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category archive listing Category Archives: geodata

Everyblock’s New Geocoding Fixes

April 17, 2009 – 8:27 am

Adrian Holovaty. (Image by Additive Theory via Flickr)

Recently I wrote about how a Los Angeles Police Dept. geocoding data glitch yielded inaccurate crime maps at LAPDcrimemaps.org and the database-powered network of hyperlocal sites, Everyblock.
On Apr. 8, Everyblock founder Adrian Holovaty blogged about the two ways his company is addressing the problem of inaccurate geodata.

Latitude/longitude crosschecking. [...]

By Amy Gahran | Also posted in accountability, accuracy, credibility, data, geography, government, mapping, problems, software, solutions | Comments (1)

Los Angeles Police Geocoding Error Skews Crime Maps

April 10, 2009 – 2:11 pm

Crime maps are one of the most popular and (in urban areas) ubiquitous types of geo-enabled local news — and they’re a staple of the Knight News Challenge-funded project Everyblock. This data comes from local police departments — but how reliable is it?
On Sunday, the Los Angeles Times reported a problem with the Los Angeles [...]

By Amy Gahran | Also posted in accuracy, geography, government, mapping, problems, software | Comments (3)