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Decision support to facilitate cost-optimal response in time- and safety-critical situations

: Ott, Jonathan; Hild, Jutta; Bauer, Alexander

Fulltext urn:nbn:de:0011-n-1060106 (266 KByte PDF)
MD5 Fingerprint: 6b2b69ab7f7000cc0f1873865a7b9054
Created on: 12.2.2010

Elsner, P. ; Fraunhofer Verbund Verteidigungs- und Sicherheitsforschung; Fraunhofer-Institut für Chemische Technologie -ICT-, Pfinztal:
Fraunhofer Symposium Future Security. 4th Security Research Conference 2009 : September 29th - October 1th 2009, Karlsruhe, Germany
Stuttgart: Fraunhofer Verlag, 2009
ISBN: 978-3-8396-0051-1
ISBN: 3-8396-0051-0
Security Research Conference "Future Security" <4, 2009, Karlsruhe>
Conference Paper, Electronic Publication
Fraunhofer IITB ( IOSB) ()

Coping with threats such as terrorism, crime, natural hazards or industrial accidents requires early detection and correct assessment of critical situations, followed by appropriate actions to avoid potential damage to person or property. We here focus on threat prevention in closed properties of traffic infrastructures (railway stations, harbours, airports) or logistics centres. To early detect and prevent damage, the property is continuously monitored by sensors and security staff. We propose to model the threat situation of the property as a continuous-time Markov decision process (CMDP). The CMDP-model is used as core of a decision support system (DSS), which assists the security staff in two aspects: it facilitates to identify the threat situation of the property and suggests the cost-optimal action by which the property will be kept in or returned into a safe state. The concept is also shown in a numerical example.