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Research Themes in Complex Informing
"... This paper introduces a six paper series that examines the manner in which complexity impacts the informing process. Two of these papers specifically consider how the objective complexity of the domain being studied changes the nature of the solution—with domains consisting of many interacting eleme ..."
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Cited by 2 (0 self)
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elements and changing criteria for success tending to produce highly rugged fitness landscapes that violate the normal assumptions of decomposability that we make in our research and incorporate into our theories. A third paper considers how the concept of utility impacts informing and is impacted
CONSTRUCTS, ONE RESEARCH THEME?
"... The marketing and management literatures have investigated the notion of citizenship from an organizational perspective with the organizational citizenship behaviors (OCB) construct, and from a social perspective with the notion of corporate citizenship (CC). Research on these two related aspects of ..."
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The marketing and management literatures have investigated the notion of citizenship from an organizational perspective with the organizational citizenship behaviors (OCB) construct, and from a social perspective with the notion of corporate citizenship (CC). Research on these two related aspects
Research Themes on Differential Inclusions
, 2013
"... An ordinary differential equation x ′ = f(t, x(t)) (ODE) uniquely assigns the time derivative x′(t) = ddtx(t) as a function of t and x. A differential inclusion x ′ ∈ F (t, x(t)), (DI) on the other hand, only requires that the derivative x ′ be inside a given set F (t, x) ⊂ Rn. Therefore, given ..."
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An ordinary differential equation x ′ = f(t, x(t)) (ODE) uniquely assigns the time derivative x′(t) = ddtx(t) as a function of t and x. A differential inclusion x ′ ∈ F (t, x(t)), (DI) on the other hand, only requires that the derivative x ′ be inside a given set F (t, x) ⊂ Rn. Therefore, given an initial condition x(0) = x̄, one can usually find several solutions of (DI). f(x) x
Research Themes on Differential Inclusions
, 2013
"... An ordinary differential equation x ′ = f(t, x(t)) (ODE) uniquely assigns the time derivative x ′(t) = d dtx(t) as a function of t and x. A differential inclusion x ′ ∈ F (t, x(t)), on the other hand, only requires that the derivative x ′ be inside a given set F (t, x) ⊂ R n. Therefore, given an ..."
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An ordinary differential equation x ′ = f(t, x(t)) (ODE) uniquely assigns the time derivative x ′(t) = d dtx(t) as a function of t and x. A differential inclusion x ′ ∈ F (t, x(t)), on the other hand, only requires that the derivative x ′ be inside a given set F (t, x) ⊂ R n. Therefore, given an initial condition x(0) = ¯x, one can usually find several solutions of (DI). (DI) x(t) x _ x f(x)
Research Theme Paper
"... Objective To describe a dynamic compartmental simulation model for Botswana and India, developed to identify the best strategies for preventing spread of HIV/AIDS. Methods The following interventions were considered: a behavioural intervention focused on female sex workers; a conventional programme ..."
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Objective To describe a dynamic compartmental simulation model for Botswana and India, developed to identify the best strategies for preventing spread of HIV/AIDS. Methods The following interventions were considered: a behavioural intervention focused on female sex workers; a conventional programme for the treatment of sexually transmitted infections; a programme for the prevention of mothertochild transmission; an antiretroviral treatment programme for the entire population, based on a single regimen; and an antiretroviral treatment programme for sex workers only, also based on a single regimen. Findings The interventions directed at sex workers as well as those dealing with sexually transmitted infections showed promise for longterm prevention of human immunodeficiency virus (HIV) infection, although their relative ranking was uncertain. In India, a sex worker intervention would drive the epidemic to extinction. In Botswana none of the interventions alone would achieve this, although the prevalence of HIV would be reduced by almost 50%. Mothertochild transmission programmes could reduce HIV transmission to infants, but would have no impact on the epidemic itself. In the long run, interventions targeting sexual transmission would be even more effective in reducing the number of HIVinfected children than mothertochild transmission programmes. Antiretroviral therapy would prevent transmission in the short term, but eventually its effects would wane because of the development of drug resistance. Conclusion Depending on the country and how the antiretroviral therapy was targeted, 25–100 % of HIV cases would be drug
MOLEN Research Theme
, 2007
"... RunTime Partial Reconfiguration (RPR) enables a FPGA (Field Programable Gate Array) to be partially reconfigured during runtime (i.e. part of the array can be over written with another reconfiguration, while the remaining part is active). An extra ordinary form of RPR is self reconfiguration. In ..."
