Xie, LexingHe, Xuming2015-12-10October 21http://hdl.handle.net/1885/65716This paper studies the use of everyday words to describe images. The common saying has it that a picture is worth a thousand words, here we ask which thousand? The proliferation of tagged social multimedia data presents a challenge to understanding collec201310.1145/2502081.25021132015-12-10