Publications associées à Éducation ouverte

High entropy molybdate-derived FeOOH catalyzes oxygen evolution reaction in alkaline media

High-entropy materials are a new class of materials that have lately been developed and applied to a variety of potential fields. Here we present that electrochemical activation facilitates the application of high-entropy molybdates (HEMo) as oxygen evolut ...

PERGAMON-ELSEVIER SCIENCE LTD2023

Evaluation of teachers’ orchestration tools usage in robotic classrooms

Pierre Dillenbourg, Barbara Bruno, Aditi Kothiyal, Sina Shahmoradi

Teachers’ self-efficacy in managing classrooms is an important consideration when it comes to bringing educational robots to classrooms. Orchestration tools support teachers by providing awareness indicators of students’ progress as well as levers to contr ...

2023

Ru tailored hydrous cobalt phosphate as a rational approach for high-performance alkaline oxygen evolution reaction

Mohammad Khaja Nazeeruddin

The water splitting is an appealing approach to fulfil the demand of energy without any global concerns. The oxygen evolution reaction is one of way to achieve unlimited energy from water but the low stability, high energy required to drive the reaction (o ...

ELSEVIER SCI LTD2022

Integrated Model for Comprehensive Digital Education Platforms

Denis Gillet, Isabelle Barbara Marie-Hélène Cardia, Maria Jesus Rodriguez Triana, Juan Carlos Farah, Kim Lan Phan Hoang

The trend towards generalized blended and active learning approaches in engineering education is redefining the requirements and the deployment schemes for digital education platforms. This paper presents a quadriptych techno- pedagogical model highlightin ...

IEEE2022

Highly Active Nanoperovskite Catalysts for Oxygen Evolution Reaction: Insights into Activity and Stability of Ba0.5Sr0.5Co0.8Fe0.2O2+delta and PrBaCo2O5+delta

Nicola Marzari, Ivano Eligio Castelli, Xi Cheng

It is shown that producing PrBaCo2O5+delta and Ba0.5Sr0.5Co0.8Fe0.2O2+delta nanoparticle by a scalable synthesis method leads to high mass activities for the oxygen evolution reaction (OER) with outstanding improvements by 10x and 50x, respectively, compar ...

WILEY-V C H VERLAG GMBH2018

Discovering Interaction Patterns in Online Learning Environments : A Learning Analytics Research

Mina Shirvani Boroujeni

The increasing amount of data collected in online learning environments provides unique opportunities to better understand the learning processes in different educational settings. Learning analytics research aims at understanding and optimizing learning a ...

EPFL2018

Cloud Ecosystem for Supporting Inquiry Learning with Online Labs: Creation, Personalization, and Exploitation

Denis Gillet, Maria Jesus Rodriguez Triana

To effectively and efficiently implement blended science and technology education, teachers should be able to find educational resources that suit their need, fit with their curricula, and that can be easily exploited in their classroom. The European Union ...

Ieee2017

Semi-Markov model for simulating MOOC students

Pierre Dillenbourg, Lukasz Kidzinski, Louis Pierre Faucon

Large-scale experiments are often expensive and time consuming. Although Massive Online Open Courses (MOOCs) provide a solid and consistent framework for learning analytics, MOOC practitioners are still reluctant to risk resources in experiments. In this s ...

2016

Towards Predicting Success in MOOCs: Programming Assignments

Pierre Dillenbourg, Patrick Jermann, Kshitij Sharma, Lukasz Kidzinski

Students of programming languages in massive on-line open courses (MOOCs) solve programming assignments in order to internalize the concepts. Programming assignments also constitute the assessment procedure for such courses. Depending on their motivation a ...

Books on Demand GmbH, Norderstedt2016

Orchestrating Inquiry-Based Learning Spaces: an Analysis of Teacher Needs

Denis Gillet, Maria Jesus Rodriguez Triana, Adrian Christian Holzer, Andrii Vozniuk

The European Go-Lab project offers Inquiry Learning Spaces (ILSs) as open educational resources to support Inquiry-based Learning (IBL). To successfully exploit ILSs and implement IBL, proper support for orchestration is needed. Researchers have highlighte ...

2015

How Do In-video Interactions Reflect Perceived Video Difficulty?

Pierre Dillenbourg, Patrick Jermann, Lukasz Kidzinski, Nan Li

Lecture videos are the major components in MOOCs. It is common for MOOC analytics researchers to model video behaviors in order to identify at-risk students. Much of the work emphasized prediction. However, we have little empirical understanding about thes ...

P.A.U. Education2015

Conscientious Behaviour, Flexibility and Learning in Massive Open On-Line Courses

Patrick Jermann, Roland John Tormey

Since 2011 the growth in Massive Open Online Courses (MOOCs) has been so enormous that, according to the Economist magazine, “the ivory towers of academia have been shaken to their foundations” (2013). One proposed benefit of MOOCs is that they allow consi ...

2015

Looking AT versus Looking THROUGH: A Dual Eye-tracking study in MOOC Context

Pierre Dillenbourg, Patrick Jermann, Kshitij Sharma, Himanshu Verma, Daniela Caballero Díaz

We report the results from an eye-tracking study to show the differences in gaze patterns across the MOOC learners, while they watch a lecture individually as well as when they collaborate on an add-on activity. 98 university students took part in a study ...

ISLS2015

Rich Open Educational Resources for Personal and Inquiry Learning. Agile Creation, Sharing and Reuse in Educational Social Media Platforms

Denis Gillet, Christophe Salzmann, Maria Jesus Rodriguez Triana, Wissam Halimi, Adrian Christian Holzer, Andrii Vozniuk, Sten Govaerts

Open Educational Resources (OERs) are freely accessible, openly licensed multimedia documents or interactive tools that can be typically integrated in Learning Management Systems to support courses. With social media platforms becoming the central piece of ...

2014

A Preparatory Analysis of Peer-Grading for a Digital Humanities MOOC

Frédéric Kaplan, Cyril Antoine Michel Bornet

Over the last two years, Massive Open Online Classes (MOOCs) have been unexpectedly successful in convincing large number of students to pursue online courses in a variety of domains. Contrary to the "learn anytime anywhere" moto, this new generation of co ...

2014

Personal Learning Environments as Enablers for Connectivist MOOCs

Denis Gillet

This paper presents how platforms initially designed to enable the construction of personal learning environments can help teachers and learners to aggregate their own MOOCs from resources freely available in the Cloud under Creative Commons licenses. Comp ...

2013

A Federated Recommender System for Online Learning Environments

Denis Gillet, Christophe Salzmann, Lei Zhou, Laurent Moccozet

From e-commerce to social networking sites, recommender systems are gaining more and more interest. They provide connections, news, resources, or products of interest. This paper presents a federated recommender system, which exploits data from different o ...

Springer Berlin Heidelberg2012

Eye-tracking perspectives of students’ learning trough MOOCs

Pierre Dillenbourg, Patrick Jermann, Kshitij Sharma, Himanshu Verma, Daniela Caballero Díaz

Activating student knowledge (ASK) before receiving learning materials improves their learning outcome (Tormey and LeDuc (2014)). We implement ASK through priming by using two versions of the same pretest in a dual eye-tracking study in a MOOC context. We ...

2014