Adam Wierzbicki

Adam Wierzbicki received his Ph.D. degree from the Warsaw University of Technology and a habilitation title from the Institute of Systems Research of the Polish Academy of Sciences. He is an expert in Peer-to-Peer computing. His current research interests focus on social informatics, in particular on trust management and fairness in distributed systems. He is also interested in open collaboration, particularly using Wiki technology.

Poland

Email: adamw@pjwstk.edu.pl
Web: http://inflacja.net/adamw/home/index_en.php

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Paulina Adamska

Paulina Adamska received her Master's Degree in computer science from Polish-Japanese Institute of Information Technology in 2009. She is co-author of the middleware based on the generic Peer-to-Peer Protocol. Currently teacher, research assistant and PhD student at PJIIT. Her interest include reputation systems and their influence on the quality of user generated content in learning communities - in particular Q&A systems.

Email: tiia@pjwstk.edu.pl

Please direct correspondence about this article to Paulina Adamska

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Katarzyna Abramczuk

Sociologist, held PhD degree from Warsaw University, assistant professor in Department of Social and Economic Transformations at Institute of Political Sciences (Polish Academy of Sciences), coworker of the chair of Statistics, Demography and Mathematical Sociology in Institute of Sociology at University of Warsaw, coworker of Adaptive Behavior and Cognition research group at Max Planck Institute for Human Development. Her interest include mathematical modeling of social phenomena, evolutionary game theory, mechanisms of reciprocity and trust, analytical theory of judgment and decision making, and cognitive psychology.

Poland

Email: k.abramczuk@uw.edu.pl

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Thanasis Papaioannou

Thanasis G. Papaioannou is a postdoctoral fellow at the Distributed Information Systems Laboratory of Ecole Polytechnique Fédérale de Lausanne (EPFL). He received his B.Sc. (1998) and M.Sc. (2000) in Networks and in Parallel/Distributed Systems from the Department of Computer Science, University of Crete, Greece, and his Ph.D. (2007) from the Department of Computer Science, Athens University of Economics and Business (AUEB). His research interests are in data stream processing, mechanism design for online environments, cloud resource management, privacy, trust and reputation, sensor networks, and QoS.

Switzerland

Email: thanasis.papaioannou@epfl.ch

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Karl Aberer

Karl Aberer is a full professor for Distributed Information Systems at EPFL Lausanne, Switzerland, since 2000. Since 2005 he is the director of the Swiss National Research Center for Mobile Information and Communication Systems (NCCR-MICS, www.mics.ch). His research interests are on semantics and self- organization in information systems with applications in peer-to-peer search, semantic web, trust management and mobile and sensor networks.

Switzerland

Email: karl.aberer@epfl.ch
Web: http://lsir.epfl.ch/aberer

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Emilia Rejmund

Emilia Rejmund received her Master’s Degree in physics from Warsaw University of Technology in 2003. Currently PhD student at PJIIT. Her research interest include natural language processing, big data and sentiment analysis and social informatics problems, mainly the internet content credibility problem.

Poland

Email: emilia.rejmund@gmail.com