1. Social networks and communities: from traditional society to the virtual sphere / Francesca Odella -- 2. Network perspective on structures related to communities / Alvin Wolfe -- 3. Civic engagement and communication technology networks / Philip J. Salem -- 4. The social construction of new cultural models through information and communication technologies / Almudena Moreno -- 5. From virtual to the simulated world: an agent-based model of friendship network in Second Life / Sadaf Alvi and Shah Jamal Alam -- 6. Analysis of success factors in social networking website development / Zanita Zahari and Eric Pardede -- 7. Knowledge discovery from online communities / Luca Cagliero and Alessandro Fiori -- 8. Information diffusion in social networks / Dmitry Zinoviev -- 9. Social network, information flow and decision-making efficiency: a comparison of humans and animals / Cédric Sueur -- 10. Extracting and measuring relationship strength in social networks / Steven Gustafson and Abha Moitra -- 11. Bringing qualitative and quantitative data together: collecting network data with the help of the software tool VennMaker / Markus Gamper, Michael Schönhuth and Michael Kronenwett -- 12. Observing the evolution of a learning community using social network analysis / Francesca Grippa, Marco De Maggio and Angelo Corallo -- 13. Social networks and terrorism / David Knoke -- 14. Social network sites: modeling the new business-customer relationship / Pedro Isaías, Sara Pífano and Paula Miranda -- 15. Community structure extraction for social networks / Helen Hadush ... [et al.] -- 16. Towards a bespoke framework for eliciting consumer satisfaction in Second Life / Mitul Shukla, Marc Conrad and Nik Bessis -- 17. Finding similar users in Facebook / Pasquale De Meo, Emilio Ferrara and Giacomo Fiumara.