This document discusses search engine optimization and contains information about: 1. Using Boolean logic operators like AND, OR and NOT to refine search queries. 2. Examples of how wildcard characters can be used to search for alternative word endings. 3. The different types of search engines that exist like keyword search engines, meta search engines, and subject directories.

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Website : www.krusuu.net
E-mail : akaradej.po@gmail.com
Telephone : 089-9426692

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webblog

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– (Boolean logic)
– (Truncation)
– (Nesting)
Search engines

11. } (Logic operators)
AND, OR, NOT
NOT
OR
AND

12. } : AND
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} :
AND

13. } : OR
} :
} :
OR

14. } : NOT
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} :
NOT

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(Wildcard) *#?!$
} child*
child children childhood childish

16. } wom#n

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(television or mass media and children)

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Keyword search engine
– Spider Robot
Database

19. Meta Search engine
– Database
Search engie

20. Subject directory
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2. (Bookmark)
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