Jun 20, 2017

Seminar on Choice-Based Optimization at CIRRELT

Seminar takes place Wednesday June, 21st 2017 in Salle / Room 5441 Pavillon André-Aisenstadt Université de Montréal.

Demand is an important quantity in many optimization problems, such as revenue management and supply chain management, for example. While some part of the literature considers demand as deterministic some reference assume demand to be stochastic.


Jan 30, 2017

Call for Session / Papers

International Conference on Operations Research of the German Operations Research Society, Berlin (Germany)

Decision Analytics for the Digital Economy

Stream "Traffic, Mobility and Passenger Transportation"
Marie Schmidt (Rotterdam), Sven Müller (Karlsruhe)

The International Conference on Operations Research - OR2017 - brings together researchers and practitioners from mathematics, computer science, business/economics and other fields to exchange ideas and experiences in operations research, management science, analytics and data science. The conference takes place in Berlin, Germany, Sept 6 - Sept 8, 2017 at the Freie Universität Berlin.

We invite papers and/or proposals for sessions in the fields of traffic, mobility, and passenger transport in the broadest sense. We would be delighted if you are interested to organize a session of 3-4 talks on some particular topic within this stream. This task involves choosing the specific topic, contacting speakers and handling their submission in the online system of the conference, to which you will then get access.
Usually, but not necessarily, the session organizer is also session speaker and/or chair.

If you are interested in presenting a paper and/or organizing a session please send a short email to
Marie Schmidt: schmidt2@rsm.nl , or
Sven Müller: sven.mueller@hs-karlsruhe.de

Important dates:
Deadline abstract submission: April 30, 2017
Conference start: September 5, 2017

Hope to see you in Berlin,

Kind regards
Marie & Sven

New Working Paper

New working paper on Health Care Facility Location Planning with Quality–Conscious Clients. The objective of probabilistic choice models for locating preventive health care facilities is the maximization of the expected participation in a screening program for, e. g., early detection of breast cancer in women. In contrast to sick people who need urgent medical attention, the clients of preventive health care choose whether to go for a certain facility location or not to take part in the program.

Sep 22, 2016

Successful Hajj 2016

This years Hajj has successfully ended on Thursday, the 15th of September 2016. In contrast to last year's pilgrimage, this season no crowd disaster occurred as reported by several media: CNN, IBT, and IOL, for example. For this year's Hajj our Operations Research based scheduling and routing approach was used again for the assignment of pilgrims to stoning times and routes that lead to Jamarat Bridge (location of the stoning ritual). This approach was already in use 2007-2014. In 2015, the year of the tragic crowd disaster, an alternate company provided the plans to the authorities. According to CNN's Senior News Editor Schams Elwazer strict one-way flow of the pilgrims is one of the improvements compared to 2015: