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A number of systems have been developed for dynamic information flow control (IFC). In such systems, the security policy is expressed by labeling input and output channels, it is enforced by tracking and checking labels on data. Systems have been proven to enforce some form of noninterference (NI), formalized as a property of two runs of the program. In(More)
When students first learn programming, they often rely on a simple operational model of a program's behavior to explain how particular features work. Because such models build on their earlier training in algebra, students find them intuitive, even obvious. Students learning type systems, however, have to confront an entirely different notation with a(More)
— Thesis Committee — Committee member (print) Signature Date Committee member (print) Signature Date Committee member (print) Signature Date Thesis/Research Advisor (print) Signature Date Chief Academic Officer (print) Signature Date To my wife Namhee, and to my parents. ABSTRACT Software products evolve over time. Sometimes they evolve by adding new(More)
INTRODUCTION The importance of Paediatric Palliative Care (PPC) is increasingly recognised worldwide, with the World Health Organzsation (WHO) and the American Academy of Pediatrics (AAP) endorsing the development and wide availability of PPC. When these children are in the terminal phase of their illness, PPC should be tailored to the different needs and(More)
INTRODUCTION Awareness for paediatric palliative care has resulted in the impetus for paediatrician-led palliative care services across Malaysia. However, there is paucity of local data on patients receiving hospital-based paediatric palliative care. We aim to review the clinical spectrum of patients referred to these services. METHODS An observational(More)
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