Activities

Oct 2020

23 Oct

All-day Workshop LINCS-SystemX

23/10/2020    
9:00 am-5:00 pm
Baccelli, Bassi, Benjemaa, Desoblin, Hajri, Kofman, Noirie, Potop-Butucaru, Singh, Toumi
A one-day collaborative workshop gathering researchers from LINCS and engineers from SystemX who will share their ongoing research to consolidate joint R&D activities, to create [...]
21 Oct

Seminar Presentation by a new LINCS associate member "Multi-Tenant Resource Allocation at the Network Edge"

21/10/2020    
2:00 pm-3:00 pm
Andrea Araldo
Edge Computing (EC) is a network paradigm in which computational resources, e.g., CPU, memory, are distributed in the access networks, close to the final users. [...]
14 Oct

Seminar Presentation by a new LINCS associate member "Performance Benchmarking of State-of-the-Art Software Switches for NFV"

14/10/2020    
2:00 pm-3:00 pm
Tianzhu Zhang
With the goal of replacing proprietary hardware appliances with Virtual Network Functions (VNFs) implemented in software, Network Function Virtualization (NFV) has gained popularity in the [...]
14 Oct

Iterators: A Simple Tool to Browse Objects in Python

Iterators are simple tools to browse objects in Python. They define a unique interface called iteration protocol, that enables to decorrelate the objects that contain [...]
12 Oct

Thesis defense "FabLabs, a global and growing network of collaborative organizations: an analysis of intra and inter-organizational coordination modes"

12/10/2020    
2:00 pm-5:00 pm
Constance Garnier
This thesis contributes to the understanding of the organizational phenomenon of FabLabs, which aims to democratize personal digital manufacturing and promote knowledge sharing. To this [...]
08 Oct

Thesis Defense "Governing the Commons in Blockchains"

08/10/2020    
3:00 pm-6:00 pm
Yackolley Amoussou-Guenou
Blockchains are one of most appealing technologies over the last years, both for scientists and for the general public. Blockchains are distributed ledgers that aim [...]
07 Oct

"CoronaSurveys: Using Indirect Reporting to Estimate the Incidence of Epidemics"

07/10/2020    
2:00 pm-3:00 pm
Antonio Fernández Anta
The world is suffering from a pandemic called COVID-19, caused by the SARS-CoV-2 virus. National governments have problems evaluating the reach of the epidemic, due [...]
07 Oct

Zap Stochastic Approximation and Reinforcement Learning

07/10/2020    
11:00 am-12:00 pm
François Durand
Many reinforcement learning problems can be seen from the point of view of stochastic approximation. Unfortunately, classic stochastic approximation algorithms, such as Robbins-Monro, may have [...]

Sep 2020

23 Sep

Seminar Presentation by a new LINCS associate member "On the inference of high-speed networks’ behavior via Machine Learning"

23/09/2020    
2:00 pm-3:00 pm
Leonardo Linguaglossa
Network Function Virtualization (NFV) is a novel trend in IT networks which advocates replacing hardware middleboxes with equivalent pieces of code executed on general-purpose servers. [...]
23 Sep

Dictionaries

23/09/2020    
11:00 am-12:00 pm
François Durand
In this second session about collections, I will talk about dictionaries and their main subclasses: OrderedDict, defaultdict, Counter and ChainMap.
22 Sep

Thesis defense: "Algorithmic and Software Contributions to Graph Mining"

22/09/2020    
9:00 am-1:00 pm
Nathan De Lara
Since the introduction of Google’s Page Rank method for Web searches in the late 1990s, graph algorithms have been part of our daily lives. In [...]
16 Sep

Seminar presentation "Nash equilibrium structure of a class of spatial competition games"

16/09/2020    
2:00 pm-3:00 pm
François Baccelli
We study an N-player game where a pure action of each player is to select a non-negative function on a Polish space supporting a finite [...]
16 Sep

Collections in Python

16/09/2020    
11:00 am-12:00 pm
François Durand
I will talk about collections in Python. Sets: set, frozenset. Sequences: tuple, named tuples, list, deque (we will just mention str and bytes). Mappings: dict, [...]
14 Sep

Thesis defense : "Malliavin calculus and Dirichlet structures for independent random variables"

14/09/2020    
2:00 pm-5:00 pm
Hélène Halconruy
In a pioneer work from 1976, Paul Malliavin lays the foundations for an infinite-dimensional stochastic calculus of variations. Initially developed on the Wiener space, the [...]
09 Sep

Interns' talks: (1) Monitoring as a service for IoT networks and (2) Structured and interactive summarization

09/09/2020    
2:00 pm-3:00 pm
Pooneh Mokariasl & Mélanie Cambus
Two interns from LINCS will present their works at this LINCS seminar: 1) Pooneh Mokariasl (Nokia Bell Labs / Sorbonne Université): Monitoring as a service [...]
09 Sep

Quantum Internet

09/09/2020    
11:00 am-12:00 pm
Ludovic Noirie
IRTF is the research part of the IETF, producing Internet Drafts and Requests For Comments on topics that are still in the research phase. The [...]

