ISMIS 2011 Special Sessions
Special Session on Rough Sets,
devoted to the Memory of Zdzislaw Pawlak
organized by Jerzy Grzymala-Busse (Univ. of Kansas, USA)
Special Session on Challenges in Knowledge Discovery and Data Mining,
devoted to the Memory of Jan Zytkow
organized by Shusaku Tsumoto (Shimane Medical Univ., Japan)
Special Session on Social Networks
organized by Hakim Hacid (Bell Labs, France)
Special Session on Multi-Agent Systems
organized by Barbara Dunin-Kęplicz (Univ. of Warsaw, Poland)