Events

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DEVI seminar – Antonio Antunes

28/06/2018 @ 11h00 – 12h00 – Airport Slot Allocation in Level 3 Airports: Challenges and Opportunities. Most of the busiest airports outside the United States, including the major connecting hubs, are classified as Level 3. At these airports, airlines need to be assigned slots by a slot coordinator to schedule their flights. Slot allocation is driven by a set of rules […]

DEVI seminar – Alice Le Brigant

14/06/2018 @ 11h00 – 12h00 – Statistics and geometry : using Riemannian geometry tools to do statistics on non-vectorial data. In many applications in statistics, the data that we seek to process has non linear structure (shapes, images, signals), which makes it impossible to use the usual linear operations. However, the space of data can sometimes be equipped with the structure […]

Thesis Defense – Vincent Courjault-Radé

17/04/2018 @ 10h30 – 12h30 – Ballstering : a clustering algorithm for large datasets. Ballstering belongs to the machine learning methods that aim to group in classes a set of objects that form the studied dataset, without any knowledge of true classes within it. This type of methods, of which k-means is one of the most famous representative, are named clustering […]

DEVI seminar – Salem Saïd

12/04/2018 @ 11h00 – 12h00 – Gaussian distributions on Riemannian symmetric spaces: statistical learning with covariance matrices. Riemannian Gaussian Distributions on the Space of Symmetric Positive Definite Matrices (2015), Gaussian distributions on Riemannian symmetric spaces: statistical learning with structured covariance matrices (2016), Warped Riemannian metrics for location-scale models (2017). Salem Saïd, IMS – Laboratoire de l’Intégration du Matériau au Système, Bordeaux. […]

DEVI seminar – Nathalie Lenoir

22/03/2018 @ 11h00 – 12h00 – Learner Paths and Trajectories in MOOCs. Using original individual data recorded during the first session of a recent MOOC, we investigate learners’ paths and trajectories. We show that the heterogeneity in learners’ behaviour is strong, even among learners who studied a comparable proportion of the course. At an individual level, the number of different days […]

DEVI seminar – Nicolas Volta

08/02/2018 @ 11h00 – 12h00 – European regions and air routes’ dismissal risk. There is an ongoing debate on the impact of air transport infrastructure and accessibility on regional economic growth. What researchers have found is that air transportation can, at least in areas with latent potential, foster economic development. As a result, when airlines decide to open/close a route, the […]

Workshop DOFIN

26/01/2018 @ 8h00 – 17h00 – Functional Data and Information Geometry This workshop is the opportunity to present the results of the PEPS1-DOFIN project in collaboration between ENAC and the start-up Safety Line, based in Paris. This workshop aims also to open the discussion and exchanges between functional data statistics, information geometry and applied research. This event is organised by ENAC, […]

DEVI seminar – Florence Nicol

25/01/2018 @ 11h00 – 12h00 – Detection of bad runway conditions using radar landing tracks. In air transportation, a huge amount of data is continuously recorded such as radar tracks that may be used for improving flight as well as airport safety. However, all known statistical algorithms, even those based on functional data, are unable to distinguish between a safety critical […]

DEVI seminar- Vincent Courjault-Radé

14/12/2017 @ 11h00 – 12h00 – Ballstering: Density peak clustering for large datasets Ballstering belongs to the machine learning methods that aim to group in classes a set of objects that form the studied dataset, without any knowledge of true classes within it. This type of methods, of which k-means is one of the most famous representative, are named clustering methods. […]