Colloquium: SOUP: An Online Social Network By The People, For The People

Computer Science Department Colloquium 

Title: SOUP: An Online Social Network By The People, For The People
Speaker: Professor Xiaoming Fu
Affiliation: University of Göttingen, Germany
Host: Professor Ken Calvert

Time and Date: 4:00-5:00PM, Thursday, October 16, 2014

Location: Marksbury Theater, some refreshements are expected.


Concomitant with the tremendous growth of online social networking
(OSN) platforms are increasing concerns from users about their privacy
and the protection of their data. As user data management is usually
centralized, OSN providers nowadays have the unprecedented privilege
to access every user's private data, which makes large-scale privacy
leakage at a single site possible. One way to address this issue is
to decentralize user data management  and replicate user data at
individual end-user machines across the OSN. However, such an approach
must address new challenges and recent works in this direction only
show limited success. In this work we introduce a new, decentralized
OSN called the Self-Organized Universe of People (SOUP).SOUP employs
a scalable, robust and secure mirror selection design and can
effectively distribute and manage encrypted user data replicas
throughout the OSN. Extensive evaluations by simulation and a real-world
deployment show that SOUP solves the key challenges decentralized
OSNs currently face. This is joint work with David Koll (Univ Göttingen)
and Jun Li (Univ Oregon).


Xiaoming  Fu received his Ph.D. in computer science from Tsinghua
University, China in 2000. He was a research staff at Technical
University Berlin until joining the University of Göttingen,

Germany in 2002, where he has been a professor and heads the computer
networks group since 2007. His research interests are architectures,
protocols, and applications for networked systems, including information
dissemination, mobile networking, cloud computing and social networks.