Modelling aging characteristics in citation networks

@article{citeulike:2582927, abstract = {Growing network models with preferential attachment dependent on both age and degree are proposed to simulate certain features of citation network noted in [Redner, arXiv: physics/0407137 (2004)]. In this directed network, a new node gets attached to an older node with the probability ~K(k)f(t) where the degree and age of the older node are k and t, respectively. Several functional forms of K(k) and f(t) have been considered. The desirable features of the citation network can be reproduced with K(k)~k-[beta] and f(t)~exp([alpha]t) with [beta]=2.0 and [alpha]=-0.2 and with simple modifications in the growth scheme.}, author = {Hajra, Kamalika B. and Sen, Parongama }, citeulike-article-id = {2582927}, doi = {10.1016/j.physa.2005.12.044}, journal = {Physica A: Statistical Mechanics and its Applications}, keywords = {citation-graph}, month = {August}, number = {2}, pages = {575--582}, posted-at = {2008-03-24 22:33:23}, priority = {2}, title = {Modelling aging characteristics in citation networks}, url = {http://dx.doi.org/10.1016/j.physa.2005.12.044}, volume = {368}, year = {2006} }

TY - JOUR ID - citeulike:2582927 TI - Modelling aging characteristics in citation networks JF - Physica A: Statistical Mechanics and its Applications VL - 368 IS - 2 SP - 575 EP - 582 N2 - Growing network models with preferential attachment dependent on both age and degree are proposed to simulate certain features of citation network noted in [Redner, arXiv: physics/0407137 (2004)]. In this directed network, a new node gets attached to an older node with the probability ~K(k)f(t) where the degree and age of the older node are k and t, respectively. Several functional forms of K(k) and f(t) have been considered. The desirable features of the citation network can be reproduced with K(k)~k-[beta] and f(t)~exp([alpha]t) with [beta]=2.0 and [alpha]=-0.2 and with simple modifications in the growth scheme. KW - citation-graph AU - Hajra, Kamalika AU - Sen, Parongama PY - 2006/08/15/ UR - http://dx.doi.org/10.1016/j.physa.2005.12.044 ER -