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Parayil Venugopalan, S. (author)
doctoral thesis 2019
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Hua, Binh Son (author), Gruson, Adrien (author), Petitjean, V.J.P. (author), Zwicker, Matthias (author), Nowrouzezahrai, Derek (author), Eisemann, E. (author), Hachisuka, Toshiya (author)
Monte Carlo methods for physically-based light transport simulation are broadly adopted in the feature film production, animation and visual effects industries. These methods, however, often result in noisy images and have slow convergence. As such, improving the convergence of Monte Carlo rendering remains an important open problem. Gradient...
journal article 2019
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Liao, Wenjun (author), Guan, Guanghua (author), Tian, X. (author)
In the open channel control algorithm, good feed-forward controllers will reduce the transition time of the canal and improve performance. Feedforward control algorithms based on active storage compensation are greatly affected by delay time. However, there is no literature comparing the three most commonly used algorithms, namely volume step...
journal article 2019
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Sánchez-Arriaga, Gonzalo (author), Pastor-Rodríguez, Alejandro (author), Sanjurjo-Rivo, Manuel (author), Schmehl, R. (author)
A parallelized flight simulator for the dynamic analysis of airborne wind energy (AWE) systems for ground- and fly-generation configurations is presented. The mechanical system comprises a kite or fixed-wing drone equipped with rotors and linked to the ground by a flexible tether. The time-dependent control vector of the simulator mimics real...
journal article 2019
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Daamen, T.A. (author), van der Linden, H.J. (author)
Gebiedsontwikkelingsopgaven in de hedendaagse verstedelijking zijn per definitie meerduidig. Het gaat in 2019 niet meer om een eenduidig doel zoals wijkvernieuwing of de vitalisering van een bedrijventerrein. De opgaven in de grote steden gaan over verdichting, vermenging, vergrijzing én segregatie, maar ook over betaalbaarheid, gezondheid,...
journal article 2019
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Homulle, Harald (author)
Quantum computing promises an exponential speed-up of computation compared to what is nowadays achievable with classical computers. In this way, it enables the evaluation of more complex models and the breaching of current security algorithms. For the operation of a quantum system, many questions remain to be answered. Currently, there are...
doctoral thesis 2019
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Telang, Pankaj R. (author), Singh, Munindar P. (author), Yorke-Smith, N. (author)
Commitments capture how an agent relates to another agent, whereas goals describe states of the world that an agent is motivated to bring about. Commitments are elements of the social state of a set of agents whereas goals are elements of the private states of individual agents. It makes intuitive sense that goals and commitments are understood...
journal article 2019
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van den Bercken, Laurens (author), Sips, R.H.J. (author), Lofi, C. (author)
Health literacy, i.e. the ability to read and understand medical text, is a relevant component of public health. Unfortunately, many medical texts are hard to grasp by the general population as they are targeted at highly-skilled professionals and use complex language and domain-specific terms. Here, automatic text simplification making text...
conference paper 2019
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Haus, Michael (author), Ding, Aaron Yi (author), Wang, Qing (author), Toivonen, Juhani (author), Tonetto, Leonardo (author), Tarkoma, Sasu (author), Ott, Jörg (author)
The number of deployed Internet of Things (IoT) devices is steadily increasing to manage and interact with community assets of smart cities, such as transportation systems and power plants. This may lead to degraded network performance due to the growing amount of network traffic and connections generated by various IoT devices. To tackle...
conference paper 2019
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Bruijn, Willem E.L. (author), Rip, Jolien (author), Hendriks, Antoon J.H. (author), van Gelder, P.H.A.J.M. (author), Jonkman, Sebastiaan N. (author)
A marine project consists of series of operations, with each operation subject to a predefined operational limit and duration. If actual weather conditions exceed the operational limit, the operation cannot be executed and hence downtime occurs. An accurate assessment of uncertainties and the expected downtime during a marine project is...
