[Geowanking] address parsing

Andrew Johnson andrewljohnson at trailbehind.com
Thu Jul 16 14:12:38 PDT 2009


Oh, one other interesting thing I found about Google's geo-coder - if you
run the geo-coding job from App Engine, there doesn't seem to be a limit on
how many geo-codes you can do per day, despite the stated cap.


On Thu, Jul 16, 2009 at 2:11 PM, Andrew Johnson <
andrewljohnson at trailbehind.com> wrote:

> For a while, I was geo-coding every address on CraigsList housing ads for a
> map mash-up.
>
> I tested all the geocoders included in Geo.py:
> http://mail.python.org/pipermail/python-announce-list/2006-October/005297.html.
> This includes geocoder.us.
>
> I found that the only one that did the job even remotely reliably was
> Google, followed by Yahoo. Geocoder.us didn't seem to code very many
> addresses at all.
>
> The addresses people list on CraigsList on often very vague, so maybe this
> isn't a good test of the geo-coders, but I found Google was the only really
> good one. I guess there's some chance I wasn't using the others properly as
> well.
>
> Andrew
> Co-founder, TrailBehind.com
>
>
>
> On Thu, Jul 16, 2009 at 1:06 PM, Andrew Turner <
> ajturner at highearthorbit.com> wrote:
>
>>  Christopher Schmidt wrote:
>>
>> On Thu, Jul 16, 2009 at 02:36:47PM -0400, Sean Gorman wrote:
>>
>>
>>  Hi Fernando -
>>
>> The geocoder we just open sourced has address parsing in it that could do the job:
>> http://github.com/geocommons/geocoder/tree/master
>>
>>  Which may well be similar to:
>>
>>   http://search.cpan.org/~sderle/Geo-StreetAddress-US-0.99/US.pm <http://search.cpan.org/%7Esderle/Geo-StreetAddress-US-0.99/US.pm>
>>
>> (Which is the code from geocoder.us.)
>>
>>
>>
>> bigger, better, faster, and now with more peanut butter (as the glue).
>>
>> The goal is to extend parsers, and data importers for various countries'
>> addressing schemes and data sources (esp. OpenStreetMap).
>>
>> Andrew
>>
>>
>>
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>>
>>
>
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