CS Colloquium Series @ UCY

Department of Computer Science - University of Cyprus

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Colloquium Coordinator: Demetris Zeinalipour

Colloquium: "Elvis has left the building": Retrieval and Filtering of Events in Social Networking, Dr. Christos Tryfonopoulos (University of Peloponnese, Greece), Monday, April 22, 2013, 11:00-12:00 EET.

The Department of Computer Science at the University of Cyprus cordially invites you to the Colloquium entitled:

"Elvis has left the building": Retrieval and Filtering of Events in Social Networking


Speaker: Dr. Christos Tryfonopoulos
Affiliation: University of Peloponnese, Greece
Category: Colloquium
Location: Room 148, Faculty of Pure and Applied Sciences (FST-01), 1 University Avenue, 2109 Nicosia, Cyprus (directions)
Date: Monday, April 22, 2013
Time: 11:00-12:00 EET
Host: Marios Dikaiakos (mdd-AT-cs.ucy.ac.cy) and Georgios Pallis (gpallis-AT-cs.ucy.ac.cy)
URL: https://www.cs.ucy.ac.cy/colloquium/index.php?speaker=cs.ucy.2013.tryfonopoulos

Our lives are dominated from events. People participate and document events of their everyday lives and subsequently use online social networking services like Facebook or Instagram to share them with friends and acquaintances. In order to make their content available to their online friends, users click hastly the "I agree to the terms of service" button and hand their content off to the social networking site, which acquires total control over the user data and may utilise it in any profitable way. Additionally, the friends of these users are overwhelmed by an avalanche of posts, tweets, and notifications that inform them about a forgotten classmate that has just arrived at the local grocery store or that he is cooking pasta. Our work focuses on tools and techniques to support effective, user-centered, privacy-aware social content management services that are able to tackle the problems described above. In this talk, we will address two important facets of social content management: search and filtering. In the first part of the talk we will discuss content location and search mechanisms designed for decentralised social networking and will introduce two types of friendship: the social friendship that indicates a direct connection among two users and the semantic friendship that emerges from common user interests and is often ignored in traditional social networks. In the second part of the talk we will address the problem of large-scale event processing and provide tools that allow users to issue subscriptions and receive timely notifications whenever certain events of interest take place.

Short Bio:
Christos Tryfonopoulos received his BSc from the Computer Science Department, University of Crete (2000), and his MSc (2002) and PhD (2006) in Computer Engineering from the Department of Electronic & Computer Engineering, Technical University of Crete. In 2006 he joined the Databases and Information Systems Department at Max-Planck Institute for Informatics (MPII) as a post-doctoral researcher under the supervision of Prof. Gerhard Weikum, while in 2007-2008 he was the Coordinator of the P2P and Information Management Research Area at MPII. Christos is currently an Assistant Professor at the Department of Computer Science & Technology, University of Peloponnese and a member of the Software & Database Systems Lab. His research interests include distributed large-scale information retrieval/filtering, social/personal/semantic information management, and digital libraries. He has authored over 35 research papers in the area of data/information management and has served in the program committee of more than 50 international journals, conferences and workshops. More info may be found at: http://www.uop.gr/~trifon/

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Sponsor: The CS Colloquium Series is supported by a generous donation from Microsoft