 So
far you've not eliminated alot of "hits" have you? Here's
a strategy that should reduce the number of hits.
Boolean
and Mathematical Signs
rock and not roll
rock - roll
rock-roll |
Keyword
Search: and not/-
The words "and not" and the minus
- sign will exclude words to appear in the results. Try adding
or deleting spaces between the minus sign and the concepts
to discover variations in the number of results that are returned.
|
Now use the "Practice Exercie" below to try out this
concept. You can either use key concepts that you brainstormed earlier
in this course or use the "rock" suggestions seen in the
above left-hand column.
After
completing the practice exercise, go to the next
page.
|
