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Chapter 4. The Multiple Search Engine In... > Potential Extension: Adding User Con...

4.3. Potential Extension: Adding User Control

As mentioned earlier, this application leaves users at the "mercy" of the search engine defaults. That is, users have little or no control over customizing their searches. The only thing the user has to enter is the query text. You can code it so that users can also effect such features as the number of results to return per page, the amount of information displayed with each result, or perhaps whether to impose Boolean search rules with terms such as AND, OR, LIKE, and NOT LIKE. In this section, I'll use the HotBot search engine as an example.

Perhaps the easiest way to extend functionality is to increase the number of results per page. You'll need the name-value pair associated with the results per page for each search engine. Table 4.2 lists a few names and possible values for several search engines.


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