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"Once Upon a Place": Compute Your Meeting Location Privately

Publications associées (51)

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Privacy-Preserving Activity Scheduling on Mobile Devices

Jean-Pierre Hubaux, Imad Aad, Murtuza Jadliwala, Igor Bilogrevic, Valtteri Niemi

Progress in mobile wireless technology has resulted in the increased use of mobile devices to store and manage users' personal schedules. Users also access popular context-based services, typically provided by third-party providers, by using these devices ...

2010

A Mobile World of Security

Rüdiger Urbanke, Christina Fragouli, Panagiotis Papadimitratos, Christine Neuberg

Mobile users are increasing fast in numbers, new types of services and applications become available, and new mobile systems (e.g., for intelligent transportation) emerge. Meanwhile, the need for securing communication in such large scale, highly dynamic s ...

2010

By their apps you shall understand them: mining large-scale patterns of mobile phone usage

Daniel Gatica-Perez

Mobile phones are becoming more and more widely used nowadays, and people do not use the phone only for communication: there is a wide variety of phone applications allowing users to select those that fit their needs. Aggregated over time, application usag ...

2010

Epitome - A Social Game for Photo Album Summarization

Touradj Ebrahimi, Jong Seok Lee, Ivan Ivanov, Péter Vajda

In this paper, we propose an approach for photo album summarization through a novel social game "Epitome" for mobile phones. Our approach to album summarization consists of two games: "Select the Best!" and "Split it!". The goal of the first game is to all ...

2010

Designable Visual Markers

Jeffrey Huang, Enrico Costanza

Visual markers are graphic symbols designed to be easily recognised by machines. They are traditionally used to,track goods, but there is increasing interest in their application to mobile HCI. By scanning a visual marker through a camera phone, users can ...

Acm Order Department, P O Box 64145, Baltimore, Md 21264 Usa2009

Active: a unified platform for building intelligent applications

Computers have become affordable, small, omnipresent and are often connected to the Internet. However, despite the availability of such rich environments, user interfaces have not been adapted to fully leverage their potential. In our view, user interfaces ...

EPFL2008

User decision improvement and trust building in product recommender systems

Li Chen

As online stores are offering an almost unlimited shelf space, users must increasingly rely on product search and recommender systems to find their most preferred products and decide which item is the truly best one to buy. However, much research work has ...

EPFL2008

Services surround you: Physical-virtual linkage with contextual bookmarks

Xavier Righetti

Our daily life is pervaded by digital information and devices, not least the common mobile phone. However, a seamless connection between our physical world, such as a movie trailer on a screen in the main rail station and its digital counterparts, such as ...

2008

Intimate Interfaces in Action: Assessing the Usability and Subtlety of EMG-based Motionless Gestures

Enrico Costanza

Mobile communication devices, such as mobile phones and networked personal digital assistants (PDAs), allow users to be constantly connected and communicate anywhere and at any time, often resulting in personal and private communication taking place in pub ...

Acm Order Department, P O Box 64145, Baltimore, Md 21264 Usa2007

Supporting Mobility in Content-Based Publish/Subscribe Middleware

Felix Gaertner

Publish/subscribe (pub/sub) is considered a valuable middleware architecture that proliferates loose coupling and leverages reconfigurability and evolution. Up to now, existing pub/sub middleware was optimized for static systems where users as well as the ...

2003