Jul 2020

15 Jul

Contact process on point processes, part II

15/07/2020    
11:00 am-12:00 pm
François Baccelli
I will first review some results on the contact process on graphs. I will then describe ongoing research on this type of dynamics on random [...]
01 Jul

"Clean Code" from Robert Martin

01/07/2020    
11:00 am-12:00 pm
Élie de Panafieu
What is the difference between "good" and "bad" code? What gain is there to expect from turning to clean code? I know how to code [...]

Jun 2020

25 Jun

Models and Solutions of Strategic Resource Allocation Problems: Approximate Equilibrium and Online Learning in Blotto Games

25/06/2020    
2:00 pm-4:00 pm
Dong Quan VU
In this thesis, we investigate resource allocation games, broadly defined as resource allocation problems involving interactions between competitive decision makers. We primarily focus on the [...]
24 Jun

Contact process on point processes, part I

24/06/2020    
11:00 am-12:00 pm
François Baccelli
I will first review some results on the contact process on graphs. I will then describe ongoing research on this type of dynamics on random [...]
17 Jun

Characterizing the Expressive Power of Invariant and Equivariant Graph Neural Networks

17/06/2020    
2:00 pm-3:00 pm
Marc Lelarge
Various classes of Graph Neural Networks (GNN) have been proposed and shown to be successful in a wide range of applications with graph structured data. [...]
17 Jun

Introduction to Pygame

17/06/2020    
11:00 am-12:00 pm
François Durand
Pygame is a Python package that wraps the SDL library. SDL (Simple DirectMedia Layer) is a cross-platform development library written in C, designed to provide [...]
10 Jun

Gismo: a Generic Information Search... with a Mind of its Own!

10/06/2020    
2:00 pm-3:00 pm
Fabien Mathieu
Searching for documents is a task that everyone faces on a regular basis, especially when looking for a relevant Internet page, an e-mail, or a [...]
10 Jun

A Mathematical Theory of Communication: Discrete Noiseless Systems

10/06/2020    
11:00 am-12:00 pm
Fabien Mathieu
In 1948 Shannon published the article that defines modern information theory. For this reading group, we will present the first part of the article, which [...]
03 Jun

IoT Network Control and Management

03/06/2020    
2:00 pm-3:00 pm
Ludovic Noirie
Internet of Things (IoT) devices are increasingly present in our lives. This plethora of devices creates a need to manage them easily, transparently and quickly [...]
03 Jun

Input, Output, and the Internet: Part II

03/06/2020    
11:00 am-12:00 pm
Fabien Mathieu
Python offers a lot of tools to easily deal with local and Internet files. We will present a selection of these tools illustrated with nice [...]

May 2020

27 May

Beam management in 5G

27/05/2020    
3:00 pm-4:00 pm
Sanket Kalamkar
Beam management is central in the operation of dense 5G cellular networks. Focusing the energy radiated to mobile terminals (MTs) by increasing the number of [...]
27 May

Support-vector networks

27/05/2020    
11:00 am-12:00 pm
Anastasios Giovanidis
Cortes, C., Vapnik, V. Support-vector networks. Mach Learn 20, 273–297 (1995). https://doi.org/10.1007/BF00994018 . Abstract of the paper: "The support-vector network is a new leaming machine [...]
20 May

Input, Output, and the Internet: Part I

20/05/2020    
11:00 am-12:00 pm
Fabien Mathieu
Python offers a lot of tools to easily deal with local and Internet files. We will present a selection of these tools illustrated with nice [...]

Mar 2020

12 Mar

Thesis Defense : Resource allocation and optimization for the non-orthogonal multiple access

12/03/2020    
2:00 pm-4:00 pm
Lou Salaün
Non-orthogonal multiple access (NOMA) is a promising technology to increase the spectral efficiency and enable massive connectivity in future wireless networks. In contrast to orthogonal [...]
11 Mar

Comparing the modelling powers of RNN and HMM

11/03/2020    
2:00 pm-3:00 pm
Achille Salaün
Recurrent Neural Networks (RNN) and Hidden Markov Models (HMM) are popular models for processing sequential data and have found many applications such as speech recognition, time [...]
11 Mar

Introduction to PyTorch

11/03/2020    
11:00 am-12:00 pm
Léo Laugier
Join us on for an introduction to PyTorch! Learn how to use it for machine learning purposes, and why it is useful for deep learning [...]
06 Mar

Thesis Defense : Autonomous IoT device type identification

06/03/2020    
10:00 am-12:00 pm
Nesrine Ammar
With the proliferation of smart devices, more and more people buy IP devices and home appliances to benefit from new services, allowing them to control [...]
04 Mar

Log Analysis via Space-time Pattern Matching

04/03/2020    
2:00 pm-3:00 pm
Marc-Olivier Buob
The increasing number of machines and technologies involved in existing infrastructures and networks hardens their management. Even if many monitoring solutions help to detect a [...]
04 Mar

Rare geometries: revealing rare categories via dimension-driven statistics

04/03/2020    
11:00 am-12:00 pm
Achille Salaün
In many situations, classes of data points of primary interest also happen to be those that are least numerous. A well-known example is detection of [...]

