Publications by Bilge Atasoy | EPFL Graph Search

Using semi-open questions to integrate perceptions in choice models

Michel Bierlaire, Aurélie Glerum, Bilge Atasoy

This research investigates the measurement of perceptions by means of adjectives freely reported by respondents in semi-open questions. It involved the use of semi-open responses of 1'763 Swiss individuals to develop indicators for a latent variable repres ...

Elsevier Sci Ltd2014

An integrated airline scheduling, fleeting and pricing model for a monopolized market

Michel Bierlaire, Matteo Salani, Bilge Atasoy

In airline schedule planning models, the demand and price information are usually taken as inputs to the model. Therefore, schedule and capacity decisions are taken separately from pricing decisions. In this article, we present an integrated scheduling, fl ...

Wiley-Blackwell2014

Integrated supply-demand models for the optimization of flexible transportation systems

Bilge Atasoy

This thesis investigates methodologies for improving the demand responsiveness of transportation systems through flexibility. The methodologies propose advances both in demand and supply models having a focus on supply-demand interactions. The demand side ...

EPFL2013

Attitudes towards mode choice in Switzerland

Michel Bierlaire, Aurélie Glerum, Bilge Atasoy

We integrate latent attitudes of individuals into a mode choice model through latent variable and latent class models with the help of psychometric indicators that enable us to measure these attitudes. The aim of the inclusion of attitudes is to better und ...

2013

Impact analysis of a flexible air transportation system

Claudio Leonardi, Michel Bierlaire, Matteo Salani, Bilge Atasoy

The paper provides analytical evidence of the added-value of flexibility for air transportation systems. More specifically, the impact of a new innovative modular aircraft on the operations of an airline is deeply analyzed. The impact analysis is carried o ...

Editorial Board Ejtir2013

Integrated schedule planning with supply-demand interactions for a new generation of aircrafts

Michel Bierlaire, Matteo Salani, Bilge Atasoy

We present an integrated schedule planning model where the décisions of schedule design, fleeting and pricing are made simultaneously. Pricing is integrated through a logit demand model where itinerary choice is modeled by defining the utilities of the alt ...

2012

Optimal inventory policies with non-stationary supply disruptions and advance supply information

Bilge Atasoy

We consider the production/inventory problem of a manufacturer (or a retailer) under non-stationary and stochastic supply availability. Although supply availability is uncertain, the supplier would be able to predict her near future shortages and hence sup ...

2012