Privacy-Preserving Data Mining on Moving Object Trajectories.

sharing comments about your visitings: foursquare

Foursquare is an interesting application. It is relatively a new idea. Increasing number of mobile users using internet (thanks to 3G) and GPS needs new ways of getting most out of their mobile devices. GPS assisted mobile device users benefit of navigation and maps. Foursquare is not about navigation but is about the places you visit. Foursquare user visits different places (cafe, bar, restaurant, airport, etc) and comments on the service quality, foods, beverages, etc. The more you visit the same place, you become the mayor and might get special offers and discounts.
"Foursquare on your phone gives you & your friends new ways of exploring
your city. Earn points & unlock badges for discovering new thing"
Nice combination of social networking, twitter, LBS. No mention of privacy issues.

Trajectory Data Set from GeoLife Project

GeoLife GPS Trajectories

NPR: Data Mining Spurs Innovation, Threatens Privacy


"By analyzing cell phone movements and online search queries, scientists can monitor traffic in real time and track disease outbreaks more efficiently, but at what cost to privacy? Computer scientists Tom Mitchell and Deborah Estrin discuss the pros and cons of crowd sourcing personal data."
Listen to the full story at

EPIC Urges Congress to Adopt Privacy Safeguards for Locational Data

"EPIC Urges Congress to Adopt Privacy Safeguards for Locational Data"
EPIC is very active in the US to pursue location privacy issues in US. Check out their statement

route planning

Long time ago, i dreamed the cars will communicate and transfer traffic information to each other. Moreover, they can tell their current location and destination to the system and the optimal path will be returned from the server. Even if it is now our research project, it has more historical reasons why i stick to it instead of resting for a couple of days.

privacy posed a major challenge by futurist Watts Wacker (CNN Interview)

I was watching Future Fast Forward at CNN the first day of 2010 after a long night. One of the questions raised by Campbell Brown, (CNN Anchor) was “What will the world be like in the next 10, 20, 30 years?”. Towards the end of the program the futurist Watts Wacker made really interesting comments about privacy. Here is the transcript I found from :

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MODAP Consortium

The consortium consists of 11 partners from 7 countries in Europe.
Sabanci University (Coordinator) Fraunhofer IAIS Hasselt University
CNR - Area Della Ricerca di Pisa Université de Lausanne EPFL - Ecole Polytechnique Fédérale de Lausanne University of Piraeus Research Centre University of Milan
Wind Telecomunicazioni SpA Alterra B.V. EPFL - National Kapodistrian University of Athens


MODAP Project funded by:
European Union FET-OPEN
EU FET-OPEN 2009-2012
The Future and Emerging Technologies Open Scheme