Boolean
(and,
or, and not)
operators
enable you to:
Narrow (increase the
Precision of) your search.
Expand (increase the
Recall of) of your search.
General
Usage
If you are searching in
Full
Text, ProQuest will look
for the words and phrases that you are searching for in the Title,
Abstract, or Text.
If you are
not
searching in Full
Text, ProQuest will search
in the following Citation Fields: Author, Title, Abstract, Subject
Headings, Publication Title (Source), Personal Name, Company Name,
Product Name, and Geographical Name.
Booleans available
in ProQuest
and
Narrows (increases the
precision of) your search by combining two or more words or
phrases.
or
Expands (increases the
Recall of) your search by:
Looking for alternate
spellings of word. Eg: catalog or
catalogue
Looking for alternate words
with the same or similar meanings: Eg: horses
or
ponies
Look for related subjects:
Eg: physical or
mechanical
and
not
Narrows (increases the
Precision of) your search by elimitating records that contain
specified words or phrases.
Example: flight
and
not
birds
NOTE:
Remember that ProQuest uses the
"and
not" form of
negation.