Concept

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Publications associées (53)

The postal network between competition and Universal Service provision

This paper explores the status and possible regulation of the postal network in the broader context of Universal Postal Service provision and competition. It highlights the fact that there are several different ways to even consider the postal network. It ...

2006

Impact of Pseudonym Changes on Geographic Routing in VANETs

Panagiotis Papadimitratos

Inter-vehicle communication is regarded as one of the major applications of mobile ad hoc networks (MANETs). In these so called vehicular ad hoc networks (VANETs) security and privacy are crucial factors for successful deployment. In a scenario, where each ...

2006

Characterization of Creep and Crack Growth Interactions in the Fracture Behaviour of Concrete

Emmanuel Denarié

Creep and crack growth govern the long-term deformability of concrete and thus its service behavior and its durability. The mechanisms involved in the couplings between these effects are not yet clearly identified. The aim of this research was to investiga ...

2006

Head-tail patterning of the vertebrate embryo: one, two or many unresolved problems?

Denis Duboule

When, where and how is the head-tail axis of the embryo set up during development? These are such fundamental and intensely studied questions that one might expect them to have been answered long ago. Not so; we still understand very little about the cellu ...

2006

Radio Frequency Identification: Adversary Model and Attacks on Existing Protocols

Gildas Avoine

Radio Frequency Identification (RFID) systems aim to identify objects in open environments with neither physical nor visual contact. They consist of transponders inserted into objects, of readers, and usually of a database which contains information about ...

2005

What Can Be Implemented Anonymously?

Rachid Guerraoui, Eric Ruppert

Abstract. The vast majority of papers on distributed computing assume that processes are assigned unique identifiers before computation begins. But is this assumption necessary? What if processes do not have unique identifiers or do not wish to divulge the ...

2005

What Can Be Implemented Anonymously?

Rachid Guerraoui, Eric Ruppert

The vast majority of papers on distributed computing assume that processes are assigned unique identifiers before computation begins. But is this assumption necessary? What if processes do not have unique identifiers or do not wish to divulge them for reas ...

2004

Stochastic Sampling for Computing the Mutual Information of Two Images

Michaël Unser, Philippe Thévenaz

Mutual information is an attractive registration criterion because it provides a meaningful comparison of images that represent different physical properties. In this paper, we review the shortcomings of three published methods for its computation. We iden ...

NuHAG2003

Toward perceptual metrics for video watermark evaluation.

Touradj Ebrahimi, Elisa Drelie Gelasca

Assessing and comparing the performance of watermarking algorithms is di cult.The visibility of the watermark is an important aspect in this process.In this paper,we propose two metrics for evaluating the visual impact of video watermarks.Based on several ...

SPIE2003

The many faces of publish/subscribe

Rachid Guerraoui, Anne-Marie Kermarrec, Patrick Eugster, Pascal Felber

Well adapted to the loosely coupled nature of distributed interaction in large-scale applications, the publish/subscribe communication paradigm has recently received increasing attention. With systems based on the publish/subscribe interaction scheme, subs ...

2003

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