Concern level assessment: Building domain knowledge into a visual system to support network-security situation awareness. - Neesha Kodagoda; Simon Attfield; Tinni Choudhury; Chris Rooney; Glenford E. Mapp; Phong Hai Nguyen; Louis Slabbert; B. L. William Wong; Mahdi Aiash; Yongjun Zheng; Kai Xu 003; Aboubaker Lasebae (Inf. Vis., 2014)