Once you have selected some keywords, you can combine them with Boolean operators. Catalogues and databases respond to this type of logic.
| Examples: | ||
 |
to narrow | online AND privacy |
 |
to broaden | internet OR online |
 |
to limit | NOT email |
.
| Examples: | ||
 |
to search for a phrase | "privacy settings" ...only retrieves the two words together |
 |
for alternate spellings | e?mail ...retrieves e-mail or email |
 or. |
for different word endings | protect* ...retrieves protect, protection, protected, etc. |