کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
977217 | 933178 | 2006 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Modelling aging characteristics in citation networks
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موضوعات مرتبط
مهندسی و علوم پایه
ریاضیات
فیزیک ریاضی
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
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)∼K(k)f(t) where the degree and age of the older node are k and t , respectively. Several functional forms of K(k)K(k) and f(t)f(t) have been considered. The desirable features of the citation network can be reproduced with K(k)∼k-βK(k)∼k-β and f(t)∼exp(αt)f(t)∼exp(αt) with β=2.0β=2.0 and α=-0.2α=-0.2 and with simple modifications in the growth scheme.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physica A: Statistical Mechanics and its Applications - Volume 368, Issue 2, 15 August 2006, Pages 575–582
Journal: Physica A: Statistical Mechanics and its Applications - Volume 368, Issue 2, 15 August 2006, Pages 575–582
نویسندگان
Kamalika Basu Hajra, Parongama Sen,