The relationships within criminal groups are of qualitatively different kinds, and are not symmetric because of issues around power and influence. Social network analysis techniques have not been able to model this breadth of relationships well. We develop a new technique for spectral embedding of directed graphs, and combine it with a recently developed technique for spectral embedding of graphs with typed edges. We use the combination to model two ’Ndrangheta organized crime groups, and show that structure that is otherwise not visible can be extracted.
Zheng, Q., Skillicorn, D. B., Calderoni, F., Analysis of criminal social networks with typed and directed edges, Selected paper, in 2015 IEEE International Conference on Intelligence and Security Informatics (ISI), (Baltimore, 27-29 May 2015), IEEE, Baltimore 2015: 1-6. 10.1109/ISI.2015.7165930 [http://hdl.handle.net/10807/68083]
Analysis of criminal social networks with typed and directed edges
Calderoni, Francesco
2015
Abstract
The relationships within criminal groups are of qualitatively different kinds, and are not symmetric because of issues around power and influence. Social network analysis techniques have not been able to model this breadth of relationships well. We develop a new technique for spectral embedding of directed graphs, and combine it with a recently developed technique for spectral embedding of graphs with typed edges. We use the combination to model two ’Ndrangheta organized crime groups, and show that structure that is otherwise not visible can be extracted.
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