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RunTime Partial Reconfiguration (RPR) enables a FPGA (Field Programable Gate Array) to be partially reconfigured during runtime (i.e. part of the array can be over written with another reconfiguration, while the remaining part is active). An extra ordinary form of RPR is self reconfiguration. In this special case the reconfiguration process is controlled from within the chip. The reconfiguration is performed by the static part of the logic, while the dynamic part is reconfigured. To enable self reconfiguration, actually self runtime partial reconfiguration, the target FPGA should feature onchip access to the reconfiguration logic. Furthermore logic has to be designed controlling the reconfiguration process (i.e. fetching the reconfiguration data and writing it to the reconfiguration logic). In this thesis a solution enabling self reconfiguration is presented. Although the solution is designed for integration in the MOLEN framework it has a broader application range. The MOLEN framework is a, framework composed of a general purpose processor augmented with a reconfigurable processor. The reconfigurable processor can be reconfigured using the solution presented in this thesis.
A Roadmap of Agent Research and Development
 INT JOURNAL OF AUTONOMOUS AGENTS AND MULTIAGENT SYSTEMS
, 1998
"... This paper provides an overview of research and development activities in the field of autonomous agents and multiagent systems. It aims to identify key concepts and applications, and to indicate how they relate to oneanother. Some historical context to the field of agentbased computing is give ..."
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Cited by 508 (8 self)
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This paper provides an overview of research and development activities in the field of autonomous agents and multiagent systems. It aims to identify key concepts and applications, and to indicate how they relate to oneanother. Some historical context to the field of agentbased computing
Eye movements in reading and information processing: 20 years of research
 Psychological Bulletin
, 1998
"... Recent studies of eye movements in reading and other information processing tasks, such as music reading, typing, visual search, and scene perception, are reviewed. The major emphasis of the review is on reading as a specific example of cognitive processing. Basic topics discussed with respect to re ..."
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Cited by 861 (26 self)
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to reading are (a) the characteristics of eye movements, (b) the perceptual span, (c) integration of information across saccades, (d) eye movement control, and (e) individual differences (including dyslexia). Similar topics are discussed with respect to the other tasks examined. The basic theme of the review
What Can Economists Learn from Happiness Research?
 FORTHCOMING IN JOURNAL OF ECONOMIC LITERATURE
, 2002
"... Happiness is generally considered to be an ultimate goal in life; virtually everybody wants to be happy. The United States Declaration of Independence of 1776 takes it as a selfevident truth that the “pursuit of happiness” is an “unalienable right”, comparable to life and liberty. It follows that e ..."
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Cited by 517 (24 self)
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Happiness is generally considered to be an ultimate goal in life; virtually everybody wants to be happy. The United States Declaration of Independence of 1776 takes it as a selfevident truth that the “pursuit of happiness” is an “unalienable right”, comparable to life and liberty. It follows that economics is – or should be – about individual happiness. In particular, the question is how do economic growth, unemployment and inflation, as well as institutional factors such as good governance, affect individual wellbeing? In addition to this intrinsic interest, there are three major reasons for economists to consider happiness. The first is economic policy. At the microlevel, it is often impossible to make a Paretooptimal proposal, because a social action entails costs for some individuals. Hence an evaluation of the net effects, in terms of individual utilities, is needed. On an aggregate level, economic policy must deal with tradeoffs, especially those between unemployment and
Research Themes on Traffic Flow on Networks
"... Models of traffic flow can be of two main types [1, 8, 11]. 1 Microscopic particle models, describing the position and velocity of each single car. If there are N cars on a road, one thus needs to write a system of N differential equations, one for each car. These ODEs specify how each driver adjus ..."
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Models of traffic flow can be of two main types [1, 8, 11]. 1 Microscopic particle models, describing the position and velocity of each single car. If there are N cars on a road, one thus needs to write a system of N differential equations, one for each car. These ODEs specify how each driver adjusts his velocity depending on the distance and the velocity of the vehicle ahead. 2 Macroscopic models, describing the evolution of the vehicle density (i.e. the number of cars per unit length of the road). Since the total number of cars is conserved, these models consist of one or more PDEs, usually in the form of a conservation law. Particle models are easier to simulate numerically. On the other hand, macroscopic models are mathematically more interesting and yield a better qualitative understanding of traffic patterns. Having written down a set of mathematical equations, the next steps of a mathematical analysis (i) The first and most fundamental concern is making sure that the model “well posed”. This means that, given any initial configuration, the equations determine a unique solution
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