So I'm somewhat confused about how nominatim actually works. A good example is 
the building I work in (10 park plaza Boston ma) the version of nominitum on 
the website gets the correct location on the first try (note mapquest has it as 
the 3rd result) but they have it as being
10, Park Plaza, Central Square, Bay Village, Middlesex, Massachusetts, 02116, 
United States of America. 
http://nominatim.openstreetmap.org/details.php?place_id=21777524
The "Central Square",  "Bay Village" and "Middlesex" are what are confusing me 
as they look to be points and I'm not sure what the deal is with poi points vs 
admin polygons. And why Boston the city doesn't come up. 

For those unfamiliar with the area Central Square is an unofficial neighborhood 
in Cambridge, the next down over, bay village is the correct unofficial 
neighborhood that the address is in (the official is Downtown Crossing 
according to city of Boston), and Middlesex is the County next door (Cambridge 
is in it, the address is in Suffolk county).  


-----Original Message-----
From: Richard Welty [mailto:[email protected]] 
Sent: Monday, July 30, 2012 7:33 AM
To: [email protected]
Subject: Re: [Talk-us] NYC administrative boundaries and Nominatim

On 7/30/12 5:11 AM, Kevin Kenny wrote:
> On 07/29/2012 11:56 PM, Skye Book wrote:
>
>>> Do we have a source for NYC administrative boundaries?
>
> http://www.nyc.gov/html/dcp/html/bytes/districtsmetadata.shtml
>
there also should be boundaries in TIGER. most of the problems i've seen with 
nominatim and boundaries have to do with half-assed boundaries based on the 
USGS stuff. i've been gradually replacing boundaries in the capital district 
with TIGER based boundaries which are much better.

i have no opinion on the boundaries in the nyc.gov site, it might be worthwhile 
to compare them with the boundaries from tiger. i can probably give you .osm 
files based on the tiger boundaries if you want them for that purpose.
it'd be good to look at the spot where nyc boundaries end and match them up 
with the tiger boundaries to see how good the fit is.

richard


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