Damiano Bolzoni Sandro Etalle Boosting Web Intrusion Detection Systems by Inferring Positive Signatures. 938-955 2008 OTM Conferences (2) http://dx.doi.org/10.1007/978-3-540-88873-4_2 conf/otm/2008-2 db/conf/otm/otm2008-2.html#BolzoniE08