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Organized Session
Trust and Online Social Networks

Social media is becoming and increasingly essential source of 
information that people use when making entertainment, political, and 
economic decisions. The classical sender-receiver and gatekeeper 
concepts of mass media are blurred as with social media every individual 
can become the creator of news that is discussed world-wide. Identifying 
trustworthy sources of information is important to social media users 
and it is an interesting and complex research questions. Part of the 
complexity is due to the data being huge, e.g., millions of messages, 
multi-lingual, highly variable across time and space, and 
time-sensitive.  New metrics, theories, and algorithms are needed to 
reason about trust in this environment, and to identify trusted 
information providers.  This session is centered on the following two 
questions:  How is trust established or broken in social media networks? 
How can we measure trust?

Kathleen M. Carley, J├╝rgen Pfeffer



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Juergen Pfeffer, Assistant Research Professor
School of Computer Science
Carnegie Mellon University
Pittsburgh, USA
www.pfeffer.at
@JurgenPfeffer


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