【作者(必填)】 Ernesto Estrada and Michele Benzi【文题(必填)】 Walk-based measure of balance in signed networks: Detecting lack of balance in social networks【年份(必填)】 [size=1.14286]Phys. Rev. E [size=1.14286]90[size=1.14286], 042802 – Published 3 October 2014【全文链接或数据库名称(选填)】http://journals.aps.org/pre/abstract/10.1103/PhysRevE.90.042802