Hongbo Liu Ajith Abraham Hong Ye Extracting Multi-knowledge from fMRI Data through Swarm-Based Rough Set Reduction. 281-288 2008 HAIS http://dx.doi.org/10.1007/978-3-540-87656-4_35 conf/hais/2008 db/conf/hais/hais2008.html#LiuAY08