GENERAL SEARCH TIPS for citation databases Ruchareka Asavisanu Stang Mongkolsuk Library and...
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Transcript of GENERAL SEARCH TIPS for citation databases Ruchareka Asavisanu Stang Mongkolsuk Library and...
![Page 1: GENERAL SEARCH TIPS for citation databases Ruchareka Asavisanu Stang Mongkolsuk Library and Information Division Faculty of Science, Mahidol University.](https://reader035.fdocuments.in/reader035/viewer/2022072013/56649e4b5503460f94b407fa/html5/thumbnails/1.jpg)
GENERAL SEARCH TIPS for citation databases
Ruchareka AsavisanuStang Mongkolsuk Library and Information Division
Faculty of Science, Mahidol University
http://stang.sc.mahidol.ac.th
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Refining your search with Boolean Operators
NOTES :NOTES : Different databases have different details. Check their “Help”“Help” files to find out what to use.
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Boolean OperatorsBoolean Operators
And - combines search terms so that each search result contains all of the terms. For example : processor AND intel
Or - combines search terms so that each search result contains at least one of the terms. For example : acetaminophen OR tylenol
Not - excludes terms so that each search result does not contain any of the terms that follow it. For example : beam NOT laser
A B
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Boolean / Logical Boolean / Logical OperatorsOperators
Named for George BooleGeorge Boole, an English mathematician (1815-1864), who developed Boolean algebraBoolean algebra
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Implied Boolean Implied Boolean OperatorsOperators
In some search engines + and – signs can be used as alternatives to the Boolean operators AND and NOT. Automatic "and" Queries in Google
Vacation hawaii (= vacation AND hawaii) beam –laser (= beam NOT laser)
Automatic Exclusion of “ CommonWords”
Star Wars Episode +I or "Star Wars Episode I"
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PhrasesPhrases
Enclosing terms in quotation marks forces a search engine to read them together as a phrase. “dna fingerprinting” “mars pathfinder” “fiber optic network”
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NestingNesting
Enclose words or phrases in parentheses to specify the order of operation, as with mathematical equations. (“heart attack” OR “myocardial
infarction”) AND “high blood pressure”
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Truncation (*) Symbol
Symbol used at the end of a word to retrieve variant endings of that word. For example : teen* retrieves teen OR teens OR
teenager OR teenagers However: cat* retrieves cat, cats, but also
cataclysm, catacomb, catalepsy, catalog, etc.
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Wildcard (?) symbol
Some databases allow for wildcards to be embedded within a word to replace a single character. For example:
comp???tion retrieves composition, competition, computation, etc.
wom?n retrieves woman, women
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Truncation (*) and Wildcard (?, $) in Web of Science database
* represents any group of characters, including no characters
? represents any single character $ represents one character or no
characters
en?oblast* finds endoblast , endoblasts ,entoblast , entoblasts
Hof$man$ W* finds Hofman , Hoffman ,Hoffmann , Hoffmanova
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Truncation (!) and Wildcard (*) symbols
in ScienceDirect
Truncation : Use ! For example : behav! would find "behave," "behaviour,"
"behavioural“ Wildcard : Use *
For example: wom*n would find "woman " and "women“ transplant** would find "transplant,“
"transplanted," and "transplanter"
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Proximity Operators
Near (N) - finds words near to one another i n any order
Cattle N2 feeding finds cattle feeding, feeding cattle, feeding dairy cattle
Within (W) - finds words near to one anotherin the order in which they were typed
feeding W2 cattle finds feeding cattle, feedin g dairy cattle, feeding beef cattle, etc., but
not cattle feeding
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Proximity Operators in ScienceDirect
Author Search smith W/1 r = R Smith and Smith, R raymond W/3 smith = Raymond Smith, Raymond J. Smith and Raymond J. A. Smith smith W/3 r! = R. Smith, Ray Smith, Raymond Smith,
R Smith and RJ Smith
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Proximity (Adjacent) Operators
NEAR (n) WITHIN (w) ADJACENT (adj) WITH SAME (use in Web of Science database)
All terms separated by the operator must appear in the s ame subfield. (same sentence, same address)
e.g. fac sci SAME mahidol univ
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Field SearchingField Searching(using Field Tags)(using Field Tags)
Author / AU Author [AU] Title / TI Title [TI] Abstract / AB Abstract [AB] AD = <address> SO= <journal name>
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Keyword vs Subject Search
Two basic ways of searching for information in a database: keyword search = what you say;
words that you use to describe your topic
subject search = what they say;words used by professional indexers where all like topics are “indexed” under the same subject phraseEx. Medical subject headings (MeSH terms) in PudMed MEDLINE
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Keyword vs Subject Heading
Keyword Any word that appears in any field of an
online record Search single words, phrases, and
combinations of words or phrases Powerful technique
Subject Heading Assigned using a controlled thesaurus Official list of standard acceptable
headings Library of Congress (LC) National Library of Medicine (NLM)
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