Activities

Nov 2018

21 Nov

Thesis Defense : Hyperfractals for the Modelling of Wireless Networks

We are on the verge of an industrial revolution that will make cities smarter, industries more efficient and people’s life easier. Urban communication will place [...]
19 Nov

Canopus: Scalable Consensus for Permissioned Blockchains

19/11/2018    
2:00 pm-3:00 pm
Srinivasan Keshav
A critical problem with the consensus protocols underlying blockchains is that they do not scale well. As the number of participants trying to achieve consensus [...]
14 Nov

The Forward-Backward Embedding of Directed Graphs

14/11/2018    
2:00 pm
Nathan De Lara
We introduce a novel embedding of directed graphs derived from the singular value decomposition (SVD) of the normalized adjacency matrix. Specifically, we show that, after [...]
12 Nov

A tutorial on hidden Markov models

12/11/2018    
10:30 am-12:00 pm
Achille Salaün
Achille Salaün will present a tutorial on Hidden Markov Models based on the reference: Lawrence R. Rabiner, A Tutorial on Hidden Markov Models and Selected Applications in [...]
07 Nov

Some Recent Advances on the Application of Game Theory to Networking

07/11/2018    
2:00 pm-3:00 pm
Ariel Orda
In the first part of the talk we shall consider game theory as a tool for analyzing and predicting the evolution of the Internet topology. [...]
05 Nov

Belief Propagation in Bayesian Networks

05/11/2018    
10:30 am-12:00 pm
Céline Comte
Céline Comte will present Belief Propagation in Bayesian Networks based on the two references: J. Pearl, Reverend Bayes on Inference Engines: A Distributed Hierarchical Approach. [...]

Oct 2018

24 Oct

Two new methods for graph classification

24/10/2018    
2:00 pm-3:00 pm
Edouard Pineau
Graph classification has recently received a lot of attention from various fields of machine learning e.g. kernel methods, sequential modeling or graph embedding. We address [...]
24 Oct

Some Architectural Considerations for Algorithms in Python

In this talk, we address a very common and practical question for the programmer: what should be the general architecture of our code? In particular, [...]
17 Oct

The Physics of Spectral Graph Embedding

17/10/2018    
2:00 pm-3:00 pm
Thomas Bonald
Learning from data strutured as a graph usually requires to embed this graph in some vector space of low dimension. The most popular technique relies [...]
10 Oct

The Roaming Edge

10/10/2018    
2:00 pm-3:00 pm
Prof. Suman Banerjee
Edge computing provides a new way to implement services with many unique advantages. While many edge computing solutions have been implemented within different network infrastructures, [...]
08 Oct

Finding structure with randomness: Probabilistic algorithms for constructing approximate matrix decompositions

08/10/2018    
10:30 am-12:00 pm
Nathan de Lara
Nathan de Lara will present the article Halko, N., Martinsson, P. G., & Tropp, J. A. (2011). Finding structure with randomness: Probabilistic algorithms for constructing [...]
03 Oct

Of Kernels and Queues: when network calculus meets analytic combinatorics

03/10/2018    
2:00 pm-3:00 pm
Elie De Panafieu, Céline Comte, Fabien Mathieu
Stochastic network calculus is a tool for computing error bounds on the performance of queueing systems. However, deriving accurate bounds for networks consisting of several [...]

Sep 2018

26 Sep

Irrational Agents and the Power Grid

26/09/2018    
2:00 pm-3:00 pm
Prof. Sean Meyn
For decades power systems academics have proclaimed the need for real time prices to create a more efficient grid. The rationale is economics 101: proper [...]
24 Sep

Convex Optimization and Duality

24/09/2018    
10:30 am-12:00 pm
François Durand
The talk is based on the Online Course Convex Optimization by Stephen Boyd and the Book Convex Optimization by Stephen Boyd and Lieven Vandenberghe. Slides [...]
19 Sep

Regular Inference on Artificial Neural Networks

19/09/2018    
2:00 pm-3:00 pm
Franz Mayr
This lecture explores the general problem of explaining the behavior of Artificial Neural Networks (ANN). The goal is to construct a representation which enhances human [...]
12 Sep

Asymptotic Optimal Control of Markov-Modulated Restless Bandits

12/09/2018    
2:00 pm-3:00 pm
Santiago Duran
In this talk we will discuss optimal control subject to changing conditions (a changing environment). This is an area that recently received a lot of [...]
10 Sep

JiT acceleration in Python: introduction to Numba

10/09/2018    
10:30 am-12:00 pm
Fabien Mathieu
This tutorial will explain how to easily turn slow Python into fast Python with the numba package. Speed up of X2000 will be demonstrated on [...]

Aug 2018

29 Aug

Protecting privacy in dynamic decision making

29/08/2018    
2:00 pm-3:00 pm
Kuang XU
Motivated by the increasing ubiquity of large-scale data collection infrastructures, we investigate how to protect sensitive information in dynamic resource allocation problems. The central question [...]
02 Aug

On Network Connectivity for Distributed Machine Learning

02/08/2018    
2:00 pm-3:00 pm
Giovanni Neglia
Abstract: Many learning problems are formulated as minimization of some loss function on a training set of examples. Distributed gradient methods on a cluster are [...]

Jun 2018

27 Jun

In the wild Sensing for Smarter Cities and Healthcare

27/06/2018    
2:00 pm-3:00 pm
Prof Jain
Modern cities are alive with sensors, such as smartphones, wearables, vehicles, and cameras. Realizing our plans for smart environments of the future necessitates a radical [...]
19 Jun

2018 LINCS Workshop

19/06/2018-20/06/2018    
12:00 am
various
Workshop LINCS and its Scientific Committee June 19th and 20th, 2018 LINCS  -  23 avenue d’Italie, 4th floor – 75013 Paris Agenda June 19th Welcome [...]
07 Jun

On the notion of Dimension of Unimodular Random Graphs

07/06/2018    
2:00 pm
Mir-Omid Haji-Mirsadeghi
In this talk we will define notions of dimension on unimodular random graphs. The key point in this definition is unimodularity which is used indispensably [...]
06 Jun

On Mapping the Interconnections in Today’s Internet

06/06/2018    
2:00 pm-3:00 pm
Reza Rejaie
Internet interconnections are the means by which networks exchange traffic between one another. These interconnections are typically established in facilities that have known geographic locations, [...]

May 2018

23 May

Machine Learning approaches for Computer Vision applications

23/05/2018    
2:00 pm-3:00 pm
Alexandros Iosifidis
Machine Learning, as the most successful paradigm of Artificial Intelligence to date, has shown its great potential in restructuring all aspects in our everyday life, [...]
14 May

Online influence maximization

14/05/2018    
5:00 pm-5:30 pm
Michal Valko
We will talk about the online influence maximization problem in social networks under the independent cascade model. Specifically, we aim to learn the set of [...]
14 May

Topic detection and classification in Twitter

14/05/2018    
4:30 pm-5:00 pm
Dimitrios Milioris
In this talk we introduce a novel information propagation method in Twitter, while maintaining a low computational complexity. The proposed method first employs Joint Complexity, [...]
14 May

On finding dense subgraphs and events in social media

14/05/2018    
4:00 pm-4:30 pm
Oana Balalau
Social media contain information shared by hundreds of millions of users across the world and provide one of the richest dataset created by human activity. [...]
14 May

Hierarchical clustering: Objective functions and algorithms

14/05/2018    
3:00 pm-3:30 pm
Vincent Cohen-Addad
Hierarchical clustering is a recursive partitioning of a dataset into clusters at an increasingly finer granularity. Motivated by the fact that most work on hierarchical [...]
14 May

On graph reconstruction via empirical risk minimization

14/05/2018    
2:30 pm-3:00 pm
Stephan Clémençon
The problem of predicting connections between a set of data points finds many applications, in systems biology and social network analysis among others. We focus [...]
14 May

Building and exploiting large graphs connecting images

14/05/2018    
2:00 pm-2:30 pm
Matthiijs Douze
In this talk, I will present recent works on large-scale similarity search, and show that it is possible to build a graph connecting up to [...]
14 May

Modularity for soft-graph clustering

14/05/2018    
12:00 pm-12:30 pm
Alexandre Hollocou
Clustering is a central problem in machine learning for which graph-based approaches have proven their efficiency. In this paper, we study a relaxation of the [...]
14 May

The many facets of community detection

14/05/2018    
11:30 am-12:00 pm
Renaud Lambiotte
In this talk, I will present a collection of results focusing on the presence of inhomogeneities in networks: from the detection of dense clusters (community [...]
14 May

On the Performance of a Canonical Labeling for Matching Correlated Erdos-Renyi Graphs

14/05/2018    
10:00 am-10:30 am
Matthias Grossglauser
Recent results have characterized the exact information-theoretic threshold for graph matching in correlated Erd?s-Rényi graphs. However, very little is known about the existence of efficient [...]
14 May

Analysis of temporal interactions with link streams

14/05/2018    
9:30 am-10:00 am
Matthieu Latapy
Money or data transfers, contacts between individuals, or product sales, may all be modeled as temporal interactions. Studying the structure and dynamics of interactions is [...]
14 May

Workshop on Graph Learning

14/05/2018    
All Day
Organized by T. Bonald, M. Lelarge, L. Massoulié
This workshop will bring together researchers from both industry and academia for presenting and discussing learning techniques from/with graphs, from both theoretical and practical perspectives. [...]

