Slanina, F.
Institute of Physics, Academy of Sciences, Praha, Czech Republic
Zhang, Yi-Cheng
Theoretical Physics Unit, Department of Physics, Fribourg University, Switzerland
2005
Published in:
Acta Physica Polonica B. - 2005, vol. 36, no. 9, p. 2797-2804
EnglishThe bipartite graph connecting products and reviewers of that product is studied empirically in the case of amazon.com. We find that the network has power-law degree distribution on the side of reviewers, while on the side of products the distribution is better fitted by stretched exponential. The spectrum of normalised adjacency matrix shows power-law tail in the density of states....Show more…