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Deliverable 3.2: Report on Discovering Structure within Dictionary Learning

In this work package (WP), we investigate the possibility of discovering structure within dictionary learning. This could range from exploring groups of atoms that appear in clusters - a form of molecule learning - to learning graphical dependencies across ...

2011

Benefits of a Tangible Interface for Collaborative Learning and Interaction

Pierre Dillenbourg, Patrick Jermann, Guillaume Zufferey, Bertrand Roland Schneider

We investigated the role that tangibility plays in a problem-solving task by observing logistic apprentices using either a multitouch or a tangible interface. Results showed that tangibility helped them perform the task better and achieve a higher learning ...

2011

Enhancement of Geomatics Education by Using Internet Based Techniques

Pierre-Yves Gilliéron, Bertrand Merminod, Arnaud Deshogues

The Swiss Federal Institute of Technology in Lausanne (EPFL) has introduced the Moodle Learning Management System (LMS) in 2005. Since then, the number of teachers and users has increased rapidly. With more than 350 active courses hosted on Moodle for this ...

2010

Trustful Cumulus Clouds

Rachid Guerraoui, Maysam Yabandeh

Cloud computing offers an appealing business model and it is tempting for companies to delegate their IT services to the cloud. Yet, a company might ﬁnd it risky to do so for sensible services and to depend entirely on a single provider, which can be vulne ...

2010

Trajectory generation for aircraft subject to dynamic weather uncertainty

Maryam Kamgarpour

Determining safe aircraft trajectories that avoid hazardous weather regions and other aircraft while efficiently using the available airspace is an important problem. Although tactical weather forecast maps have been available, their use in automated aircr ...

IEEE2010

Microrobotics: Methods and Applications

Yves Bellouard

From conception to realization, Microrobotics: Methods and Applications covers all aspects of miniaturized systems that physically interact and manipulate objects at the microscale. It provides a solid understanding of this multidisciplinary field, which c ...

CRC Press2009

Collaboration and abstract representations: towards predictive models based on raw speech and eye-tracking data

Pierre Dillenbourg, Patrick Jermann, Mirweis Sangin, Marc-Antoine Nüssli

This study aims to explore the possibility of using machine learning techniques to build predictive models of performance in collaborative induction tasks. More specifically, we explored how signal-level data, like eye-gaze data and raw speech may be used ...

International Society of the Learning Sciences2009

The sources of process innovation in user firms

Marcellus Bogers

Previous research has shown that innovation can have various sources and different forms. Innovation can thus be developed by different types of organizations or individuals for several reasons, and it can be related to product or process technologies. One ...

EPFL2009

Scalable Network-layer Defense Against Internet Bandwidth-Flooding Attacks

In a bandwidth-flooding attack, compromised sources send high-volume traffic to the target with the purpose of causing congestion in its tail circuit and disrupting its legitimate communications. In this paper, we present Active Internet Traffic Filtering ...

2009

ACADIA 09: reForm() Building a Better Tomorrow

With the world turning its eyes to a new tomorrow, and with America reshaping and greening its infrastructure, The School of The Art Institute of Chicago, Department of Architecture, Interior Architecture and Designed Objects, is proud to host "reForm()" - ...

School of the Art Institute of Chicago2009