K-means clustering of proportional data using L1 distance.

Hisashi Kashima Jianying Hu Bonnie K. Ray Moninder Singh K-means clustering of proportional data using L1 distance. 1-4 2008 ICPR http://dx.doi.org/10.1109/ICPR.2008.4760982 conf/icpr/2008 db/conf/icpr/icpr2008.html#KashimaHRS08