Rare 1784 Map of the U.S. Being Auctioned Next Month

An extremely rare copy of Abel Buell’s New and Correct Map of North America (1784), one of only seven known to exist, is being auctioned by Christie’s on December 3. Buell’s map is the first map of the United States to be published in America; it also shows the U.S. flag for the first time on a map. The auction house expects the map to fetch between $500,000 and $700,000. The map has been owned by the New Jersey Historical Society since 1862; no word on why the Society is selling it. Via MapHist.

Google Maps Data API being deprecated (Jan 31/11) in favor of Fusion Tables Cloud Solution

This via the Google Geo Dev Blog (http://googlegeodevelopers.blogspot.com) as the company announces to nix the Maps Data API after Jan 31, 2011. Recall that as of several months agao, Google Maps API v3 renders data stored in Fusion Tables, a Google Research project for storing large structured data sets in the cloud… as a result, [...]

Post originale: http://blog.gisuser.com/?p=8038

Is Yelp's new check-in feature being monitored for "cheaters" in a similar way as other location-based apps?

Answer added in topic Mobile Location Applications.

Jim Barcelona, Loves to Write Beautiful and Scalable Code

First off, I admire Yelp and think they have a great product for helping find great places in my area.



Also, I really think the whole authenticity in geolocation and what folks try to do to game geolocation is really interesting, worth studying, and something that can help lots of folks if solved in a clean way.



To answer the question: No, they are not. The code is very different from FourSquare's or Gowalla's. It is different in such a way that it is possible to have joined Yelp on March 2010 and have 2022 Dukedoms.�



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Let's assume that it takes about 3 check-ins to get a dukedom which is really generous. This guy has checked into places in LA 6066 times since March.



That's about 28 check-ins a day. I used to do beer sales. So some days I had a route of about 20 venues a day, and that's assuming I'm putting in a long 16 hour day. With LA traffic, it's pretty impossible to hit 28 places on that sort of a route. I'm calling foul here, and would like to see my hunch verified, b/c I can't really prove anything yet other than it doesn't match my experience as a former beer sales guy.



Any insight from folks at Yelp on this?



See question on Quora


Post originale: http://www.quora.com/Is-Yelp-s-new-check-in-feature-being-monitored-for-cheaters-in-a-similar-way-as-other-location-based-apps