Marie Curie Initial Training Networks


Venue  Invited Speakers  Program Photos



Date: May 21 - 22, 2015

Location: Aldemar Knossos Royal Village Hotel, Hersonissos, Crete, Greece

Organised by: FORTH-ICS


1. Venue and structure

FORTH - ICS, is hosting the workshop entitled: "Online Social Networks: Data Management and Privacy/Security" that will take place on 21-22 May 2015, at the Aldemar Knossos Royal Village Hotel in Crete.

The workshop on "Online Social Networks: Data Management and Privacy/Security" is organised by the Marie Curie Initial Training Network (ITN), iSocial.

2. Invited Speakers

University of Milan logo

Day 1: May 21, 09:15 - 17:30

Marios Leventopoulos
Computer and Network Security, Facebook



facebook CBettini

Prof. Claudio Bettini

Department of Computer Science,
University of Milan



Maritza Johnson
Research Group, Google, USA


google logo 41


Eiko Yoneki
Research Fellow
Data Centric Systems and Networking Group,Computer Laboratory Systems Research Group
University of Cambridge


cambridge logo
Day 2: May 22, 09:15 - 18:00

Igor Bilogrevic
Research Scientist,
Google, Zurich

google logo 41 BZhang

Boxun Zhang
Data Scientist
Sthlm Spotify Tech Group,



Michal Piorkowski
Head of Big Data Discovery
Swisscom, Geneva, Switzerland

swisscom FBonchi

Francesco Bonchi
Director of Research,
Yahoo Labs,



Dr. Nikolaos Laoutaris
Senior Researcher, Internet Group
Telefonica Research, Barcelona


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3. Agenda

Thursday, 21 May 2015

09:15 - 09:30

Coordinator's Welcome

Session I - Session Chair: Elena Ferrari

09:30 - 10:30

Intrusion and Abuse Detection at Facebook
Speaker: Marios Leventopoulos (Facebook) 

10:30 - 11:30

Privacy in Geo-social Networks and Beyond
Speaker: Claudio Bettini (University of Milano and EveryWare Technologies)

11:30 - 12:00 Coffee Break
12:00 - 13:00

Choosing the Right Audience: How People Manage who can see their Facebook Content
Speaker: Maritza Johnson (Google USA)

13:00 - 14:30 Lunch Break

Session II - Session Chair: Sarunas Girdzijauskas

14:30 - 14:45

iSocial Video Challenge Award
Winner: Noa Yehezkel

14:45 - 15:30

Fellow Short Presentations

15:30 - 16:30

Coffee Break – Poster Session

16:30 - 17:30 Influential Neighbours Selection for Information Diffusion
Speaker: Eiko Yoneki (University of Cambridge)
17:30 - 18:30

iSocial Fellow meets Facebook
Speaker: Marios Leventopoulos, Facebook


Friday, 22 May 2015

Session IΙΙ– Session Chair: Sarunas Girdzijauskas
09:15 - 10:15

A Machine-Learning Based Approach to Privacy-Aware Information Sharing in Mobile Social Networks
Speaker: Igor Bilogrevic (Google Zurich)

10:15 - 11:15

Data Science and Machine Learning at Spotify
Speaker: Boxun Zhang (Spotify)

11:15 - 12:00 Coffee Break – Poster Session
12:00 - 13:00

Implementing Data Skepticism
Speaker: Michal Piorkowski (Swisscom Data Science Team)

13:00 - 14:30

Lunch Break

Session IV Session Chair: Paraskevi Fragopoulou

14:30 - 15:30

Speaker: Francesco Bonchi

15:30 - 16:00

Coffee Break – Poster Session

16:00 - 17:00

The Vision for a Data Transparency Lab
Speaker: Nikolaos Laoutaris (Telefonica)

17:00 - 18:00 Bilateral meetings between iSocial micro-project partners


4. Posters

# Poster Title Poster Presenter: Partner Institution:
1 Evolving Twitter: An experimental analysis of graph properties of the social graph Despoina Antonakaki FORTH
2 Identification of Key Locations based on Online Social Network Activity Hariton Efstathiades UCY
3 Socio-­‐Aware Decentralized Topology Construction Protocol Stefanos Antaris PEER
5 CoMPAC: Collaborative Multi-Party Access Control for OSNs Panagiotis Ilia FORTH
6 Distributed Graph Based Risk Assessment by Gossip Learning in DOSN Naeimeh Laleh INSUB
7 Evolution and Ecology of the Digital World Kolja Kleineberg UB
8 Graph-based Compromised Account Identification Kambiz Ghoorchian KTH
9 Adapting Access Control Mechanisms from other Domains For Better & Usable Privacy in OSNs Leila Bahri INSUB
10 Update Propagation in a P2P Application Store Andrés García García IBM
















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