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We consider assortment optimization problems under the multinomial logit model, where the parameters of the choice model are random. The randomness in the choice model parameters is motivated by the fact that there are multiple customer segments, each with different preferences for the products, and the segment of each customer is unknown to the firm when… (More)

- Chaoxu Tong, Huseyin Topaloglu
- INFORMS Journal on Computing
- 2014

One method to obtain high-quality bid prices for network revenue management problems involves using the approximate linear programming approach on the dynamic programming formulation of the problem. This approach ends up with a linear program whose number of constraints increases exponentially with the number of flight legs in the airline network. The… (More)

- Matthew S. Maxwell, Eric Cao Ni, Chaoxu Tong, Shane G. Henderson, Huseyin Topaloglu, Susan R. Hunter
- Operations Research
- 2014

Ambulance redeployment is the practice of repositioning ambulance fleets in real time in an attempt to reduce response times to future calls. When redeployment decisions are based on real-time information on the status and location of ambulances, the process is called system-status management. An important performance measure is the long-run fraction of… (More)

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