Risk assessment due to terrorist actions: A case study in Lisbon

This work was supported by FCT (Portuguese Foundation for Science and Technology) under Project CHSECURE (PTDC/EMC/120118/2010), and within ISISE, project UID/ECI/04029/2013. The first author also acknowledges the support from his PhD FCT grant with the reference SFRH/BD/45436/2008.