Title	Security Situation Awareness and Situation Information Generation based on Spatial Linkage of Physical and IT Security
Author	Hyeonkoo Cho, Jungchan Na
Citation	Vol. 11  No. 1  pp. 85-90
Keywords	Security situation, Situation awareness, Spatial linkage, Convergence security

Title	System Architecture for Physical/IT Security Event Integration
Author	Seon-gyoung Sohn, Jungchan Na
Citation	Vol. 12  No. 1  pp. 66-70
Keywords	Event Integration, Convergence Security, Event Normalization