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Operations Reaerch 2015: Big Data & Optimal Decisions - Use the hashtag #or2015vienna
Operations Reaerch 2015: Big Data & Optimal Decisions - Use the hashtag #or2015vienna

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There have been a lot of last minute changes since the printing of the conference book. Please check our websit for the conference app for up to date program changes and updated floor plans. We also added a printed list of changes to your conference bags! Please check them.

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You can download our conference app for iOS and Android

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There have been some changes in the program of the BUSINESS DAY due to a change of speakers. Check them out here:

The RISC workshop has to be cancelled due to a lack of particpants. For mroe information, you may directly go to the RISC stand on-site during the confernece next week.

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Unfortunately, we had to cancel 2 out of the 3 offered pre-conference sightseeing tours due to a lack of participants! Only the CITY WALK will take place! You can still explore Vienna and its surroundings on your own or book a tour at Vienna Tourism yourself.

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You can still register for one or more of our pre-conference workshops by GAMS, Gurobi, RISC or IBM! Don't miss the opportunity to particpate!

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Are you excited already? We're looking forward to seeing you in Vienna!

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We've still got plenty of free places at the RISC workshop on Tuesday, Sept 1, 2015! Register now at

Speakers: Michael Bögl and Roman Stainko
After a brief overview over the RISC Software GmbH we will take a closer look at one of our most popular topics: Individual Production Planning. We will present our established approach to this kind of projects where we tailor individually customized production planning software products for our customers. Individual adaption to the specific production processes and powerful optimization algorithms are some of our keys for success. On the basis of some of our past and current projects we will highlight our lessons learnt and talk about crucial decisions along the way. Does it pay off to develop a own solution engine? Is it advisable to use mathematical optimization? Interesting aspects and noteworthy topics from the corresponding project diaries will complete the presentation.

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How to get to our conference venue?

All sessions will take place in the Main Building of the University of Vienna. For the exact location of each stream and its sessions take a look at the Session Schedule (will be up by the end of July 2015). 

The main building is located at Universitätsring 1, 1010 Vienna, with the main entrance directly to the famous Ringstraße and in walking distance of the historic city centre. For more information about the university itself, check out the website at

You can reach the universtiy by foot, bike, car or public transport. Check out all directions at

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The Vienna Circle – Exact Thinking in Demented Times
Exhibition at the University of Vienna

The Vienna Circle was an extraordinary association of philosophers, mathematicians, natural scientists and humanists to develop and disseminate an academic world view from 1924 to 1936. This exhibition sheds some light on the extraordinary intellectual and cultural achievements of the Vienna Circle while also focusing on the terrible anti-Semitic and political persecution that finally led to its dissolution. This exhibition displays valuable objects from the collections of scientific archives.

If you're interested in visiting this exhibition, it is open daily Monday - Saturday from 10:00 to 18:00. It's located in the main building of the university, on the left of the main entrance. There will be a special guided tour by Prof. Karl Sigmund (Department of Mathematics, University of Vienna) on Tuesday, September 1, 2015 at 18:00 for participants of OR2015! Meeting point is at the OR2015 Registration Desk. No extra registration necessary. The Welcome Reception will continue until 21:00 so you are welcome to come back after taking the tour.

For more info about the exhibition, check out their website at
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