Yuval Elovici Abraham Kandel Mark Last Bracha Shapira Omer Zaafrany Moti Schneider Menahem Friedman Terrorist Detection System. 540-542 http://dx.doi.org/10.1007/b100704 2004 conf/pkdd/2004 PKDD db/conf/pkdd/pkdd2004.html#EloviciKLSZSF04