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Scientific Programming
Volume 2015, Article ID 907547, 11 pages
Research Article

The Comparison of Users Activity on the Example of Polish and American Blogosphere

AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Kraków, Poland

Received 21 March 2014; Accepted 26 November 2014

Academic Editor: Reda Alhajj

Copyright © 2015 Anna Zygmunt and Bogdan Gliwa. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Blogs are popular way to express opinions on the Internet. Due to their popularity and their public character blogs attract attention of many researchers. In this paper we compare two national blogospheres (Polish and American) from different angles such as characteristics of messages and interactions, structure of social groups, topics discussed in them, and the influence of real-world events on the behavior of such groups. In our approach we try to combine in advanced manner users activity on both the individual and community level. The comparison reveals some differences and various characters of both portals. Methods for analysis of groups dynamics, users roles, and topics in groups are presented.