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Ad-Hoc Wireless Sensor Networks for Exploration of Solar-System Bodies

This work evaluates the exploration of the Solar system by ad-hoc Wireless Sensor Networks WSN, i.e. networks where all nodes either moving or stationary can both provide and relay data. The two aspects of self-organization and localization are the major challenges to achieve a reliable network for a variety of...

Tags: Network, Wireless Sensor Network, Wireless, EPFL, Networking

White papers 2009-01-01

MeteoSwiss watches the skies in 3D

MeteoSwiss, the Switzerland's National Weather service, is using a new system to build 3D maps of Swiss skies. This LIDAR Light Detection and Ranging weather measurement system has been developed at the Lausanne-based Federal Institute of Technology EPFL. According to EPFL, this new system will be able to provide real-time...

Tags: 3D, Laser, MeteoSwiss, LIDAR, EPFL, Sales Force Management, Sales, Roland Piquepaille

Blog posts 2008-08-27

A super-resolution x-ray microscope

Swiss researchers have developed a very-high-resolution x-ray microscope. Their approach combines two well-known microscopy techniques, coherent diffractive imaging CDI and scanning transmission x-ray microscopy STXM. As a result, the new system offers both the high penetration power of x-rays and high spatial resolution. This method will allow other scientists to...

Tags: Method, Microscope, Researcher, Imaging, Image, Scanning Transmission X-ray Microscopy, X-ray, EPFL, Document Management, Semiconductors, Enterprise Software, Software, Finance, Managerial Accounting, Hardware, Roland Piquepaille

Blog posts 2008-07-18

Improving Digest-Based Collaborative Spam Detection

Spam is usually sent in bulk. A bulk mailing consists of many copies of the same original spam message, each sent to a different recipient. The copies are usually obfuscated, i.e. modified a bit in order to look different from each other. In collaborative spam filtering it is important to...

Tags: Bulk, EPFL, E-mail, Online Communications

White papers 2008-03-28

A Fair Scheduling for Wireless Mesh Networks

Wireless Mesh Networks WMNs represent a new and promising paradigm that uses multi-hop communications to extend WiFi networks: By deploying only one hot spot directly connected to the Internet and several Transient Access Points TAPs, an Internet Service Provider ISP can extend its coverage and serve a large number of...

Tags: Network, EPFL, Mesh Networking, Internet, Wireless, Networking

White papers 2005-09-17

Enterprise Architecture: What Aspects Is Current Research Targeting?

Enterprise architecture is an approach to aligning business and IT within a company. This paper presents the state of the art in enterprise architecture EA research; the survey is based on an analysis of the publicly available publications. The research methodology defines the analysis criteria. These criteria are: the distribution...

Tags: Enterprise Architecture, Analysis, EPFL, Research Methodology, Strategy, Management

White papers 2004-11-23

Additional Resources

SSL broken! Hackers create rogue CA certificate using MD5 collisions

Using computing power from a cluster of 200 PS3 game consoles and about $700 in test digital certificates, a group of hackers in the U.S. and Europe have found a way to target a known weakness in the MD5 algorithm to create a rogue Certification Authority CA, a breakthrough...

Tags: Certification Authority, SSL, Web Browser, Computer Associates International Inc., Certificate, Hacker, MD5, Web Browsers, Internet, Ryan Naraine

Blog posts 2008-12-30

Wizkid robot unveiled at MoMA

On February 24, 2008, a new exhibit will open at the Museum of Modern Art in New York MoMA, Design and the Elastic Mind. And until May 12, 2008, you'll be able to interact with Wizkid, which looks like a computer, but is really a robot. As said the European...

Tags: Robot, Computer, Wizkid, Productivity, Keyboards, Hardware, Peripherals, Roland Piquepaille

Blog posts 2008-02-20

Ushering in a multicore future

Ushering in a multicore futureThe Future of ComputingIf Java doesn't respond with its own parallel computing libraries, it will only help accelerate the adoption of .Net. Let's see what the Java community does. I get the impression that many in the Java community don't understand that when frameworks abstract away...

Tags: Development tools, Desktops, multicore future, desktop, programming, programming problem, Java, Java Community, developer, multi-core, Sun Microsystems Inc.

Discussion threads 2007-12-03

Top 10 little-known science stories of 2005

It's always difficult to look at more than 330 stories published this year to select only ten. But here is my personal selection of science stories that I found either important, exciting or simply surprising.10. 'Haute Cuisine' on Mars? (June 15)If you're lucky enough to be a crew member of...

Tags: pillow, spaghetti

Blog posts 2005-12-22

Inside a quantum dot

Until now, physicists who wanted to understand how electrons behaved at the nanoscale needed to choose between instruments which had good spatial resolution down to tens of nanometers or below or fast time resolution down to picoseconds, but not both. But researchers at the Ecole Polytechnique Fédérale de Lausanne EPFL...

Tags: electron, did.The EPFL

Blog posts 2005-12-03

From Intel's labs: Virus hunters and power savers

From Intel's labs: Virus hunters and power saversNeat ConceptThis is a step in the right direction, if a machine can disable itself from the network if it is infected, then that substantially decreases the number of attacks proliferating around the local and global network. My only concern would be...

Tags: Cyberthreats, Chipsets, Viruses and worms, SECURITY, Semiconductors, Intel Corp., virus, image, chipset, network, applet

Discussion threads 2005-08-25