values, evolutionary processes, and other contemporary motivation theories. Most contemporary theories of motivation assume that people initiate and persist at behaviors to the ex-tent that they believe the behaviors will lead to desired outcomes or goals. Beginning with the work of Lewin (1936

special form of commitment or persis-tent goal. The theory has motivated theories of speech acts and joint intention and innovative applications in multiagent systems and industrial robotics. How-ever, Munindar Singh shows the theory to have certain logical inconsistencies and permit certain absurd

, and of the Curry-Howard isomorphism between intuitionistic proofs and typed programs. Our interactive proofs effectuate a persis-tent epistemic impact in their intended communities of peer reviewers that consists in the induction of the (propositional) knowledge of their proof goal by means of the (individual

infection). A recent proof of principle HPV16 L1 VLP efficacy trial has shown excellent protection against persis-tent HPV16 infection and associated cytological abnormali-ties. Large scale efficacy trials of L1 VLPs from HPV16 and 18 (the HPV types found most frequently in cervical cancer),

, persis-tent inequities between men and women, between high- and low-income coun-tries, and within countries; (b) chronic diseases, injuries, and mental disorders

cells, evading the immune response, and regulating the switch to lytic infection. Notably, all of these functions are particularly important during persis-tent infections. Furthermore, an emerging view of viral miRNAs suggests two distinct groups exist. In the first group, viral miRNAs mimic host mi

Abstract Message-oriented event-driven systems are becoming increasingly ubiquitous in many industry do-mains including telecommunications, transportation and supply chain management. Applications in these areas typically have stringent requirements for performance and scalability. To guarantee adequate quality-of-service, systems must be subjected to a rigorous performance and scalability analysis before they are put into produc-tion. In this paper, we present a comprehensive modeling methodology for message-oriented event-driven systems in the context of a case study of a representative ap-plication in the supply chain management domain. The methodology, which is based on queueing Petri nets, pro-vides a basis for performance analysis and capacity plan-ning. We study a deployment of the SPECjms2007 stan-dard benchmark on a leading commercial middleware platform. A detailed system model is built in a step-by-step fashion and then used to predict the system perfor-mance under various workload and configuration scenar-ios. After the case study, we present a set of generic per-formance modeling patterns that can be used as build-ing blocks when modeling message-oriented event-driven systems. The results demonstrate the effectiveness, prac-ticality and accuracy of the proposed modeling and pre-diction approach. 1

In the general activity of daily life, it is easy to miss our dependency on the Earth's ecology. At the same time that people are living apparently separate from the environment, our impact on the Earth is increasing. This study seeks to understand how teachers can bridge this persistent

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In presenting this thesis in partial fulfilment of the requirements for a Postgraduate degree