Boolean searching may differ between the different search engines and directories.  There is usually a link that says advanced or advanced search that takes you to a screen that helps with Boolean-type searching.  The following are examples of some symbols that can be included in search strategies:

• Most use either the + for and and the - signs for not.

• Using quotation marks around words means the words have to appear next to each other as a phrase.

• An asterisk (*) is used by some a truncation symbol.

• Most let you search by a specific language

• Some allow for capitalization searching

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