Properties of on-line social systems |
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Authors: | A. Grabowski N. Kruszewska R. A. Kosiński |
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Affiliation: | (1) Central Institute for Labour Protection - National Research Institute, 00-701 Warsaw, Poland;(2) Institute of Mathematics and Physics, University of Technology and Life Sciences, 85-796 Bydgoszcz, Poland;(3) Faculty of Physics, Warsaw University of Technology, 00-662 Warsaw, Poland |
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Abstract: | We study properties of five different social systems: (i) internet society of friends consisting of over 106 people, (ii) social network consisting of 3 × 104 individuals, who interact in a large virtual world of Massive Multiplayer Online Role Playing Games (MMORPGs), (iii) over 106 users of music community website, (iv) over 5 × 106 users of gamers community server and (v) over 0.25 × 106 users of books admirer website. Individuals included in large social network form an Internet community and organize themselves in groups of different sizes. The destiny of those systems, as well as the method of creating of new connections, are different, however we found that the properties of these networks are very similar. We have found that the network components size distribution follow the power-law scaling form. In all five systems we have found interesting scaling laws concerning human dynamics. Our research has shown how long people are interested in a single task, how much time they devote to it and how fast they are making friends. It is surprising that the time evolution of an individual connectivity is very similar in each system. |
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Keywords: | KeywordHeading" >PACS 89.75.Fb Structures and organization in complex systems 89.65.Ef Social organizations anthropology 89.75.Da Systems obeying scaling laws |
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