Transcript Rules-Examples-Recommendations: What is the impact for the user?

INIS Training Seminar
23-27 November 2009
Indexing
Rules-Examples-Recommendations
What is the impact for the user?
Christine Krieger-Levine
Content Management Group
INIS Unit, INIS&NKM Section, IAEA
November 2009
INIS Training Seminar
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Indexing
Objective and Purpose
The objective of indexing is to identify the
content of an item by representing its
concepts
The purpose of indexing is to assist in the
retrieval of this item
Indexing simplifies the search process
and facilitates the user’s finding of
relevant information
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Indexing Rules
 Completeness-index
all important
concepts
 Specificity-index on the most specific
level
 Correctness-check the usage of the
selected descriptor
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
Avoid underindexing and overindexing!
Avoid indexing on several hierarchical levels
for one and the same concept
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Completeness
 index
all important concepts of a
document by assigning 5 to 20
descriptors
A document with less than 3 descriptors
cannot enter the data base!
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
Underindexing will result in incomplete search
results!
Overindexing will result in non-relevant search
results!
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001^KR0401709
008^S37/01/J/AS
009^A
100^Park, Chan Il; Cha, Ki Won (Inha Univ., Incheon (Korea, Republic of)); Chung, Byung
Doo; Jung, Duck Chae (Inchon Univ., Inchon (Korea, Republic of))
200^Spectrophotometric determination of iron with 2-hydroxybenzaldehyde5nitropyridylhydrazone after separation with amberlite XAD-7 nonionic resin
500^p. 522-526
600^(English)
009^S
229^Journal of the Korean Chemical Society
320^ISSN 1017-2548
403^(Oct 1999)
500^v. 43(5)
610^15 refs, 5 figs, 1 tab
009^9
800^ORGANIC ION EXCHANGERS; METHANOL; RESINS; REAGENTS
009^X/EN
860^2-Hydroxybenzaldehyde-5-nitro-pyridylhydrazone (2HB-5NPH) was synthesized and its
application to the spectrophotometric determination of iron was studied. The
reagent reacts with iron in the pH range 6.0#approx#7.5 to form a yellow colored
1:2 chelate which is very stable in methanol solution. Beer's law is obeyed in the
concentration range 0.05#approx#2.0 #mu#gmL"-"1 iron and separation procedure using
a short column filled with Amberlite XAD-7 nonionic chelating resin is proposed for
the spectrophotometric determination of traces of iron. The influence of several
ions as interference was discussed. The separation of Fe(III) ion from the mixture
solution were carried out with the buffer solution (pH 5.0) and 0.25M HCl as
eluents.
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001^KR0401709
008^S37/01/J/AS
009^A
100^Park, Chan Il; Cha, Ki Won (Inha Univ., Incheon (Korea, Republic of)); Chung, Byung
Doo; Jung, Duck Chae (Inchon Univ., Inchon (Korea, Republic of))
200^Spectrophotometric determination of iron with 2-hydroxybenzaldehyde5nitropyridylhydrazone after separation with amberlite XAD-7 nonionic resin
500^p. 522-526
600^(English)
009^S
229^Journal of the Korean Chemical Society
320^ISSN 1017-2548
403^(Oct 1999)
500^v. 43(5)
610^15 refs, 5 figs, 1 tab
009^9
800^ORGANIC ION EXCHANGERS; METHANOL; RESINS; REAGENTS; HYDRAZONES;
SPECTROPHOTOMETRY; IRON IONS; LIQUID COLUMN CHROMATOGRAPHY; TRACE AMOUNTS
009^X/EN
860^2-Hydroxybenzaldehyde-5-nitro-pyridylhydrazone (2HB-5NPH) was synthesized and its
application to the spectrophotometric determination of iron was studied. The
reagent reacts with iron in the pH range 6.0#approx#7.5 to form a yellow colored
1:2 chelate which is very stable in methanol solution. Beer's law is obeyed in the
concentration range 0.05#approx#2.0 #mu#gmL"-"1 iron and separation procedure using
a short column filled with Amberlite XAD-7 nonionic chelating resin is proposed for
the spectrophotometric determination of traces of iron. The influence of several
ions as interference was discussed. The separation of Fe(III) ion from the mixture
solution were carried out with the buffer solution (pH 5.0) and 0.25M HCl as
eluents.
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Specificity

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Specificity-index on the most specific level
Assign NTs instead of BTs
Info: all BTs of an indexer assigned descriptor will be
added automatically during production (“upposting”)
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
Avoid indexing on several hierarchical levels for one and
the same concept
Avoid indexing BTs; will result in incomplete or
inaccurate search results
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Select the most specific descriptor: NT
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Index on the most specific level!
(e.g.: MIXED NITRIDE FUELS)
MIXED NITRIDE FUELS
Uranium nitride mixed with plutonium nitride or other
nitrides. Index other nitrides if important.
BT1 nuclear fuels
BT2 fuels
RT ceramics
RT plutonium nitrides
RT uranium nitrides
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Correctness
Correctness-check the usage of the
selected descriptor
 Consult the thesaurus and check the
wordblock (scope note, BTs) of the
selected descriptor to make sure that it
is the appropriate one


