![](https://dtp.physics.bme.hu/sites/dtp.physics.bme.hu/files/Komplex%20rendszerek%20statisztikus%20fizik%C3%A1ja_0.png)
Social networks are interesting complex systems where the agents are human beings. Besides their commercial and social interest physical methods opened new horizons in this fields. ICT based communications create a lot of data which can be analyzed and modeled to understand human society. Our group has access to many of such databases, like: mobile phone, IP phone services and the Hungarian social network site iwiw data and furthermore we are also interested in modelling the observed features.