Retrievr is an experimental service which lets you search and explore in a selection of Flickr images by drawing a rough sketch. Currently the index contains many of Flickr's most interesting images. If you'd like to have your images (or the images for a
A. Sadik. Procedia - Social and Behavioral Sciences, 1 (1):
91 - 100(2009)World Conference on Educational Sciences: New Trends and Issues in Educational Sciences.