Concept

Action collective (sociologie)

Publications associées (74)

Bistability, Oscillations, and Bidirectional Motion of Ensemble of Hydrodynamically Coupled Molecular Motors

We analyze the collective behavior of hydrodynamically coupled molecular motors. We show that the local fluxes induced by motor displacement can induce the experimentally observed bidirectional motion of cargoes and vesicles. By means of a mean-field appro ...

Amer Physical Soc2017

SenseCityVity: Mobile Crowdsourcing, Urban Awareness, and Collective Action in Mexico

Daniel Gatica-Perez, Darshan Santani

This work describes SenseCityVity, an approach to engage and support youth in a city in Mexico as they investigate, document, and reflect upon urban problems through mobile crowdsourcing. SenseCityVity focused on the development of a mobile crowdsourcing p ...

Ieee Computer Soc2017

Switchable silver clusters

Sergio Allegri

Metallic nanoclusters form a family of novel materials with atomically defined hybrid organic/inorganic structures. Among these materials, clusters containing 44 silver atoms have emerged as one of the most interesting, because of their exceptional electro ...

EPFL2016

“What’s the frequency, Kenneth?” Defining the crowd organization

Christopher Tucci, Gianluigi Viscusi, Joana Rodrigues Pereira

In this paper, we provide guidelines for strategically using crowds as part of a crowdsourcing strategy and an open innovation portfolio. We start by defining crowd organisations as sustained through a crowd of loosely coupled and equally aligned agents th ...

2016

Free energies for rare events: Temperature accelerated MD and MC

Simone Meloni

In this article we review a set of methods for exploring the space of a set of collective variables, and to reconstruct the associated Landau free energy in presence of metastabilities: Temperature Accelerated Molecular Dynamics (TAMD), its extension, Temp ...

Springer Heidelberg2015

A diagnostic procedure for applying the social-ecological systems framework in diverse cases

Claudia Rebeca Binder Signer

The framework for analyzing sustainability of social-ecological systems (SES) framework of Elinor Ostrom is a multitier collection of concepts and variables that have proven to be relevant for understanding outcomes in diverse SES. The first tier of this f ...

Resilience Alliance2015

Looking at Cities in Mexico with Crowds

Daniel Gatica-Perez, Darshan Santani

Mobile and social technologies are providing new opportunities to document, characterize, and gather impressions of urban environments. In this paper, we present a study that examines urban perceptions of three cities in central Mexico (Guanajuato, Leon an ...

ACM2015

“What’s the frequency, Kenneth?” Defining the crowd organization

Christopher Tucci, Gianluigi Viscusi, Joana Rodrigues Pereira

In this paper, we provide guidelines for strategically using crowds as part of a crowdsourcing strategy and an open innovation portfolio. We start by defining crowd organizations as sustained through a crowd of loosely coupled and mutually aligned agents t ...

2015

Mining, Modeling and Predicting Mobility

Mohamed Kafsi

Mobility is a central aspect of our life, and our movements reveal much more about us than simply our whereabouts. In this thesis, we are interested in mobility and study it from three different perspectives: the modeling perspective, the information-theor ...

EPFL2015

Investigating the Optimal Size of Anticancer Nanomedicine

Li Tang, Hui Wang

Nanomedicines (NMs) offer new solutions for cancer diagnosis and therapy. However, extension of progression-free interval and overall survival time achieved by Food and Drug Administration-approved NMs remain modest. To develop next generation NMs to achie ...

2014

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