The Sociology and Economics of Networks and Services Team at Orange Labs/France Telecom R&D is seeking to recruit a PhD candidate, ideally able to start in October, based at the Orange Lab Center in Paris ( http://www.orange.com/en_EN/innovation/), to work on a research project investigating the dynamics of Collective Intelligence based on mobiles data. This PhD proposal deals in particular with the detection of emerging behaviors and knowledge based on collective information - where the individual observation reveals noise.The successful candidate will explore the different forms of collective intelligence which can be implemented, from the voluntary contribution using the interfaces of mobile devices, to indirect contribution using the cells informations. He/She will investigates the reflexivity effects on behaviors and attitudes when users interacts with theses social cognitions . The successful candidate will be graduated in information/sociology/psychology/cognitive/urban sciences. He/She will have a strong interest of multidisciplinar research methods, especially human complex systems or behavioral sciences. He/She will be able to demonstrate skills in networks analysis or social data mining. He/She will be expected to collaborate with practitioners to help create relevant and valuable knowledge. Successful candidate will be highly motivated, and shows good team-work and organisational skills. Spoken and written French skills, even if not mandatory, are strongly relevant. The contract is a "CIFRE" 3 years duration, 28 000 euros annual salary + orange group bonus. To apply, please send CV+ letter and references to thomas.couronne@orange-ftgroup.com & zbigniew.smoreda@orange-ftgroup.com