Advanced Internet Searching Tips – pt. 6/6

Advanced searching allows you to limit results and helps you break through ranking algorithms to find those useful documents that are multiple levels deep.

Today’s tip: Boolean Searching

Boolean searching (including nested Boolean searching) is available in Yahoo!, Exalead, Gigablast and MSN.

Boolean searching is when you use the words AND, OR, or NOT to join your search terms.


  • in Yahoo!, Exalead and MSN, use AND, OR, NOT
  • in Gigablast, use AND, OR, AND NOT
  • Make sure to capitalize the operators:
    (adolescent OR juvenile) AND (“capital punishment” OR “death penalty”) NOT children

The tips in this weekly update are from a January 2006 presentation for SLA, “Beyond the Basics of Internet Search Engines: Choosing and Using the Best Features of the Major Engines”, Rita Vine, MLS,


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