic libraries)

Specific schemes
are schemes that are used in libraries that are
focused on a certain subject
N
ational
L
ibrary of
M
edicine Classification: based on LCC, but more focused in the field of medicine.

National schemes
are schemes that are
used on a national level
.
Y
leisten
k
irjastojen
l
uokitusjärjestelmä: based on UDC, but not faceted. Used in public libraries of Finland.

Universal Decimal Classification
developed by Paul Otlet and Henri La Fontaine
first edition 1905
based on DDC
faceted, but organized hierarchically
most widely used organization system in libraries
can describe almost ANYTHING
under continuous review
India: making things complicated since 1933! Because why not?
Dewey Decimal System
invented in 1876 by Melvil Dewey
hierarchical, originally enumerative
limited in certain subjects
strong classification bias
revised 23 times, most recently 2011
maintained by OCLC
95% use
DDC
5% use
something
else :(
The American public libraries
Enumerative schemes
were the earliest way to classify books
books are listed with the main subject or the theme of the book
subjects are given a numerical value based on the order they were listed
subjects are put in alphabetical order
Did you know? DDC started as an enumerative scheme!
+ not too complicated

– not complex enough

All you need to know about: Cats! -> Subject: Cats
Why is the rum gone? - Subject: Rum
Classification and Indexing: -Subject: Libraries
Cats
Libraries
Rum
Cats 1
Libraries 2
Rum 3
Hierarchical schemes
: let's make it more complex!
Main categories!
Subcategories!
Sub subcategories?
Sub sub sub sub sub
FINALLY!
Classification and Indexing, 02.321
02. LIBRARY. LIBRARY SCIENCE. INFORMATICS
02.3 Library management, library techniques
02.32 Library media, care of collections
02.321 Content description in libraries
+ more detailed then enumerative schemes

– Wait. I have a book about cats in a library. Where the f*ck do I put that?

When hierarchical schemes just don't do it for you anymore...
FACETS

allows one book to have many categories

+ as specific as possible
– waaaay too complex

"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
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