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| 10.3 Geographic Searching |
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When creating a search engine, a common task is to allow a user
to further delimit their search to a specific geographic area. For
example, let's say we have a searchable table of tourist attractions,
and we want users to not only text-search for what attractions they
want, but to delimit the search to the area they're going to visit.
We'll explore two methods of doing this: adding keyword data
directly into the text, and limiting by specific geographic region.
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