From：http://graphics.cs.cmu.edu/projects/im2gps/flickr_code.html Due to recent changes in the Flickr API, the archive below contains a newer version that no longer uses negative text constraints during the query to avoid duplicate images. The search algorithm is slightly different from previously posted versions of this code.  This code was used to generate the data set for IM2GPS: estimating geographic information from a single image and an earlier version was used for ...