LSU Libraries User Instruction
Searching Techniques and Strategies Tutorial

Boolean Searching - Final Words

While many online library catalogs, databases, and internet search engines support boolean searching, not all of them actually use the terms AND, OR, and NOT. Some may use the plus sign(+), slash(/), and minus sign(-), respectively. You can usually check the help files to find out if this is the case.

Also, some may support other terms like NEAR, WITH, or ADJ. These are called proximity indicators, because what they do is tell the database to look for terms based on how close together or far apart they are. These terms are not as universal as the three I've shown you, so you'll need to check the database help files to see how they work.

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