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De Klerk, D. (author)This thesis deals with new methods, which can determine the dynamic response of a complex system identified in operation, based on the knowledge of its subsystem dynamics and excitation. In the first part of this thesis, the identification of component excitation and its transmission into the total system will be addressed. The identification of...doctoral thesis 2009
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Van Hemert, P. (author), Bruining, H. (author), Rudolph, E.S.J. (author), Wolf, K.H.A.A. (author), Maas, J.G. (author)An improved version of the manometric apparatus and its procedures for measuring excess sorption of supercritical carbon dioxide are presented in detail with a comprehensive error analysis. An improved manometric apparatus is necessary for accurate excess sorption measurements with supercritical carbon dioxide due to the difficulties associated...journal article 2009
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Lennon, B. (author)This thesis is an in-depth research on information concerning High Voltage Direct Current (HVDC) power transmission. The far reaching effects from faults arising in HVDC cable systems are noteworthy and from this perspective a broad literature review is dedicated to insulation monitoring techniques. The analysis is further subcategorised into on...master thesis 2009
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Meyer, V. (author)In this report we develop a GIS-based multicriteria flood risk assessment and mapping approach. This approach has the ability a) to consider also flood risks which are not measured in monetary terms, b) to show the spatial distribution of these multiple risks and c) to deal with uncertainties in criteria values and to show their influence on the...report 2009
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Wierckx, N.J.P. (author)Organic chemicals play a fundamental role in modern civilization. Today, almost all of these chemicals are produced from oil. This leads to pollution and creates a dependency on often politically unstable oil producing countries. It is possible to make the same chemicals from sugar, using microorganisms. Sugar is produced from plants, and is...doctoral thesis 2009
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Markovinovic, R. (author)This thesis is concerned with low-order modelling of heterogeneous reservoir systems for the purpose of efficient simulation and optimization of flooding processes with multiple injection and production (smart) wells. Typically, one is initially equipped with a physics-based ('white-box') model consisting of O(103-106) equations and parameters...doctoral thesis 2009
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Okot-Uma, R.W. (author)This study investigates virtual interactions in distributed collaboration, with the aim to improve international relations conferences through virtual interactions. This is done by addressing the problems and issues of operation, context and strategy that frequently affect international relations conferences, while preserving conference...doctoral thesis 2009
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Pujada, B.R. (author), Tichelaar, F.D. (author), Arnoldbik, W.M. (author), Sloof, W.G. (author), Janssen, G.C.A.M. (author)Growth stress in tungsten carbide-diamond-like carbon coatings, sputter deposited in a reactive argon/acetylene plasma, has been studied as a function of the acetylene partial pressure. Stress and microstructure have been investigated by wafer curvature and transmission electron microscopy (TEM) whereas composition and energy distribution...journal article 2009
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Den Dekker, A.J. (author), Poot, D.H.J. (author), Bos, R. (author), Sijbers, J. (author)Functional magnetic resonance imaging (fMRI) data that are corrupted by temporally colored noise are generally preprocessed (i.e., prewhitened or precolored) prior to functional activation detection. In this paper, we propose likelihood-based hypothesis tests that account for colored noise directly within the framework of functional activation...journal article 2009
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Papaefthymiou, G. (author), Kurowicka, D. (author)The increasing penetration of renewable generation in power systems necessitates the modeling of this stochastic system infeed in operation and planning studies. The system analysis leads to multivariate uncertainty analysis problems, involving non-Normal correlated random variables. In this context, the modeling of stochastic dependence is...journal article 2009
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Solomatine, D.P. (author), Lal Shrestha, D. (author)A novel method is presented for model uncertainty estimation using machine learning techniques and its application in rainfall runoff modeling. In this method, first, the probability distribution of the model error is estimated separately for different hydrological situations and second, the parameters characterizing this distribution are...journal article 2009
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Iosup, A. (author)The study of the history of computing infrastructures reveals an integration trend. For example, the explosive growth of the Internet in the 1990s was the result of an integration process started in the 1960s with the emerging networks of computers. By using the Internet, millions of users were capable of accessing information anytime and...doctoral thesis 2009
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Eijgenraam, C.J.J. (author)After the flood disaster in 1953 in the southwestern part of the Netherlands, Van Dantzig tried to solve the economic decision problem concerning the optimal height of dikes. His solution has a fixed probability of flooding after each investment (Econometrica, 1956). However, when there is economic growth, not the probability of flooding but the...report 2009
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Cornelissen, S.G.M. (author), Zaidman, A. (author), Holten, D. (author), Moonen, L. (author), Van Deursen, A. (author), Van Wijk, J.J. (author)Preprint of article published in: Journal of Systems and Software (Elsevier), 81 (12), 2008; doi:10.1016/j.jss.2008.02.068 An important part of many software maintenance tasks is to gain a sufficient level of understanding of the system at hand. The use of dynamic information to aid in this software understanding process is a common practice...report 2008
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Ten Veldhuis, J.A.E. (author), Clemens, F.H.L.R. (author), Van Gelder, P.H.A.J.M. (author)Traditional methods to evaluate flood risk mostly focus on storm events as the main cause of flooding. Fault tree analysis is a technique that is able to model all potential causes of flooding and to quantify both the overall probability of flooding and the contributions of all causes of flooding to the overall flood probability. This paper...conference paper 2008
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Cornelissen, S.G.M. (author), Zaidman, A.E. (author), Van Deursen, A. (author), Moonen, L. (author), Koschke, R. (author)Preprint of paper published in: IEEE Transactions on Software Engineering, 35 (5), 2009; doi:10.1109/TSE.2009.28 Program comprehension is an important activity in software maintenance, as software must be sufficiently understood before it can be properly modified. The study of a program's execution, known as dynamic analysis, has become a common...report 2008
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Adams, B. (author), De Schutter, K. (author), Zaidman, A.E. (author), Demeyer, S. (author), Tromp, H. (author), De Meuter, W. (author)Preprint of article published in: Journal of Systems and Software (Elsevier), 82 (4), 2009; doi:10.1016/j.jss.2008.09.031 This paper reports on the challenges of using aspect-oriented programming (AOP) to aid in re-engineering a legacy C application. More specifically, we describe how AOP helps in the important reverse engineering step which...report 2008
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Hemel, Z. (author), Kats, L.C.L. (author), Visser, E. (author)Preprint of paper published in: Theory and Practice of Model Transformations (ICMT 2008), Lecture Notes in Computer Science 5063; doi:10.1007/978-3-540-69927-9_13 The realization of model-driven software development requires effective techniques for implementing code generators for domain-specific languages. This paper identifies techniques for...lecture notes 2008
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Cornelissen, S.G.M. (author), Moonen, L. (author)Preprint of paper published in: Journal of Software Maintenance and Evolution (Wiley), 2008 Program comprehension is an important concern in the context of software maintenance tasks because these activities generally require a certain degree of knowledge of the system at hand. Although the use of dynamic analysis for information gathering has...report 2008
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Zaidman, A.E. (author), Demeyer, S. (author)Preprint of article published in: Journal of Software Maintenance and Evolution: Research and Practice (Wiley), 20 (6), 2008; doi:10.1002/smr.370 Software engineers new to a project are often stuck sorting through hundreds of classes in order to find those few classes that offer a significant insight into the inner workings of the software...report 2008