Retraction Note to: Detecting Hidden Hierarchy in Terrorist Networks: Some Case Studies

The publisher regrets to announce that the following chapter entitled “Detecting Hidden Hierarchy in Terrorist Networks: Some Case Studies” by Nasrullah Memon, Henrik Legind Larsen, David L. Hicks, and Nicholas Harkiolakis, pp. 477-489, published in LNCS 5075 has been retracted. This chapter contains a large amount of reused and uncited material that was not published within quotation marks.