Mark Last Abraham Kandel Web Intelligence and Security - Advances in Data and Text Mining Techniques for Detecting and Preventing Terrorist Activities on the Web 27 2010 IOS Press NATO Science for Peace and Security Series - D: Information and Communication Security http://dx.doi.org/10.3233/978-1-60750-611-9 978-1-60750-610-2 db/series/natosec/natosec27.html