journal article 2019
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Kazaz, T. (author), Rajan, R.T. (author), Janssen, G.J.M. (author), van der Veen, A.J. (author)
Achieving high resolution time-of-arrival (TOA) estimation in multipath propagation scenarios from bandlimited observations of communication signals is challenging because the multipath channel impulse response (CIR) is not bandlimited. Modeling the CIR as a sparse sequence of Diracs, TOA estimation becomes a problem of parametric spectral...
conference paper 2019
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Thedens, P. (author), De Oliveira Andrade, G.L. (author), Schmehl, R. (author)
We present a multidisciplinary design optimization method for the profile and structural reinforcement layout of a ram‐air kite rib. The aim is to minimize the structural elastic energy and to maximize the traction power of a ram‐air kite used for airborne wind energy generation. Because of the large deformations occurring during flight, a fluid...
journal article 2019
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Wang, Anqi (author), Solomatine, D.P. (author)
Currently, practically no modeling study is expected to be carried out without some form of Sensitivity Analysis (SA). At the same time, there is a large number of various methods and it is not always easy for practitioners to choose one. The aim of this paper is to briefly review main classes of SA methods, and to present the results of the...
journal article 2019
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Inel, O. (author), Aroyo, Lora (author)
Event detection is still a difficult task due to the complexity and the ambiguity of such entities. On the one hand, we observe a low inter-annotator agreement among experts when annotating events, disregarding the multitude of existing annotation guidelines and their numerous revisions. On the other hand, event extraction systems have a...
conference paper 2019
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Abu Lebdeh, M.F.M. (author), Reinsalu, Uljana (author), Du Nguyen, H.A. (author), Wong, J.S.S.M. (author), Hamdioui, S. (author)
Emerging computing applications (such as big-data and Internet-of-things) are extremely demanding in terms of storage, energy and computational efficiency, while today’s architectures and device technologies are facing major challenges making them incapable to meet these demands. Computation-in-Memory (CIM) architecture based on memristive...
conference paper 2019
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Athanasopoulou, A. (author), de Reuver, G.A. (author), Nikou, Shahrokh (author), Bouwman, W.A.G.A. (author)
The automotive industry is experiencing a phase of rapid innovation, with emergent technologies underpinning the realisation of self-driving cars, increased use of data and data analytics, sensors to enable car components to connect to the Internet-of-Things and the use of alternative energy sources, such as electric vehicles. Such...
journal article 2019
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Ozer, I.E. (author), Rikkert, S.J.H. (author), van Leijen, F.J. (author), Jonkman, Sebastiaan N. (author), Hanssen, R.F. (author)
We hebben in Nederland ongeveer 20.000 km waterkeringen en het is kostbaar en tijdrovend om deze regelmatig fysiek te inspecteren. Met radarsatellieten wordt deformatie op meer plekken, vaker, en nauwkeuriger gemeten. Hierdoor kan het gedrag van keringen continu worden gemonitord en kan afwijkend gedrag vroegtijdig worden gedetecteerd. Deze...
journal article 2019
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Jaxa-Rozen, M. (author), Kwakkel, J.H. (author), Bloemendal, J.M. (author)
The modelling of social-ecological systems can provide useful insights into the interaction of social and environmental processes. However, quantitative social-ecological models should acknowledge the complexity and uncertainty of both underlying subsystems. For example, the agent-based models which are increasingly popular for groundwater...
journal article 2019
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Akgün, O.C. (author), Mangia, Mauro (author), Pareschi, Fabio (author), Rovatti, Riccardo (author), Setti, Gianluca (author), Serdijn, W.A. (author)
This paper presents the design of an ultra-low energy, rakeness-based compressed sensing (CS) system that utilizes time-mode (TM) signal processing (TMSP). To realize TM CS operation, the presented implementation makes use of monostable multivibrator based analog-to-time converters, fixed-width pulse generators, basic digital gates and an...
conference paper 2019
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Eslami Baladeh, Aliakbar (author), Cheraghi, Morteza (author), Khakzad Rostami, N. (author)
Optimal selection of safety measures (SMs) is a challenging task for safety managers due to its importance, complexity, and incapability of traditional approaches in considering all the aspects of SMs optimal selection. Sophisticated mathematical models can be used to overcome the limitations of traditional approaches. However, setting the...
journal article 2019
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