@InProceedings{l12-p97-108, AUTHOR = {Joshua Brody and Hongyu Liang and Xiaoming Sun}, TITLE = {Space-Efficient Approximation Scheme for Circular Earth Mover Distance}, BOOKTITLE = {Proc.~of the 10th Latin American Symposium on Theoretical Informatics (LATIN'12)}, PAGES = {97--108}, YEAR = 2012, ADDRESS = {Arequipa, Peru}, KEYWORDS = {}}