Human based computation as a form of currency to alleviate the world Poverty?

This post is a summary (+ some comments & further references) of a short paper “Secure Distributed Human Computation” in financial cryptography (2005) (the article is a position paper, so no mathematical at all compared to the previous one in

Management of our growing social network, a variant of information overload: interaction overload

Internet increases people’s social capital by facilitating connections among people. This social aspect has recently taken off with the web 2.0 phenomena and the proliferation of social networking sites (MySpace, Facebook, Linkedin, …) and virtual communities (Delicious, Youtube, Lastfm, Librarything,Digg).This

Acoustic cryptoanalysis: using a stethoscope to decode an encrypted message

I decided to publish an old post from 2006. Better late than never. — Recently (I don’t remember how) I came accross an article (2004) [1] from Adi Shamir (the inventors of the RSA algorithm) and Eran Tromer about an

Trekking around the Toblerone

Here is the first part of my journey, a trekking with two friends of mine around the Matterhorn montaign in Switzerland (or Mont du Cervin in french). The one drawn on the package of the Toblerone Chocolate. A short trip

Concert de Air: comment débourser 30 euros pour avoir un rhume et un concert sans Air!

Math m’avait offert pour mon anniversaire 2 places pour voir Air en concert. Normalement tous les ingrédients d’un bon concert sont réunis: les artistes (Phoenix, Alex Gopher, Etienne de Crecy et Air), un cadre exceptionnel (chateau de Versailles, sur le

TEDTALK: Why too much choice can be a bad thing

An oldy but goody video !

Programmable Feed Stream: Build your own perception of the communities' activity

Is it sometime difficult for you to find to the “perfect” web feed focussing exactly on the item you want to track on a community (or a set of communities), with the good granularity? If your response is yes, this

The web 2.0 mystery: Why what were considered as private data before are now volontary shared

New kind information on internet: user-related data Because of the democratisation of Internet and its new social aspect, the network is becoming less anonymous and the nature of the information has evolved with a new kind of information: people-related data.

How can the predictability of the language help to enter text without keyboard

Note: Web site to download the software: http://www.inference.phy.cam.ac.uk/dasher/

Real time Learning of a neural network

I read an interesting article “Extreme Learning Machine: A New Learning Scheme of Feedforward Neural Networks” (2004) about a new method of learning for a certain type of neural network. This Learning is applied for networks with a single layer

Reminder: 1 year ago in Australia (2006)

ouf.. finalement J’ai mis quelques photos sur flickr.

What attention is not?

When I talk about my researches on the management of the attention, sometimes people misunderstand due maybe to the fuzzy notion of attention. Idem in a project context, sharing common and clear understanding about the key concepts of the project

interaction overload: your friend the computer as mediator for the communication 2.0

Currently there is a serious trend about new types of collaboration between humans and machines to solve problems. The information overload: before 100% solved by computer, now 80% computer/ 20% human Before a lot of hard problems were solved only

people clould as visualization of your social attention

I decided to begin to publish more articles on my researchs about the atgentive project [1]. I really began in February to collect, read articles or use web2.0 services to better understand several notions about online community, attention , awareness,

Teamworking Practices using Datamining Technics

Group work is widespread in education. The growing use of online tools supporting group work generates huge amounts of data. We aim to exploit this data to support mirroring: presenting useful high-level views of information about the group, together with

Ouverture des dossiers du CNES sur les ovnis!

Le SEPRA, Service d’Expertise des Phénomènes Rares Aérospatiaux, crée en 1977 (anciennement le GEPAN ) par le CNES , vient d’ouvrir ces archives il y ‘a quelques jours! (Attention le site est saturé) http://www.cnes-geipan.fr

"Pas vu , Pas pris" : des rapports entre politique et media

Cela fait pas mal de temps que je n’ai pas alimenté mon blog (j’ai pas mal d’articles derrière mais ils sont offline car non complétement finis). Ce qui est bien avec google video, c’est l’accessibilité à des longs métrages. En

change of blog platform: from dotclear to wordpress

Hi everybody, I changed my blog platform (from Dotclear 1.2 to WordPress 2.1). Sorry for that poor theme and the other stuff like that. I will fix them as soon as possible.

Happy New year: divers Bijoux 10 is out !!

Happy new year! The 10th “divers bijoux” compilation is finally released, after 6 months of patience and 50 listened albums. Download the full compilation: here or for the podcasters ,you can listen it there

Biology: Visualize the inner life of the cell