Searching 102

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# How to use search on the internet - PowerPoint PPT Presentation

Searching 102. British mathematician largely credited with inventing modern algebra. George Boole, 1815-1865. Boolean Logic. Creating a SET { } that fills certain criteria. Choices of Operators: AND, OR, NOT. “AND’. Both words MUST be present to be valid for the set.

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## PowerPoint Slideshow about 'How to use search on the internet' - richard_edik

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### Searching 102

Boolean Logic
• Creating a SET { } that fills certain criteria.
• Choices of Operators: AND, OR, NOT.
“AND’
• Both words MUST be present to be valid for the set.
• Any order, any distance apart will do.
“OR”
• Either word will do.
• Useful for
• Synonyms
• Plurals
“NOT”
• Word must NEVER appear in the record.
• CAUTION! Think before you use this!!!
Parentheses
• Normal order of operation:
• NOTs
• ANDs
• ORs
• Parentheses forces that part of the operation to be done first
• Parentheses keep various parts of your search statement together so they can be handled properly.
Search Strategy:

bunn? OR rabbit? OR hare OR hares

New Strategy:

(bunn? OR rabbit? OR hare OR hares)

AND

(pet OR pets OR “companion animal?”)

New Search Strategy:
• ((bunn? OR rabbit? OR hare OR hares) AND (pet OR pets? OR “companion animal?”)) NOT (laborator? OR hunt?)
“Stop Words”
• Articles
• A, An, The
• Prepositions
• Of, In, By, For, From, To ….
Next Step: Fields
• Library catalog and other databases put certain information in Fields.
• Author:
• Title:
• Date: