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BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20191107T133000
DTEND;TZID=Europe/Paris:20191107T143000
DTSTAMP:20260519T161143
CREATED:20191022T132343Z
LAST-MODIFIED:20191022T132545Z
UID:8259-1573133400-1573137000@www.loria.fr
SUMMARY:Colloquium Loria par Damien Ernst et les réseaux électriques intelligents
DESCRIPTION:Titre : « Active Network Management for Distribution Networks » \nRésumé :\nDans cet exposé\, Damien Ernst décrira les défis de l’intégration des énergies renouvelables et de la gestion de la demande (deux composantes clés des micro-réseaux) dans les réseaux de distribution. Il nous expliquera pourquoi il est nécessaire de redéfinir les différentes étapes de la chaîne de décision pour la gestion de ces réseaux. Cette chaîne décisionnelle (informatique) se compose de quatre éléments : le choix du modèle d’interaction entre les différents acteurs du système électrique\, les décisions d’investissement\, la planification opérationnelle et le contrôle en temps réel. Il présentera ensuite les résultats obtenus dans le cadre de projets récents visant à optimiser globalement l’ensemble de la chaîne décisionnelle. \nN’hésitez pas à partager l’information autour de vous ainsi qu’à vos étudiants !\nLes personnes extérieures au laboratoire doivent s’inscrire auprès de annabelle.arena[@]loria.fr avant le mercredi 6 novembre. \nPlus \n  \n\n  \nTitle : ‘’Active Network Management for Distribution Networks’’ \nAbstract :\nIn this talk\, Damien Ernst will describe the challenges of integrating renewable energy and demand side management – two key components of microgrids – into Distribution Networks (DNs). He will argue that an integrated approach for redisigning the different steps of the decision chain for managing distribution network is needed. This decision chain is made of four elements: choice of the interaction model between the different actors of the electrical system\, investment decisions\, operational planning and real-time control. Afterwards\, he will present the results obtained within recent projets that are aimed at optimizing globally the full decision chain. \nShare this information around you !\nPeople who are not member of Loria has to register to annabelle.arena@loria.fr before Tuesday\, November 6th. \n  \nMore \n 
URL:https://www.loria.fr/event/colloquium-loria-par-damien-ernst-et-les-reseaux-electriques-intelligents/
CATEGORIES:Colloquium Loria
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20191108T133000
DTEND;TZID=Europe/Paris:20191108T163000
DTSTAMP:20260519T161143
CREATED:20191029T092850Z
LAST-MODIFIED:20191029T095348Z
UID:8490-1573219800-1573230600@www.loria.fr
SUMMARY:Soutenance de thèse - PhD Defense Joseph Lallemand
DESCRIPTION:Joseph Lallemand défendra sa thèse le vendredi 8 novembre à 13h30 dans la salle C005 en anglais. \nTitre : « Vote électronique : définitions et techniques d’analyse » \nMembres du jury:\n– Gilles Barthe (MPI Bochum)\n– Sandrine Blazy (Université de Rennes)\n– Karthikeyan Bhargavan (Inria)\n– Véronique Cortier (CNRS\, Loria)\n– Ralf Kuesters (Université de Stuttgart)\n– Christine Paulin (Université Paris-Sud)\n– Emmanuel Thomé (Inria\, Loria) \n  \n\nJoseph Lallemand will defend his PhD on Friday\, November 8 at 1:30 pm in room C005 in English. \nTitle: « Electronic Voting: Definitions and Analysis Techniques » \nJury:\n– Gilles Barthe (MPI Bochum)\n– Sandrine Blazy (University of Rennes)\n– Karthikeyan Bhargavan (Inria)\n– Véronique Cortier (CNRS\, Loria)\n– Ralf Kuesters (University of Stuttgart)\n– Christine Paulin (University Paris-Sud)\n– Emmanuel Thomé (Inria\, Loria) \n 
URL:https://www.loria.fr/event/soutenance-de-these-phd-defense-joseph-lallemand/
LOCATION:C005
CATEGORIES:Soutenance
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20191114T133000
DTEND;TZID=Europe/Paris:20191114T143000
DTSTAMP:20260519T161143
CREATED:20191104T154843Z
LAST-MODIFIED:20191104T160826Z
UID:8516-1573738200-1573741800@www.loria.fr
SUMMARY:D3 seminar: Vehicular Networks
DESCRIPTION:The next D3 seminar will take place on November 14th\, 13:30-14:30\, room B013. \nTitle : « Optimized resource management in Cognitive Radio Vehicular Networks with soft and hard reliability guarantees » by Nicola Cordeschi (Sapienza University of Rome) \n  \nAbstract: \nIn current vehicular networks\, the communication traffic flows typically generated by safety applications and routed in downlink over the available backbones are of burst-type\, presenting inter-arrival gaps of non-negligible time duration that can be opportunistically exploited by Vehicular Clients (VCs). Recent studies about the mobile computation offloading in real-life cloud-assisted scenarios point out that the usage of WiFi-based traffic offloading in place of 3G-assisted one may reduce the average energy consumption of current smartphones of about 55%. \nIn this seminar\, we focus on primary–secondary user resource-management controllers in cognitive radio (CR) vehicular networks\, for Vehicle-to-Infrastructure (V2I) based access scenario\, under hard and soft collision constraints\, where VCs equipped with heterogeneous CR-capabilities and energy budgets (playing the role of secondary users) opportunistically exploit the time and frequency holes of the traffic flow generated by the Service Provider\, and compete for acceding to the serving Roadside Units (RSUs) (the primary user of the Internet backbone)\, through WiFi connections. These bandwidth-demanding applications are expected to have a significant impact on the commercial success of Vehicular Communication (VC) and will contribute to accelerate its implementation and deployment. We will discuss the twofold objective of this kind of networks\, i.e. the joint maximization of the aggregate access goodput of the overall network and the average per-client access rates. One of the problems of conventional approaches is that\, even if they fulfill the collision probability constraints\, they may incur in quite long transients\, where the instantaneous collision-rate is definitely too high\, completely destroying the information. \nWe discuss and compare MAC strategies able to take into account the energy budget\, the parameters and the specific fading phenomena of the vehicular wireless channels in the optimization framework\, so as to self-acquire context information about the currently available bandwidth-energy resources\, and quickly adapt to the mobility-induced changes of the state of the vehicular network\, even in the presence of intermittent Vehicular-to-Infrastructure connectivity. We discuss different families of controllers and derive theoretical results about their hierarchy of performances (throughput-gain\, performance bounds\, and not immediately intuitive situations where the more constrained controllers we propose do not present any optimality gap compared to more standard less reliable approaches). After discussing conditions of applicability and advantages of each subclass\, we give some insight into probabilistic fairness constrained problems\, and controllers exploiting cognitive data-fusion techniques and fully distributed implementations able to adapt to unpredictable and abrupt changes of the network statistics\, without requiring any a priori knowledge of the vehicular traffic patterns. \n  \nBio: \nNicola Cordeschi received the PhD degree in Information and Communication Engineering from the Sapienza University of Rome in 2008. He received the master degree (summa cum laude) in Communication Engineering in 2004. His Ph.D. dissertation was on the adaptive QoS Transport of Multimedia over Wireless Connections via cross layer approaches based on the Calculus of Variations. He was Fellow Researcher with the DIET Dept.\, Sapienza University of Rome for ten years\, and Assistant Professor from 2009 to 2016 giving lectures in the topics of wireless communication\, modulation and digital communication\, signal processing\, coding and information theory. His research activity is focused on wireless communications and deals with the design and optimization of high-performance energy-efficient transmission systems for wireless multimedia applications\, distributed and scalable resource allocation and management for vehicular communications\, medium access control\, multi-antenna systems\, cross-layer optimization via the tools of convex optimization\, game theory and competitive optimality. \n 
URL:https://www.loria.fr/event/d3-seminar-vehicular-networks/
CATEGORIES:Séminaire
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20191114T133000
DTEND;TZID=Europe/Paris:20191114T180000
DTSTAMP:20260519T161143
CREATED:20191112T083832Z
LAST-MODIFIED:20191112T083903Z
UID:8581-1573738200-1573754400@www.loria.fr
SUMMARY:Sécurité et confiance dans les échanges des données de santé
DESCRIPTION:Le jeudi 14 novembre\, aura lieu à l’École de Chirurgie de Nancy\, la journée de la Fédération Charles Hermite consacrée à la sécurité et la confiance dans les échanges des données de santé. \nProgramme\n13h30-13h45 : Accueil – présentation de la journée\n13h45-14h30 : « Le cadre réglementaire de l’accès aux données de santé (entrepôts et\nrecherches)»\, Mme A. Vidal\, CNIL\n14h30-15h30 : « Protection des images médicales (2D/3D) : insertion de données cachées\, chiffrement sélectif et partage de secret »\, Pr W. Puech\, LIRMM Montpellier\n15h30-15h50 : Pause café\n15h50-16h20 : « Conformité et sécurité des traitements de données de santé »\, Dr Renato\nBrasselet\, PULSY (ex GCS Télésanté Lorraine)\n16h20-16h50 : « Scuba une chaîne d’outils pour la sécurité des objets connectés »\, Pr A. Lahmadi\, équipe RESIST\, LORIA\n16h50-17h45 : Visite école de chirurgie incluant démo plateforme de télémédecine MedVC issue du projet européen HIPERMED (CRAN) et conclusion de la journée. \nL’inscription est gratuite\, merci cependant de confirmer votre participation par mail à nathalie.benito@univ-lorraine.fr. \nLieu :\nÉcole de Chirurgie de Nancy\, (Faculté de Médecine – Bât D – 2ème étage) \nComité d’organisation\nJ-M Moureaux (CRAN)\nS. Mézières (IECL)\nN. Jay (CHRU Nancy\, LORIA) R. Lhoste (LORIA) \n 
URL:https://www.loria.fr/event/securite-et-confiance-dans-les-echanges-des-donnees-de-sante/
CATEGORIES:Séminaire
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20191114T140000
DTEND;TZID=Europe/Paris:20191114T180000
DTSTAMP:20260519T161143
CREATED:20191108T154715Z
LAST-MODIFIED:20191108T155448Z
UID:8576-1573740000-1573754400@www.loria.fr
SUMMARY:Soutenance de thèse - Ph.D. defense Amélie Aussel
DESCRIPTION:Title: « Computational modeling of healthy and epileptic hippocampal oscillations » \n  \nMembers of the jury :\n– Daniel Wojcik (Nencki Institute\, Warsaw\, Poland)\, Rapporteur\n– Régine Le Bouquin Jeannès (LTSI\, Université Rennes 1)\, Rapporteur\n– Boris Gutkin (LNC2\, ENS Paris)\, Examinateur\n– Patrick Hénaff (Loria\, Université de Lorraine\, Nancy)\, Examinateur\n– Laure Buhry (Loria\, Université de Lorraine\, Nancy)\, Co-directrice de thèse\n– Radu Ranta (CRAN\, Université de Lorraine\, Nancy)\, Directeur de thèse\n– Louise Tyvaert (CRAN\, CHRU Nancy)\, Invitée \n  \nAbstract : \nThe hippocampus can exhibit different oscillatory rhythms within the sleep-wake cycle\, each of them being involved in cognitive processes. For example\, theta-nested gamma oscillations\, consisting of the coupling of theta and gamma rhythms\, are produced during wakefulness and are associated with spatial navigation and working memory tasks\, whereas sharp-wave-ripple complexes\, consisting of fast oscillatory events occurring during low frequency waves\, are produced during slow-wave sleep and quiet waking and play an important role in memory consolidation. Models exist to reproduce and explain the generation of each of these rhythms\, yet the mechanisms involved in their generation and the transitions between them are not yet fully understood. \nThis question is all the more important that altered hippocampal rhythms are involved in drug-resistant mesial temporal lobe epilepsy\, a common form of epilepsy which cannot be controlled by existing pharmaceutical treatments. Some models have also been previously developed to reproduce epileptic seizures (episodes of excessive neural activity) or interictal discharges (brief peaks of synchronous activity)\, but these models cannot fully explain the links between neuropathological conditions of the hippocampus\, physiological processes such as the sleep-wake cycle\, and the resulting oscillations. \nIn this context\, the main objective of this thesis is to provide better understanding of various hippocampal oscillations\, both physiological and pathological. \nTo do so\, we first design a full computational model of the healthy hippocampal formation including the entorhinal cortex\, the dentate gyrus and the CA3 and CA1 regions. This model includes more than thirty thousand Hodgkin-Huxley point neurons\, reprensented by tens of thousands differential equations to be solved numerically\, as well as an estimation of the extracellular potentials (LFP) generated by the dipolar neurons as measured by a macroscopic