BAU - Beirut Arab University

How to conduct a Boolean Search

How  to conduct Basic Search Strategies?

Through boolean operators (AND,OR,NOT)

Boolean logic is considered to be a well known search strategy used in search engines and in databases; it helps the user to narrow and broaden his search to get accurate information.

AND: is used to narrow the search and retrieve records containing all of the terms (both words) mentioned in the search.

Example: Library services AND Marketing.

OR: It broadens the search and retrieves results containing any (or both )of the words mentioned in the search

Example: Management OR Administration.

NOT: Narrow the search and retrieve records that do not contain the term following it.

Example: Medicine NOT Herbal medicine.


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