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Biosis - BPDialog (Page 4)

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Biosis - BPDialog
info@mail.biosis.org · www.biosis.org
SEARCHING
s
(W) ­ retrieves records containing the search terms
in the exact order
s
(N) ­ retrieves records adjacent to each other
in any order
s
(S) ­ retrieves terms in the same sentence in a field
s
(E) ­ retrieves variations of a particular term
s
Depending on the field being searched, use either
a slash (/) or an equal sign (=)
s
Use parentheses with search operators AND, OR,
NOT to preserve the correct search logic
s
Truncate terms using the question mark (?) to find
plurals and variant spellings:
Searching Fundamentals
Search Strategy Development
1
4
5
2
3
therapeutic(s)
Example
therap? =
therapy
therapeutically
therapsid
3
Pose the Question
Formulate a simple statement summarizing the
information you're looking for.
Example
Find current therapeutic methods
being used to treat adenovirus
hemorrhagic cystitis after allogeneic
marrow transplants.
Identify the Main Subjects
Select the key terms you will need to search.
Below is an example of a subject search.
Example
therapeutic methods
adenovirus hemorrhagic cystitis
allogeneic marrow transplant
To search for bibliographic or publication type,
see the previous page.
Determine How to Search the
Main Subjects
Use the list of controlled terminology (Authority
File available on the BIOSIS Web site at
www.biosis.org/authorityfile.html) or the BIOSIS
Search Guide
which contains the Vocabulary Guide.
Use these two tools in determining your search and
consider narrowing and broadening the search.
Search using natural language, considering the
use of synonyms and British/U.S. spelling, making
liberal use of free text, truncation, and abbreviations.
Examples
1)
therap?(w)method?
in the Methods & Equipment field
2)
adenovirus(w)hemorrh?(w)cyst?
in the Title and Descriptor fields
3)
allogeneic(w)marrow(w)transplant?
in the Title and Descriptor fields
Carry Out the Search
Formulate the search and specify the logical
relationship of your search terms through
the use of Boolean and proximity operators
(e.g., and, or, etc.). For example, to combine the
search statements in step above, type in:
Example
1 and 2 and 3
Review Results and
Modify/Refine If Necessary
If your results contain irrelevancies, consider
limiting the search to a particular field or link
terms using the appropriate operator. Additional
options to increase retrieval include:
s
Select a broader term using the controlled
terminology hierarchy (Authority File)
s
Include synonyms and spelling variants
(e.g., singular/plural)

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