electrode\, so as to be more easily interpretable. We perform a thorough study of our model’s activity based on design of experiments techniques to identify the role of each of its intrinsic parameters and the importance of input stimulation in the production coupled oscillatory outputs. \nWe then evaluate our model in a realistic context : its activity under realistic input stimulation is compared with intracranial recordings obtained in epileptic patients. We demonstrate that our model is able to reproduce both sleep and wakefulness oscillations with temporal and frequential similarities with the clinically measured signals. We link the modification of some parameters of the model (synaptic gains and ion channel conductances) with cholinergic modulation\, and show how single neuron dynamics are mostly responsible for the frequency of slow oscillations of our network\, while network functional connectivity controls its fast oscillations. \nFinally\, we detail our model further to include four pathological modifications of the hippocampus seen in mesial temporal lobe epilepsies\, that is hippocampal sclerosis\, mossy fiber sprouting\, and impaired potassium and chloride dynamics in pyramidal neurons (which are modeled by changing the network connectivity or the parameters of individual neuron dynamics)\, and show how these mechanisms can interact with the previously described sleep-wake cycle and lead to pathological synchrony and rhythms such as seizures\, interictal spikes and fast ripples. \nIn conclusion\, we propose in this thesis a unique model of the hippocampus regrouping many mechanisms previously described in separate works\, and analyze its oscillatory activity as we vary different parameters representing either structural or functional properties of the network\, as well as pathological modifications observed in epilepsy. Our results provide new insights into the mechanisms underlying the generation of various hippocampal oscillations\, which could open the way to future clinical applications.
URL:https://www.loria.fr/event/soutenance-de-these-ph-d-defense-amelie-aussel/
LOCATION:A008
CATEGORIES:Soutenance
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20191115T103000
DTEND;TZID=Europe/Paris:20191115T113000
DTSTAMP:20260519T161143
CREATED:20191112T151122Z
LAST-MODIFIED:20191112T151127Z
UID:8588-1573813800-1573817400@www.loria.fr
SUMMARY:D3 and D5 Seminar with Danielle Palosi (ETH Zurich)
DESCRIPTION:November\, Friday 15th at 10.30 am in room C005\,  Daniele Palossi from the ETH Zurich will give a talk for the in joint D3-D5 seminar. The general topic will be how to run a convolutionnal neural network on a tiny quadcopter (10cm / 27g) using a new kind of CPU architecture (PULP). The exact title of her talk is : PULP-DroNet: Open Source and Open Hardware Artificial Intelligence for Fully Autonomous Navigation on Nano-UAVs\n\nAfter the seminar\, Daniele will try to setup a demo in the “creativ’lab” arena (bat. C).\n\nAbstract: \n\nNano-size unmanned aerial vehicles (UAVs)\, with few centimeters of diameter and sub-10 Watts of total power budget\, have so far been considered incapable of running sophisticated visual-based autonomous navigation software without external aid from base-stations\, ad-hoc local positioning infrastructure\, and powerful external computation servers.\n\nIn this talk\, we present what is\, to the best of our knowledge\, the first 27g nano-UAV system able to run aboard an end-to-end\, closed-loop visual pipeline for autonomous navigation based on a state-of-the-art deep-learning algorithm\, built upon the open-source Crazyflie 2.0 nano-quadrotor. Our visual navigation engine is enabled by the combination of an ultra-low power computing device (the GAP8 system-on-chip) with a novel methodology for the deployment of deep convolutional neural networks (CNNs). We enable onboard real-time execution of the DroNet state-of-the-art deep CNN at 6 frame-per-second within 64mW and up to 18fps while still consuming on average just 3.5% of the power envelope of the deployed nano-aircraft. Field experiments demonstrate that the system’s high responsiveness prevents collisions with unexpected dynamic obstacles up to a flight speed of 1.5m/s. In addition\, we also demonstrate the capability of our visual navigation engine of fully autonomous indoor navigation on a 113m previously unseen path.
