• Bart Gadeyne and Pieter Verhamme are the winners of the 2012 ORBEL Award for the best student's thesis on Operations Research, announced during ORBEL26, February 3rd 2012.
  
• The new ORBEL Wolsey award, sponsored by n-Side, has just been announced, to reward the best and most significant OR implementation contributed to Open-Source. See the announcement page ; deadline for submission is September 1st, 2012.
• ORBEL26 took place on February 2-3 in Brussels. See the announcement below or go directly to the conference web site.
• Derek Verleye was the winner of the 2011 ORBEL Award for the best student's thesis on Operations Research, announced during ORBEL25, February 11th 2011.
  
• ORBEL 25 took place on Thursday 10 and Friday 11 February 2011 in Ghent. The conference was hosted at the Faculty of Engineering of Ghent University and organised by Sabine Wittevrongel and El-Houssaine Aghezzaf.
• Thijs Dewilde was the winner of the 2010 ORBEL Award for the best student's thesis on Operations Research, announced during ORBEL24, January 29th 2010.
  
• ORBEL24 took place on January 28-29 in Liège. See the announcement below or go directly to the conference web site.
• Workshop Interdisciplinary aspects of Multicriteria decision aid, November 27th 2009, Université Libre de Bruxelles (Campus Plaine, bât. NO, 5ème étage, salle Solvay), organized by Yves De Smet and Martin Geiger.

  Past events

• ORBEL'09, the 23rd conference of the Belgian Operations Research society, took place in Leuven on February 5-6th, 2009 and gathered more than 120 participants, including 78 speakers ; visit the official website at http://www.mech.kuleuven.be/orbel09/.
• Arnaud Vandaele was the winner of the 2009 ORBEL Award for the best student's thesis on Operations Research, announced during ORBEL23, February 6th 2009.
  
• The 22nd ORBEL conference that took place on January 16-17-18, 2008 at the Royal Military Academy in Brussels was a success, gathering a hundred registered participants to attend more than 50 presentations.
• One-day Symposium on Optimization and Engineering,UCL/CORE, Louvain-la-Neuve, May 24, 2006. Slides from the presentations are downloadable .
• One-day Symposium on the Interface between Data Mining and Operations Research,
  FUSL, Brussels, March 16, 2005. Slides from the presentations are downloadable .
  

This award, organised by the Belgian OR-society (SOGESCI-B.V.W.B.), is bestowed on the author(s) of a scientifically oriented student's thesis with the exception of PhD theses.

Please find more information on the web page of Orbel Award.

The SOGESCI-B.V.W.B., the Belgian O.R. society, invited you to attend the twenty-sixth ORBEL conference which took place on February 2-3, 2012 at ULB, organised by the Graphs and Mathematical Optimization unit.

ORBEL is the annual conference of the SOGESCI-B.V.W.B., the Belgian Operations Research (OR) Society, member of EURO, the association of European OR Societies, and Belgian representative of IFORS (International Federation of OR Societies).

The conference is intended as a meeting place for researchers, users and potential users of operational research, statistics, computer science and related fields. It will provide managers, practitioners and researchers with a unique opportunity to exchange information on quantitative techniques for decision making.

CONTACT
Conference chair: Bernard Fortz (ULB). If you have any questions regarding the ORBEL26 conference, please feel free to contact the organisers at orbel26@euro-online.org.

For detailed information see the website of ORBEL 26 at http://www.orbel.be/orbel26

This award, organised by the Belgian OR-society (SOGESCI-B.V.W.B.), is bestowed on the author(s) of a scientifically oriented student's thesis with the exception of PhD theses.

Please find more information on the web page of Orbel Award.

The SOGESCI-B.V.W.B., the Belgian O.R. society, invited you to attend the twenty-fifth ORBEL conference which took place on February 10-11, 2011 at Ghent University, organised by the Faculty of Engineering.

ORBEL is the annual conference of the SOGESCI-B.V.W.B., the Belgian Operations Research (OR) Society, member of EURO, the association of European OR Societies, and Belgian representative of IFORS (International Federation of OR Societies).

The conference is intended as a meeting place for researchers, users and potential users of operational research, statistics, computer science and related fields. It will provide managers, practitioners and researchers with a unique opportunity to exchange information on quantitative techniques for decision making.

CONTACT
Conference chairs: Sabine Wittevrongel and El-Houssaine Aghezzaf (Universiteit Gent). If you have any questions regarding the ORBEL25 conference, please feel free to contact the organisers at info@orbel25.ugent.be.

For detailed information see the website of ORBEL 25 at http://orbel25.ugent.be

This award, organised by the Belgian OR-society (SOGESCI-B.V.W.B.), is bestowed on the author(s) of a scientifically oriented student's thesis with the exception of PhD theses.

Please find more information on the web page of Orbel Award.

The SOGESCI-B.V.W.B., the Belgian O.R. society, invites you to attend the twenty-fourth ORBEL conference which will take place on January 28-29, 2010 at HEC-Management School of the University of Liège, organised by the Centre for Quantitative Methods and Operations Management (QuantOM)

CONTACT
Conference chair: Michaël Schyns (Université de Liège), M.Schyns@ulg.ac.be

For detailed information see the website of ORBEL 24 at http://www.orbel24.be/

This award, organised by the Belgian OR-society (SOGESCI-B.V.W.B.), is bestowed on the author(s) of a scientifically oriented student's thesis with the exception of PhD theses.

Please find more information on the web page of Orbel Award.

This award, organised by the Belgian OR-society (SOGESCI-B.V.W.B.), is bestowed on the author(s) of a scientifically oriented student's thesis with the exception of PhD theses.

Please find more information on the web page of Orbel Award.

CONTACT
Conference chair: Hugo Pastijn (Royal Military Academy),

For detailed information see the website of ORBEL 22 at http://orbel22.hallot.net/

This award, organised by the Belgian OR-society (SOGESCI-B.V.W.B.), is bestowed on the author(s) of a scientifically oriented student's thesis with the exception of PhD theses.

Please find more information on the web page of Orbel Award.

CONTACT
Conference chair: Raymond Bisdorff (SMA), orbel21@uni.lu

For detailed information see the website of ORBEL 21: http://sma.uni.lu/orbel21/

This award, organised by the Belgian OR-society (SOGESCI-B.V.W.B.), is bestowed on the author(s) of a scientifically oriented student's thesis with the exception of PhD theses.

Please find more information on the web page of Orbel Award.

CONTACT
Conference chairs: Bernard De Baets (UGent) and Hans De Meyer (UGent)
orbel20@ugent.be

For detailed information see the website of ORBEL 20: http://www.orbel20.ugent.be.

CONTACT
Conference chairs: Bernard Fortz (UCL-IAG) and François Glineur (UCL-CORE)
orbel19@core.ucl.ac.be

For detailed information see the website of ORBEL 19: http://www.poms.ucl.ac.be/orbel19/