you might be interested in his work on mining IM networks for terrorist cells: "A Framework for Mining Instant Messaging Services" http://faculty.washington.ed

you might be interested in his work on mining IM networks for terrorist cells: "A Framework for Mining Instant Messaging Services" http://faculty.washington.edu/ankurt/Publications_files/SIAMPaper.pdf http://faculty.washington.edu/ankurt/Publications_files/SIAM...