Keyword & Subject Heading
In order to search the information effectively, it is better
to use keyword or subject heading. Some examples of subject headings are
library subject headings, science subject headings, and thesaurus of
psychological index term.
Boolean Searching
With Boolean searching, we are able to groups work together
so that we could receive a number of different types of results. It is the most
common and basic search strategy that allows you to expand a search by using
the word OR or limit the search by using the word AND.
When you used the word AND between words, you will limit the
search. For example when you type ‘Air and Water’, the results that you will
get are all the documents containing the word air and water.
On the other hand, when you used the word OR between words,
you will expand the search. For example when you type ‘Air or Water’, the
results that you will get are all the documents that contain either the word
air or the word water.
Lastly, when you used the word NOT between words, you can
exclude the word that you don’t want in your search. For example, when you type
‘Air not Water’, the result that you will get are all the document that contain
the word air but not the word water.
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