Seminar

The seminars of OBELIX team are currently held on Mondays 11:00 am, every two weeks, at the IRISA lab, Tohannic campus, room D106.

The seminar is coordinated by Chloé Friguet.

Previous seminars : 2019

Upcoming seminars


  • Date: February, 25
  • Room : D106
  • Speaker: Adan Salazar (Geo-intelligence remote sensing group, Mexico)
  • Title: Challenges and opportunities in relation to Sargassum blooms along the coast of the Mexican Caribbean
  • Abstract: Macroalgal blooms are becoming more frequent events worldwide in response to several factors, some of which have not been proven as responsible for these common events. Reports in the scientific literature for the Atlantic and Pacific coast for Golden tides or  looms of the genus Sargassum have appeared recently. Past and  recent (2011, 2015, 2018) blooms formed by Sargassum species along the Mexican Caribbean coast make us aware  of the necessity to tackle this events not only locally, but at a Regional and Global scale. We have identified at least three species of Sargassum comprising the blooms occurring along the coast of the Mexican Caribbean.  Monthly collections of this biomass derived in taxonomic information, in which other benthic species were also  identified. The chemical characterization of the collected biomass will provide basic information for Sargassum  valorization. Moreover, based on satellite image analysis, we followed the event in order to quantify its pelagic volume and the possible impact in touristic areas and vulnerable ecosystems in nearby coastal area of Quintana  Roo. Basic and applied information on Sargassum biomass may contribute to the understanding of these events  and also suggest management and possible solutions to their widespread occurrence worldwide.

  • Date: March, 11
  • Room : D106
  • Speaker: François Septier (Pr. Statistique / Univ. Bretagne-Sud – Lab-sticc, Vannes)
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  • Date: March, 18
  • Room : D106
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  • Date: April, 01
  • Room : D106
  • Speaker: Romaric Gaudel (ENSAI CREST / LACODAM, Rennes)
  • Title: Recommendation as a sequential process
  • Abstract: The main track on Recommender Systems (RS) looks for the best next recommendation. At the  opposite, few papers take into account the fact  that a RS handles sequences of recommendations: it  recommends some items  to a user, it gathers the corresponding feedback, it recommends some  other items (to the same or another user), it gathers corresponding  feedback, etc. In my presentation I review a set of  approaches handling two consequences of that aspect of RS: (i) you can reduce computation time by relying on that sequence, (ii) you have to explore to get the best from your RS.

  • Date: April, 15
  • Room : D106
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  • Date: April, 29
  • Room : D106
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  • Date: May, 13
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  • Date: May, 27
  • Room : D106
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  • Date: June, 10
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  • Date: June, 24
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  • Date: July, 01
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  • Date: July, 15
  • Room : D106
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