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Twofish[es ]

Twofish[es ]. What are twofishes ?. A coarse geocoder from Foursquare. City/neighborhood/POI level In-memory Fast? Splitting pizza new york -> pizza near [40.74,-74]. Based on open data. Geonames. CC-BY (Attribution). Flickr. Public Domain. Foursquare <3 OSM. coming soon.

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Twofish[es ]

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  1. Twofish[es]

  2. What are twofishes?

  3. A coarse geocoder from Foursquare • City/neighborhood/POI level • In-memory • Fast? • Splitting • pizza new york -> pizza near [40.74,-74]

  4. Based on open data

  5. Geonames • CC-BY (Attribution)

  6. Flickr • Public Domain

  7. Foursquare <3 OSM • coming soon.

  8. Algorithm

  9. Recursive Descent Parse Tree

  10. [soho] + [new york]

  11. Soho • [soho] + [new york] • parents • london • united kingdom Soho • parents • new york (city) • new york (state) • united states • parents: • new york (city) • new york (state) • united states

  12. Soho New York (city) New York (state) New York, TX New York, IA • [soho] + [new york] • parents • london • united kingdom • parents • new york (state) • united states • parents • united states Soho • parents • new york (city) • new york (state) • united states • parents • iowa • united states • parents • texas • united states • parents: • new york (city) • new york (state) • united states

  13. Soho New York (city) New York (state) New York, TX New York, IA • [soho] + [new york] • parents • london • united kingdom • parents • new york (state) • united states • parents • united states Soho • parents • new york (city) • new york (state) • united states • parents • iowa • united states • parents • texas • united states • parents: • new york (city) • new york (state) • united states

  14. Soho New York (state) New York, TX New York, IA New York (city) • [soho] + [new york] • parents • london • united kingdom • parents • new york (state) • united states • parents • united states Soho • parents • new york (city) • new york (state) • united states • parents • iowa • united states • parents • texas • united states • parents: • new york (city) • new york (state) • united states

  15. Done!

  16. Postal Codes = Hack

  17. Launching Thursday!

  18. In our API • https://foursquare.com/v2/venues/search • ?query=pizza&ll=40.74,-74 • https://foursquare.com/v2/venues/search • ?query=pizza&near=nyc

  19. Hosted in our API • https://foursquare.com/v2/geo/geocode?query=nyc • Limited release while we tweak the API • Email blackmad@foursquare.com for access

  20. Open Sourced • http://github.com/foursquare/twofishes

  21. Office Hours @ 4:15 (now!)

  22. Thank Youblackmad@foursquare.comfoursquare.com

  23. References • http://geonames.org/ • http://code.flickr.com/blog/2011/01/08/flickr-shapefiles-public-dataset-2-0/

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