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General Search enables easy use of
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Uncontrolled Indexing - Example
Uncontrolled Indexing are keywords from the
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Uncontrolled Indexing - Benefits
Particularly useful:
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Numerical Search Problems
• Variations in quantities
velocity, speed, speed
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C, Celsius, °C, K, Kelvin, F. ...
• Variations in values
27,500 kW 27.5 MW 2.75 E07 W
Numerical Indexing Format
Search topic: temperature of 100 ºC
From Numerical Thesaurus
quantity
temperature
value
3.73E+02
unit
K
Exponential (Floating) notation
(Explained in the Thesaurus)
Numerical Indexing Examples
• Frequency of 50 Hertz
fr=(5.0e01)
• Temperature of 10 degrees C
te=(2.83e02)
• Temperature range of 0 to 100 degrees C
te=(2.73e02:3.73e02)
Exponential Notation
• Notation Especially Helpful for Very Large and
Very Small Numbers:
1,952,000,000,000
0.000000000753
=
=
1.952E+12
7.53E-10
Numerical Indexing Display
Abstract:
We propose to fabricate GaAlAs/GaAs multilayer microtips for
scanning near-field optical microscopy………………………
…………………………………………....……………………
…………………………………………………
The etching was performed at a temperature of 10 degrees C……………
………….…………………………………………………………………
Numerical Indexing:
temperature 2.83E+02 K
Searching temperature of 10 degrees C
te=(2.83e02)
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Chemicals search problems
Problems:
• CO vs Co ? (also co-ordinated……)
• GaP vs gap
• Semiconductor materials - many variations of the
same compound, e.g. gallium aluminium
arsenides
– GaAlAs
– AlGaAs
– AlxGa1-xAs
– (GaAs)0.5(AlAs)0.5
Chemical indexing roles
Basic roles
• el element
• bin binary system
• ss 3 or more
components
Additional roles
• dop dopant
• int interface
• sur surface/substrate
• ads adsorbate
Chemical Indexing Examples
• Co/el
• CO/bin C/bin O/bin
• V2O3/bin V2/bin O3/bin V/bin O/bin
• V2O5/bin V2/bin O5/bin V/bin O/bin
• H2SO4/ss H2/ss SO4/ss H/ss S/ss O4/ss O/ss
Chemical Indexing Display
Title:
Wet-etching fabrication of multilayer GaAlAs/GaAs microtips for
scanning near-field optical microscopy
Chemical Indexing:
GaAlAs-GaAs/int; GaAlAs/int; GaAs/int; Al/int; Al/int; As/int;
Ga/int; GaAlAs/ss; GaAs/ss; Al/ss; Al/ss; As/ss; Ga/ss; GaAs/bin;
As/bin; Ga/bin
GaAlAs
cr=(ga/ss same al/ss same as/ss)
Bibliographic Indexes
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Author
Address
Country of Publication
Publication Language
Document Source
Document Type
Journal Name
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Meeting Information
AU=
AD=
CP=
LA=
SO=
DT=
JN=
IC=
MI=
Authors
• All authors are included
• Format is standardised
Frey, D.R.
Dornberger J.F. Jr
Privorotskii I.V.
Muller G.
Van der Hart W. F. M.
Lee Fo Long
Chon Yu Taik
Example:
Browsing Author Index
Author Search & Display
Search Topic: R.A. Smith (author)
Address (Institution/Company)
• Affiliation is given for the first named author only
• Abbreviations are used (e.g., Co., Inc. Corp.,
Univ.)
• A list if abbreviations is available in General
Search
• Includes city, state, and country of institution
(country name is standardized)
Address (Institution/Company)
This field is not standardised:
• Nat. Phys. Lab., Teddington, UK
• Nat. Phys. Labs., Teddington, UK
• National Phys. Lab., Teddington, UK
• Div. of Electr. Sci., NPL, Teddington, UK
Search Tip:
A list of common abbreviations is available in ‘General Search’
Address
Search Topic: Philips based in Brussels
Browsing Journals List
Journals - Full Record
Conference Search
Search Topic: Conference on ‘neural nets’
• Set #1 searches neural nets in subject fields
• Set #2 limits search to ‘Conference Proceedings’ & indicates
number of meetings where ‘neural nets’ were one of the topics
• Set #3 indicates meetings held on the topic of ‘neural nets’
Conference Search - Results
Results: Meetings held on the topic of ‘neural nets’
Conference Proceedings
• Each Conference Meeting is assigned one
‘Conference Proceedings’ paper
• Document Type ‘Conference Proceedings
is set via drop-down menu n General Search
or DT= (in Advanced Search)
• Abstract has always the same format
‘The following topics are dealt with:……’
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