Finding the Where in There

@ajturner

Find out more on Sunday Afternoon

GeoWeb

Lots of Data

Definition of Locations

Geocoding is Hard

Mess of Strings

Lacking in Data

flickr: erix!

Disconnected ‘Web’ Apps

flick

r: b

erin

g

(a very smart guy) ^

#sotm07

Forking is an act of Love github.com/geocommons

The Architecture

GeoCommons http://github.com/geocommons/geocoder

GeoCoding Engine

Web Service API

Address String Parser

Street Database

Ruby

SQLiteTIGER Importer

NAVTEQ Importer

U.S. Address Rules

Metaphone C

2200 Wilson Blvd., Arlington, VA 22201Number

Street

CityRegion

Postcode

GeoCommons http://github.com/geocommons/geocoder

200300

400

300301

377

360380

408

470

401421

441461

GeoCommons http://github.com/geocommons/geocoder

Parcel

Ranged

GeoCommons http://github.com/geocommons/geocoder

240,000 geocodes / hour

~66.66666666667 geocodes / second

benchmark:

GeoCommons http://github.com/geocommons/geocoder

A call to the Community

GeoCommons http://github.com/geocommons/geocoder

Thank you!

Andrew Turner@ajturner