Bulletin of International Rough Set Society
Volume 3, Number 4

Editor:                     S. Tsumoto
Managing Editor:            Y.Y. Yao 
Electronic Managing Editor: M. Hadjimichael


Table of Contents

Papers

GDT-RS: A Probabilistic Rough Induction System
Ning Zhong, Juzhen Dong, and Setsuo Ohsuga  ..................... 133

Information Granules for Spatial Reasoning
Andrzej Skowron, Jaroslaw Stepaniuk, Shusaku Tsumoto  ........... 147



Conference Abstracts 

EUROFUSE-SIC'99 (May 25-28, Budapest)  .......................... 155

IFSA'99 (August 17-20,  Taipei)  ................................ 157

EUFIT'99 (September 13-16, Aachen)  ............................. 160

ICCIMA'99 (September 23-26, New Delhi) .......................... 167

MCDA'99 (September 28 - October 2, Cerisy-la-Salle) ............. 168



IRSS Calendar ................................................... 171

Rough Set Rudiments ............................................. 181

Instruction to Authors
S. Tsumoto  ..................................................... 187