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Welcome to the International Rough Set Society
Written by Web Master   


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International Rough Set Society (IRSS) is a non-profit organisation intended as a forum for contacts and exchange of information between members of scientific community whose research is related to the Rough Set Theory.More...

Last Updated ( Saturday, 25 February 2012 )
Result of the IRSS 2014 election
Written by Zbigniew Suraj   

In 2014, according to the Constitution and Bylaws of International Rough Set Society, the Society elected its officers for the next term.

The election process includes the following steps according to the IRSS bylaws.

  1. IRSS members nominate candidates for the 4 positions of IRSS Vice President, Secretary, SC Chair and AB Chair for the next term.
  2. The current IRSS EB members, SC Chair and AB Chair select the top10 possible candidates according to their number of nominations.
  3. Each possible candidate is asked to select a position which he/she is going to run for. In this step, 2 possible candidates give up.
  4. The 8 candidates submit their vision statements.
  5. IRSS members vote online.

The voting result of the IRSS 2014 election is as follows.

 ElecteePercentage of votes
 IRSS Vice President Yiyu Yao 98%
 Secretary of IRSS Davide Ciucci 50%
 Chair of the Steering Committee Duoqian Miao 50%
 Chair of the Advisory Board Jerzy W. Grzymała-Busse 58%


Last Updated ( Monday, 09 June 2014 )
Special issue in "Fundamenta Informaticae" on Rough Sets and Fuzzy Sets
Written by Chris Cornelis   

Soon we will celebrate the 50th anniversary of Professor Lotfi Zadeh's first publication on fuzzy sets. Rough sets emerged more than 30 years ago as another major mathematical approach for managing uncertainty that arises from inexact, noisy, or incomplete information.
Over the years it was recognized that the two approaches can work nicely as complementary. Many methods based on combination of both approaches were developed, often with a significantly better performance than those obtained by using them separately. The obtained results were published in dedicated books, journal special issues, as well as many regular journal articles and conference papers.
The aim of this special issue is to (i) characterize the state of the art of methods based on combination of fuzzy sets and rough sets, (ii) present new methods based on combination of rough sets and fuzzy sets, (iii) show the future perspectives for such methods, in particular in the face of new challenges emerging nowadays when we are dealing with big data, web of things or cyber-physical systems as well as new computing models. Also papers dedicated to new aspects of comparison of rough sets and fuzzy sets are welcome.

Guest editors:
Chris Cornelis (University of Granada, Spain)
Hung Son Nguyen (Warsaw University, Poland)
Sankar K. Pal (Indian Statistical Institute, India)
Wei-Zhi Wu (Zhejiang Ocean University, P.R. China) 
Andrzej Skowron (Warsaw University, Poland).
 Important dates:

1. Abstract submission -  December 31, 2014
2. Submission deadline  - February 28, 2015
3. First review decision -  April 30, 2014
4. Revised review decision - July 30, 2014
5. Final manuscript due - August 31, 2015
See also our Upcoming Special Issues section for more details.
Last Updated ( Friday, 26 September 2014 )
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