Feb 2020

26 Feb

Converting Python plots to tikz with tikzplotlib

26/02/2020    
4:00 pm-4:10 pm
Fabien Mathieu
Short presentation of tikzplotlib. Example.
26 Feb

Abstract Classes in Python

26/02/2020    
3:00 pm-4:00 pm
Edouard Pineau
An abstract class can be considered as a blueprint for other classes. It allows you to create a set of methods that must be created [...]
26 Feb

Beam Based Operations in 5G NR Rel-15

26/02/2020    
2:00 pm-3:00 pm
Fuad Abinader
Deploying cellular networks in millimeter wave (mmWave) frequencies require coping with rapid channel variations and severe free-space pathloss and atmospheric absorption. In order to make [...]
19 Feb

Collaboration and Innovation in an International Science and Engineering Competition

19/02/2020    
2:00 pm-3:00 pm
Marc Santolini
In this talk, we will present our recent work investigating criteria of performance and success of teams in a scientific context using a quantitative approach. [...]
19 Feb

Asymptotics for Euclidean minimal spanning trees on random points

19/02/2020    
11:00 am-12:00 pm
Bharath Roy Choudhury
I will present the main ideas of the paper "Asymptotics for Euclidean minimal spanning trees on random points" by David Aldous and J. Michael Steele. [...]
12 Feb

Insights from heterogeneous random walks: from theory to applications

12/02/2020    
2:00 pm-3:00 pm
Liubov Tupikina
First I will introduce our model, heterogeneous continuous time random walk (HCTRW) model as a versatile analytical formalism for studying and modeling diffusion processes in [...]
12 Feb

Crawling the web with Scrapy

12/02/2020    
11:00 am-12:00 pm
Quentin Lutz
Scrapy is a Python-based tool for the collection of data from webpages which can be used either within Python code or in a stand-alone fashion [...]
05 Feb

Diamond-Miner: Comprehensive Discovery of the Internet’s Topology Diamonds

05/02/2020    
2:00 pm-3:00 pm
Kévin Vermeulen
(NSDI preview) Despite the well-known existence of load-balanced forwarding paths in the Internet, current Internet-wide active topology mapping efforts are multipath agnostic – largely because of the probing [...]
05 Feb

Propagation of chaos in discrete-time Replica Mean Field models

05/02/2020    
11:00 am-12:00 pm
Michel Davydov
Replica mean-field (RMF) models have been introduced in various fields (biological neural networks, telecommunication networks) to study limit behaviors in models whilst preserving the finite-size [...]

Jan 2020

30 Jan

Thesis Defense : Full-Duplex for Cellular Networks: A Stochastic Geometry Approach

30/01/2020    
2:00 pm-4:00 pm
Felipe Arrano
English Version: Full-duplex (FD) is a principle in which a transceiver can receive and transmit on the same time-frequency radio resource. The principle was long [...]
29 Jan

BandWidth Part (BWP): A 5G feature for improving spectrum flexibility and power savings

29/01/2020    
2:00 pm-3:00 pm
Andrea Marcano
Bandwidth Part (BWP) is a feature introduced in 3GPP Release 15 as part of the standard for 5G New Radio (NR). The introduction of BWPs [...]
29 Jan

Testing in Python

29/01/2020    
11:00 am-12:00 pm
François Durand
Testing enables you to quickly detect when you break something in your code. Python has very convenient tools to do it, such as Doctest and [...]
22 Jan

Mutual Information Neural Estimation

22/01/2020    
11:00 am-12:00 pm
Édouard Pineau
Reference: Mutual Information Neural Estimation, Belghazi et al. , 2018. The mutual information (MI) of two random variables is a measure of the mutual dependence [...]
15 Jan

Reviewing code using Codecov

15/01/2020    
11:00 am-12:00 pm
Quentin Lutz
When developing a package, it is often stressed that tests play a crucial role in ensuring that your code works as intended. However, one may [...]
08 Jan

Spatial Birth-And-Death Wireless Networks

08/01/2020    
11:00 am-12:00 pm
Pierre Popineau
Reference: Spatial birth-and-death wireless networks, F. Baccelli et A. Sankararaman. Stochastic geometry can prove useful to model spatial stochastic systems. In this paper, Baccelli and [...]

Dec 2019

18 Dec

Rewarding Miners: Bankruptcy games and Pooling Strategies

18/12/2019    
2:00 pm-3:00 pm
Marianna Belotti
In the Bitcoin system, mining is the procedure through which miners can gain money on regular basis by finding solutions to a mathematical crypto puzzle [...]
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