URL:https://www.loria.fr/event/d3-and-d5-seminar-with-danielle-palosi-eth-zurich/
CATEGORIES:Séminaire
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20191121T083000
DTEND;TZID=Europe/Paris:20191121T170000
DTSTAMP:20260519T161143
CREATED:20191104T144910Z
LAST-MODIFIED:20191105T093331Z
UID:8503-1574325000-1574355600@www.loria.fr
SUMMARY:Forum IA Santé au CHU
DESCRIPTION:Le prochain forum « IA et Hôpital\, de la fiction à la réalité » organisé par le CHU en présence de Cédric Villani aura lieu le 21 novembre au centre Prouvé. \nJean-Yves Marion\, directeur du Loria\, fera un exposé intitulé « Cybersécurité\, quel est l’état de santé des hôpitaux » de 14h30 à 15h00. \nInscriptions obligatoires à intelligence.artificielle(@)chru-nancy.fr\n(enlever les parenthèses). \nProgramme complet de l’événement. \n  \n 
URL:https://www.loria.fr/event/forum-ia-sante-au-chu/
LOCATION:Centre des congrès Prouvé – Nancy\, 1 Place de la République\, Nancy\, 54000\, France
CATEGORIES:Conférence
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20191128T080000
DTEND;TZID=Europe/Paris:20191128T100000
DTSTAMP:20260519T161143
CREATED:20191001T140019Z
LAST-MODIFIED:20191105T082611Z
UID:8142-1574928000-1574935200@www.loria.fr
SUMMARY:Petit-déjeuner IA : TAL & Big Data
DESCRIPTION:Petit-déjeuner « IA: TAL & Big Data » de rencontre entre scientifiques et acteurs économiques de 8h00 à 10h00.\n\n\nLes objectifs: \n\n– faire connaître les besoins et les défis des entreprises auprès des scientifiques\,\n– faire connaître les recherches académiques pouvant apporter des solutions aux entreprises\,\n– promouvoir éventuellement des talents scientifiques en recherche d’emploi.\n\n\n\nProgramme prévisionnel \n\n\n\n8h – Enregistrement/Accueil\n8h10 – Table ronde\n\nGaspard Bergeret (Agoraa)/équipe Kiwi\nAnna Liednikova (ALIAE/équipe Synalp)\nPhilippe Kalitine (Lingrim- foreign language learning)/équipe Multispeech\nSlim Ouni (LORIA\, équipe Multispeech) – Démo de Dynalips\n\n\n8h45 – Discussion et réseautage\n\n\n\n\nInscription obligatoire jusqu’au 20 novembre.\n\nContact : Aurore Coince\, aurore.coince(@)univ-lorraine.fr (enlever les parenthèses). \n\n 
URL:https://www.loria.fr/event/petit-dejeuner-ia-tal-big-data/
CATEGORIES:Manifestation
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20191128T133000
DTEND;TZID=Europe/Paris:20191128T143000
DTSTAMP:20260519T161143
CREATED:20191114T091929Z
LAST-MODIFIED:20191114T091955Z
UID:8605-1574947800-1574951400@www.loria.fr
SUMMARY:Séminaire SSL par Ralf Sasse
DESCRIPTION:Le prochain exposé du séminaire SSL aura lieu jeudi 28 novembre à 13h30\, salle A008. L’orateur sera Ralf Sasse\, de l’ETH Zurich. \n  \nTitle: Seems Legit: Automated Analysis of Subtle Attacks on Protocols that Use Signatures (joint work with Dennis Jackson\, Cas Cremers\, Katriel Cohn-Gordon) \n  \nAbstract: \nThe standard definition of security for digital signatures — existential unforgeability — does not ensure certain properties that protocol designers might expect. For example\, in many modern signature schemes\, one signature may verify against multiple distinct public keys. It is left to protocol designers to ensure that the absence of these properties does not lead to attacks. \nModern automated protocol analysis tools are able to provably exclude large classes of attacks on complex real-world protocols such as TLS 1.3 and 5G. However\, their abstraction of signatures (implicitly) assumes much more than existential unforgeability\, thereby missing several classes of practical attacks. \nWe give a hierarchy of new formal models for signature schemes that captures these subtleties\, and thereby allows us to analyse (often unexpected) behaviours of real-world protocols that were previously out of reach of symbolic analysis. We implement our models in the Tamarin Prover\, yielding the first way to perform these analyses automatically\, and validate them on several case studies. In the process\, we find new attacks on\nDRKey and SOAP’s WS-Security\, both protocols which were previously proven secure in traditional symbolic models. \n  \nLa suite du programme sera prochainement annoncée\, et sera également disponible en ligne au fur et à mesure sur seminaire-securite.loria.fr. \n 
URL:https://www.loria.fr/event/seminaire-ssl-par-ralf-sasse/
LOCATION:A008
CATEGORIES:Séminaire
END:VEVENT
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