Apr 2018

12 Apr

Network fingerprinting: TTL-based router signatures

12/04/2018    
2:00 pm-3:00 pm
Benoit Donnet
Fingerprinting networking equipment has many potential applications and benefits in network management and security. More generally, it is useful for the understanding of network structures [...]
11 Apr

Open Web Proxies: analysis, threats and opportunities

11/04/2018    
2:00 pm-3:00 pm
Diego Perrino
Open web proxies promise anonymity and censorship circumvention at no cost. Several websites publish lists of free proxies organized by country, anonymity level, and performance. [...]
09 Apr

The Cascade-Correlation Learning Architecture

09/04/2018    
10:30 am-12:00 pm
Marc-Olivier Buob
Marc-Olivier Buob will present a paper of Scott E. Fahlman and Christian Lebiere about The Cascade-Correlation Learning Architecture, August 29, 1991 CMU-CS-90-100
04 Apr

Vehicular networks in hyperfractal setup

04/04/2018    
2:00 pm
Dalia Popescu
Confinement of human settlement in areas limited in size is the foundation of the long-standing Central Place Theory which assumes the existence of regular spatial [...]

Mar 2018

28 Mar

User-Centric Personal Data Analytics on the Edge

28/03/2018    
2:00 pm-3:00 pm
Hamed Haddadi
 Abstract: In this talk, I present our ongoing work on utilising edge-computing to improve the scalability and privacy of user-centred analytics in the context of [...]
26 Mar

Ergodic control and polyhedral approaches to PageRank optimization

26/03/2018    
10:30 am-12:00 pm
Anastasios Giovanidis
In this session of the reading group, Anastasios Giovanidis will present the paper O. Fercoq, M. Akian, M. Bouhtou, S. Gaubert. “Ergodic control and polyhedral [...]
12 Mar

Knowledge graph embeddings

12/03/2018    
10:30 am-12:00 pm
Nathan De Lara
Nathan De Lara will introduce the knowledge graph embeddings, based on the following references: Bordes, A., Usunier, N., Garcia-Duran, A., Weston, J., and Yakhnenko, O. [...]
07 Mar

A Sliding-Resolution Algorithm for Hierarchical Graph Clustering

07/03/2018    
2:00 pm-3:00 pm
Bertrand Charpentier
We propose a novel algorithm for the hierarchical clustering of graphs. The algorithm is a simple but key modification of the Louvain algorithm based on [...]

Feb 2018

26 Feb

Étude des sous-graphes typiques des graphes aléatoires par la combinatoire analytique

26/02/2018    
10:30 am-12:00 pm
Élie de Panafieu
Orateur : Élie de Panafieu La question qui guidera l'exposé est l'étude de la loi limite du nombre de triangles dans un graphes aléatoire à [...]
21 Feb

Insensitivity of the Hydrodynamic Limit of PS under Randomized SQ(d) Algorithms

21/02/2018    
2:00 pm-3:00 pm
Ravi Mazumdar
In many applications such as cloud computing, managing server farm resources etc. an incoming task or job has to be matched with an appropriate server [...]
14 Feb

Network Slicing Games: Enabling Statistical Multiplexing of Multi-tenant Spatial Loads

14/02/2018    
2:00 pm-3:00 pm
Gustavo de Veciana
Next generation wireless architectures are expected to enable slices of shared wireless infrastructure which are customized to specific mobile operators/services. Given infrastructure costs and the [...]
12 Feb

Sequence to sequence learning

12/02/2018    
2:00 pm-3:30 pm
Édouard Pineau
For the next reading group, Édouard Pineau will talk about sequence-to sequence learning, based on the two following references: Sutskever Ilya, Oriol Vinyals, and Quoc [...]
02 Feb

Apple vs. Samsung: a Mathematical Battle

02/02/2018    
2:00 pm-3:00 pm
Jim Davis
Abstract: Apple and Samsung have been fighting patent battles around the world. Come learn about the mathematics at the heart of one of these battles, [...]
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