I'm an Industrial Engineering undergrad student looking for a topic for my dissertation on Operations Research. Are there any problems you consider worth exploring?
I had a couple data competitions [1][2] in mind, but I'm not sure they're viable "Operations Research" problems.
[1]: http://www.drivendata.org/competitions/5/
[2]: https://www.kaggle.com/c/walmart-recruiting-sales-in-stormy-weather