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Publications associées (115)

Turning Web 2.0 Social Software into Versatile Collaborative Learning Solutions

In the framework of the European Integrated Project PALETTE, the École Polytechnique Fédérale de Lausanne (EPFL) is developing the eLogbook Web 2.0 social software. The purpose of eLogbook is to support tacit and explicit knowledge management in communitie ...

IEEE Computer Society Press2008

Top-k/w publish/subscribe: finding k most relevant publications in sliding time window w

Karl Aberer, Ivana Podnar, Kresimir Pripuzic

Existing content-based publish/subscribe systems are designed assuming that all matching publications are equally relevant to a subscription. As we cannot know in advance the distribution of publication content, the following two unwanted situations are hi ...

ACM2008

A model for the life expectancy of railway switches and crossings for maintenance and renewal planning in asset management systems

Willem-Jan Zwanenburg

With the help of databases of the Swiss Federal Railways (SBB CFF FFS), statistical analyses are carried out on the lifetime of railway switches (points) and crossings. The expected lifetimes are attributed to different parameters which influence the speed ...

Wit Press, Ashurst Lodge, Southampton So40 7Aa, Ashurst, England2008

(In)Security of an Efficient Fingerprinting Scheme with Symmetric and Commutative Encryption of IWDW 2005

We analyze the security of a fingerprinting scheme proposed at IWDW 2005. We show two results, namely that this scheme (1) does not provide seller security: a dishonest buyer can repudiate the fact that he redistributed a content, and (2) does not provide ...

Springer2008

A Multimedia Terminal for Adaptation and End-to-end QoS Control

Marco Mattavelli, Daniele Renzi, Beilu Shao

This paper addresses multimedia end user system design for content distribution over heterogeneous networks and terminals, with particular focus on End-to-End quality of service (QoS) control. A multimedia terminal comprising content-related metadata proce ...

2008

A Multimedia Terminal for Adaptation and End-to-end QoS Control

Marco Mattavelli, Daniele Renzi, Beilu Shao

ICME2008

Personalized information access in a wiki using structured tagging

Karl Aberer, Akshay Kiran Singh

Environmental engineers from different organizations work in interdisciplinary projects having the need of information exchange. In particular, a collaborative environment with personalized access to information is needed, which supports strongly varying i ...

Springer-Verlag New York, Ms Ingrid Cunningham, 175 Fifth Ave, New York, Ny 10010 Usa2007

Tackling Acceptability Issues in Communities of Practice by Providing a Lightweight Email-based Interface to eLogbook: a Web 2.0 Collaborative Activity and Asset Management System

Denis Gillet, Christophe Salzmann

eLogbook is a Web-based collaborative environment designed for communities of practice. It enables users to manage joint activities, share related assets and get contextual awareness. In addition to the original Web- based access, an email-based eLogbook i ...

CEUR-WS.org2007

Processing, characterisation and rheology of transparent concentrated fibre bundle suspensions

Véronique Michaud

Highly concentrated planar fibre-bundle suspensions with a transparent PMMA matrix were processed with various initial bundle contents and orientations. They were submitted to simple compression and plane strain compression deformation modes. First rheolog ...

2007

System and method for reliably communicating the content of a live data stream

Mohammad Amin Shokrollahi

A method for communicating the content of a live data stream to a receiver using a plurality of channels comprising two encoder channels used to encode the live data content prior to transmission. Initially a plurality of segments of a live data stream are ...

2007

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