I dropped support for Soundex
in the project I'm working on. In going over the diagnostic output when
importing the data, I found that Soundex had over 6,000 collisions, while Metaphone had less
than a 1,000, and shorter collion chains (i.e. most Metaphone collisions
have only two possibilities). It just wasn't worth the disk space to use
Soundex at that point.
Then it was on to work doing a mock up on the web. The logic
is pretty much:
if city exists in latlong.database
fetch data from latlong.database using city
tag = metaphone(city)
if tag exists in metaphone.database
fetch cities from metaphone.database using tag
if count(cities) is 1
fetch data from latlong.database using cities
print "select one from the list:"
for each city in cities
The mockup is quite plain in appearance, but that can be easily changed
as most of the output is template based anyway. And it only works for the
Next up, code in time zone and
Day Light Savings information for each
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