Situation-aware applications need to capture relevant context information and user intention or purpose, to provide situation-specific access to software services. As such, a situation-aware access control approach coupled with purpose-oriented information is of critical importance. However, modelling purpose-oriented situations is a challenging task. Existing modelling approaches for situation...

Extensive left main (LM) coronary artery thrombus is a rare and life-threatening angiographic finding with usual dramatic clinical presentation including hemodynamic instability and sudden cardiac death. The proper management of a big LM thrombus extending into aorta remains a challenging issue with no clear guidelines. In the following case report we present a 45-year-old patient with no appar...

Situation is an abstraction that characterizes a complex system consisting of semi-autonomous objects striving to achieve certain particular goals (sequences of goals) and operating in a coordinated mode controlled by a meta-goal of the system on the whole. Situation and objects are discriminated by their "states" taking values from finite sets of classes' labels. Situation assessment, which is...

Nontuberculous mycobacterial infection in an immunocompetent young patient complicated with empyema and pneumothorax is rarely reported. A 36-year-old man presented to the emergency department with a history of worsening dyspnea and pleuritic chest pain. The patient had unstable vital signs on presentation, and was referred to the resuscitation area on a monitored bed. The patient had a chest x...