Wang, Mingyang; Yu, Guang; Yu, Daren - In: Physica A: Statistical Mechanics and its Applications 387 (2008) 18, pp. 4692-4698
In this paper, we investigated the preferential attachment mechanism (PAM) by considering the dynamic property in papers’ in-degree k for three citation networks. We found that the past citations obtained in different years will have different influences on papers’ attachment rate Π(k,t)....