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2:00 pm: PhD Seminars - Welcome event

2:00 pm: PhD Seminars I

Talk 1

Talk 2

Here we are: the team in charge of organizing the PhD Seminars!

Louisiane LEMAIRE – communication & diffusion

Timothée O’DONNEL – schedule and communication

Halgurd TAHER – website and iris group management, participation lists and certificate demands

Eleni Firippi
Ali Elarif
Evgenia Kartsaki
Amine Djebri
Christos Papageorgakis (2015 – 2016)
Konstantinos Mavreas (2015 – 2017)
Dora Karvouniari (2016 – 2017)
Nathalie Gayraud
Dimitra Politaki
Milica Tomasevic
Selma Souihel
Isa Costantini
Micheal Fell

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Upcoming Seminars
- 2:00 pm – 4:00 , octobre 26, 2020 – PhD Seminars I
Sujets d’intérêt
applied mathematics asteroid exploration biological systems brain combinatorial optimization communication conductivity estimation dynamic dynamics EEG fixed point loops fluid dynamics functional emmbeddings fusion plasmas Galerkin time domain methods git health-biology infection spread invariant manifolds mapping marketing mesh modeling nanophotonics networks networks-systems-distributed-computing neuronal cells numerical simulations optimal transport optimisation optimization pattern recognition PDE protein function radar applications regularization retina routing applications scientific dissemination sed shape matching source localization stochastic gradient algorithm variability workshop
Archives

12 2:00 pm: PhD Seminars - Welcome event octobre 12, 2020 2:00 – 4:00 For the new PhD students and not only, the Phd Seminars Welcome event will take place on Monday, October 12, 2020 at 14:00 in room Euler Violet. The event will include a short presentation of the PhD Seminars, Icebreak activities for all, a brainstorming session and details about the credits for the doctoral school. Dorian Mazauric will also be here to present the activities of "médiation scientifique" (the outreach of scientific culture in the society) at Inria. Due to the current situation we offer to join the seminars online. In order to join: - connect to https://visio.inria.fr (<login>@inria.fr) and "Meet" : phd.seminars.sop@visio.inria.fr (Note that the login is different from your email address.) Don’t miss it! More

26 2:00 pm: PhD Seminars I octobre 26, 2020 2:00 – 4:00 Talk 1 Speaker Vorakit VORAKITPHAN (Wimmics) Title Regrexit or not Regrexit: Introducing Aspect-based Sentiment Analysis in Polarized Contexts Abstract In this talk, an introduction of sentiment analysis task in Natural Language Processing (NLP) will be discussed how sentiment and emotions interplay in text-based analysis. Additionally, the more fine-grained of sentiment analysis in polarized contexts represents a challenge for NLP modeling. We present a methodology to extend the task of Aspect-based Sentiment Analysis (ABSA) toward the affect and emotion representation in polarized settings. In particular, we adopt the three-dimensional model of affect based on Valence, Arousal, and Dominance (VAD). We then present a Brexit scenario that proves how affect varies toward the same aspect when politically polarized stances are presented. Our approach captures aspect-based polarization from newspapers regarding the Brexit scenario of 1.2m entities at sentence-level. We demonstrated how basic constituents of emotions can be mapped to the VAD model, along with their interactions respecting the polarized context in ABSA settings using biased key-concepts (e.g., “stop brexit” vs. “support brexit”). Quite intriguingly, the framework achieves to produce coherent aspect evidences of Brexit’s stance from key-concepts, showing that VAD influence the support and opposition aspects. Talk 2 Speaker Carsten BRUNS (Kairos) Title Parallel performance on multicore processors Abstract We will have a detailed look at what determines the performance of parallel programs nowadays. Our investigation starts with classical issues (but I'll keep it short, promised!): Amdahl's law and Gustafson's law, work imbalance and synchronization/communication issues. We then advance to "modern" issues, which are caused not only by software limits, but rather by the hardware architecture on which a parallel program is executed. In particular, in multicore processors, some resources are shared between the individual processing cores. The cores are no longer independent but interfere with each other, on hardware level - before a single line of code is written. We will look at concrete examples for such interferences and (hopefully) get an idea of the many obstacles to achieve good parallel performance on modern computers. More