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Concept

Online identity

Publications associées (8)

SpeakUp in the Classroom: Anonymous Temporary Social Media for Better Interactions

Denis Gillet, Adrian Christian Holzer, Andrii Vozniuk, Sten Govaerts

Student participation in class is an important aspect of the learning experience, and can provide valuable feedback for teachers. However, getting students to interact in large classrooms is challenging. This paper presents SpeakUp, a mobile temporary soci ...

2014

Mining Conversational Social Video

Joan Isaac Biel Tres

The ubiquity of social media in our daily life, the intense user participation, and the explosion of multimedia content have generated an extraordinary interest from computer and social scientists to investigate the traces left by users to understand human ...

EPFL2013

Towards the Realization of Decentralized Online Social Networks: an Empirical Study

Karl Aberer, Rammohan Narendula

As the Online Social Networks (OSNs) amass unprecedented amounts of personal information, the privacy concerns gain considerable attention from the community. Apart from privacy-enabling approaches for existing OSNs, a number of initiatives towards buildin ...

2012

A Decentralized Online Social Network with Efficient User-Driven Replication

Karl Aberer, Rammohan Narendula, Athanasios Papaioannou

Unprecedented growth of online social networks (OSNs) increasingly makes privacy advocates and government agencies worrisome alike. In this paper, we propose My3, a privacy-friendly decentralized alternative for online social networking. The My3 system exp ...

IEEE2012

Modeling and Understanding Communities in Online Social Media using Probabilistic Methods

Radu Andrei Negoescu

The amount of multimedia content is on a constant increase, and people interact with each other and with content on a daily basis through social media systems. The goal of this thesis was to model and understand emerging online communities that revolve aro ...

EPFL2011

The 3A Interaction Model and Relation-Based Recommender System : Adopting Social Media Paradigms in Designing Personal Learning Environments

Sandy Ingram

We live in a rapidly changing digital world marked by technological advances, and fraught with online information constantly growing thanks to the Internet revolution and the online social applications in particular. Formal learning acquired in traditional ...

EPFL2010

Synergies of different reputation systems: challenges and opportunities

Karl Aberer

Reputation is a well established means to determine trustworthiness in online systems in various contexts, e.g. online transactions, product recommendation, e-mail spam fighting, etc. However, typically these reputation systems are "closed" outside of the ...

IEEE Computer Society2009

Truthful reputation mechanisms for online systems

Radu Jurca

The internet is moving rapidly towards an interactive milieu where online communities and economies gain importance over their traditional counterparts. While this shift creates opportunities and benefits that have already improved our day-to-day life, it ...

EPFL2007