Incorrect descriptors result in wrong search
results!
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… northern slope …
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NORTHERN TERRITORY
BT1 australia
RT jabiluka deposit
RT koongarra deposit
RT nabarlek deposit
RT ranger deposit
RT south alligator deposit
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… deposit …
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URANIUM DEPOSITS
BT1 geologic deposits
BT1 mineral resources
NT1 blizzard deposit
NT1 erzgebirge deposit
NT1 jabiluka deposit
NT1 koongarra deposit
NT1 nabarlek deposit
NT1 ranger deposit
NT1 ranstad deposit
NT1 roxby downs
deposit
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DEPOSITS
RT antifoulants
RT coatings
RT deposition
RT fouling
etc.
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… proliferation …
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PROLIFERATION
UF non-proliferation
UF nonproliferation
UF nuclear weapons
proliferation
SF terrorism
RT denatured fuel
RT fuel cycle
RT non-proliferation policy
RT non-proliferation treaty
RT nuclear deterrence
RT nuclear materials
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CELL PROLIFERATION
UF
RT
RT
RT
RT
RT
RT
RT
proliferation (cell)
cell division
cloning
concanavalin a
growth factors
in vivo
phytohemagglutinin
replicons
possession
RT nuclear weapons
dismantlement
RT safeguards
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… nuclei …
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NUCLEI
NT1 antinuclei
NT1 cosmic nuclei
NT1 deformed nuclei
NT1 even-even nuclei
NT1 even-odd nuclei
NT1 heavy nuclei
NT1 hot nuclei
NT1 hypernuclei
NT1 intermediate mass nuclei
NT1 isobaric nuclei
NT1 isomeric nuclei
NT1 isotonic nuclei
NT1 light nuclei
NT1 magic nuclei
NT1 mirror nuclei
NT1 odd-even nuclei
NT1 odd-odd nuclei
NT1 oriented nuclei
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CELL NUCLEI
UF nuclei (cells)
BT1 cell constituents
NT1 nucleoli
RT chromatin
RT chromosomes
RT human chromosomes
RT nucleic acids
RT subcellular distribution
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… transformation …
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TRANSFORMATIONS
UF translation
(mathematics)
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NT1 baecklund
transformation
NT1 canonical
transformations
NT1 galilei transformations
NT1 integral
transformations
NT1 lorentz
transformations
NT1 melosh transformation
NT1 orthogonal
transformations
NT1 topological mapping
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CELL TRANSFORMATIONS
NT1 oncogenic
transformations
RT viral diseases
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… plasma …
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PLASMA
NT1 ambiplasma
NT1 cold plasma
NT1 collisional plasma
NT1 collisionless plasma
NT1 equilibrium plasma
NT1 fissioning plasma
NT1 high-beta plasma
NT1 homogeneous plasma
NT1 hot plasma
NT1 inhomogeneous
plasma
NT1 laser-produced plasma
etc.
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BLOOD PLASMA
UF plasma (blood)
BT1 blood
NT1 blood serum
RT biological indicators
RT blood chemistry
RT blood-plasma clearance
RT blood substitutes
RT chylomicrons
RT complement
RT proteins
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… regulations …
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REGULATIONS
SF legal incentives
BT1
NT1
NT1
NT1
NT1
NT1
NT1
NT1
NT1
NT1
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laws
building codes
contamination regulations
international regulations
licensing regulations
packaging rules
pollution regulations
pricing regulations
safeguard regulations
transport regulations
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GENE REGULATION
The complex series of
biochemical events serving to
control the expression of a
gene or gene family.
UF gene activators
NT1 enzyme induction
RT biosynthesis
RT chromosomes
RT codons
RT exons
RT gene operons
RT gene repressors
RT genes
RT genetic engineering
RT human chromosomes
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… growth …
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GROWTH
UF
UF
UF
UF
cell growth (animal)
cell growth (plant)
growth inhibition
growth stimulation
NT1 animal growth
NT1 plant growth
RT age dependence
RT augmentation
RT biological regeneration
RT life cycle
RT metabolism
etc.
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CRYSTAL GROWTH
UF
RT
RT
RT
RT
RT
RT
RT
RT
growth (crystal)
bridgman method
cast method
cleavage
crystal growth methods
crystallization
crystals
czochralski method
dendritic web growth
method
RT efg method
RT epitaxy
etc.
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Recommendation
Consult the thesaurus!
… check the descriptor’s wordblock to
decide if the descriptor is the correct
and most specific one to represent a
certain concept and if there are others
to complete indexing
 Scope Note and BTs: Correctness
 NTs: Specificity
 Related terms: Completeness
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Thank you for your attention!
Questions?
Comments?
[email protected]
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