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| Keywords... |
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use words that may
occur somewhere in the text |
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do not use
"controlled vocabulary," such as a thesaurus, to create the
words which can be searched |
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will often result
in results which are not exactly what you had in mind |
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Use keyword
search when your term may be very new or jargon (it takes awhile for
indexers to begin using new words) |
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When you
cannot remember the exact title of an item, do a keyword search on the
words you do know. |
| Subjects... |
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use
headings which have been assigned by another person (an "indexer")
to describe the content. |
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use
"controlled vocabulary" to create the acceptable words |
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Using
the appropriate subject heading will retrieve all items in the database
indexed under that topic. |
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Results
are usually more specific to your topic; less "garbage"
is retrieved however, unless you find the "correct" subject
terms you may not find the information you are interested in locating
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