Zahra Hajihashemi Behrooz Minaei Improving Noise Clustering Algorithm Using Ant Colony Optimization. 1077-1080 2008 CSSE (1) https://doi.org/10.1109/CSSE.2008.763 https://doi.ieeecomputersociety.org/10.1109/CSSE.2008.763 conf/csse/2008-1 db/conf/csse/csse2008-1.html#HajihashemiM08