Hu, Haibo; Han, Dingyi; Wang, Xiaofan - In: Physica A: Statistical Mechanics and its Applications 389 (2010) 5, pp. 1065-1070
We propose a stochastic model of web user behaviors in online social systems, and study the influence of the attraction kernel on the statistical property of user or item occurrence. Combining the different growth patterns of new entities and attraction patterns of old ones, different...