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van Os, W.J. (author), Uijttewaal, W.S.J. (author), Labeur, R.J. (author), Osório, A.L.N.A. (author), Mosselman, E. (author), Lokin, L.R. (author)Groynes have been replaced by longitudinal training walls in an 11-km long pilot project to optimize training of the river Waal in the Netherlands. These train ing walls improve navigability, reduce flood levels, create a sheltered second channel with more favourable ecological conditions, and decrease the erosive action on the river bed that...conference paper 2020
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Panagoulias, S. (author), Hosseini, S. (author), Brinkgreve, R.B.J. (author), Burd, H. J. (author)This paper describes an implementation of the methodology, developed in Phase 2 the recent PISA (PIle Soil Analysis) joint industry research project, for the design of laterally-loaded monopiles in layered soils. The software PLAXIS MoDeTo and PLAXIS 3D are employed to obtain the soil reaction curves that are required for the method, following...conference paper 2019
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Lambregts, Steven (author), Chen, H. (author), Ning, Jianting (author), Liang, K. (author)Searchable Encryption schemes provide secure search over encrypted databases while allowing admitted information leakages. Generally, the leakages can be categorized into access and volume pattern. In most existing SE schemes, these leakages are caused by practical designs but are considered an acceptable price to achieve high search...conference paper 2022
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Zhang, Feiran (author), Broz, F. (author), Dertien, Edwin (author), Kousi, Nefeli (author), Van Gurp, Jules A.M. (author), Ferrari, Oriana Isabella (author), Malagon, Ignacio (author), Barakova, Emilia I. (author)There is growing interest in psychological interventions using socially assistive robots to mitigate distress and pain in the pediatric population. This work seeks to address the deficit in understanding of what features and functionality young children and their parents desire to help with pain management by using co-design, a common...conference paper 2022
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Campos de Oliveira, A. (author), Groenesteijn, Jarno (author), Wiegerink, Remco J. (author), Makinwa, K.A.A. (author)Precision flow sensors are widely used in the pharmaceutical, food, and semiconductor industries to measure small amounts (<1 gram/hour) of liquids and gases. MEMS thermal flow sensors currently achieve state-of-the-art performance in terms of resolution, size, and power consumption [1, 3]. However, they only measure volumetric flow, and...conference paper 2021
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Vuik, V. (author), Jonkman, Sebastiaan N. (author), van Vuren, S. (author)Vegetated foreshores such as salt marshes, mangrove forests and reed fields can reduce wave loads on coastal dikes due to depth-induced wave breaking and wave attenuation by vegetation. Here we present field measurements of wave propagation over salt marshes during severe storm conditions, a modelling approach to describe the effect of...conference paper 2016
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- Boahemaa Pinto, Rose (author), Barendse, Tom (author), Van Emmerik, Tim H.M. (author), an der Ploeg, Martine (author), Annor, F.O. (author), Duah, Kwame (author), Udo, Job (author), Lugt, Dorien (author), Uijlenhoet, R. (author) conference paper 2022
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Klerk, W.J. (author), Roscoe, K. L. (author), Tijssen, A. (author), Nicolai, R. P. (author), Sap, J. (author), Schins, F. (author)In The Netherlands, inspection and maintenance are essential for maintaining stringent flood protection standards. Flood defences are assessed every 12 years to ensure they meet their risk-based safety standards,which are given as legally-binding maximum failure probabilities. Between assessments, flood defence managers are subject to risk...conference paper 2019
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Huisman, T. (author), van der Linden, J.G.M. (author), Demirović, E. (author)Survival analysis studies and predicts the time of death, or other singular unrepeated events, based on historical data, while the true time of death for some instances is unknown. Survival trees enable the discovery of complex nonlinear relations in a compact human comprehensible model, by recursively splitting the population and predicting...conference paper 2024
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Du, L. (author), Zhao, Xiujuan (author), Watte, Piet (author), Poelma, René H. (author), van Driel, W.D. (author), Zhang, Kouchi (author)The objective of this article is to investigate the thermal-fatigue properties of a commercially available lead-free solder alloy (SnBiAgCu) under the use of different types of potting compounds. Solder alloys with lower silver content are expected to substitute the conventional solder alloys SAC305 (Sn-3.0Ag-0.5Cu). First, the tensile...conference paper 2022
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de Jager, R.R. (author), Maghsoudloo, A. (author), Askarinejad, A. (author), Molenkamp, F. (author)The liquefaction tank is an experimental facility developed to conduct physical scale model tests of liquefaction flow slides. We developed the liquefaction tank to evaluate the performance of advanced numerical models for submerged slopes composed of sand. For the long-term, the research with the liquefaction tank aims at composing a database...conference paper 2017
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Duffy, K. (author), Gavin, Kenneth (author), Askarinejad, A. (author), Korff, M. (author), de Lange, D.A. (author), Roubos, A.A. (author)Large areas of the Netherlands are dominated by deep, soft soil deposits, posing a challenge to engineers with respect to the design of axially loaded foundations. The design of these foundations is primarily based on methods which use cone penetration test (CPT) parameters, such as that outlined in the Dutch national standard NEN 9997-1. A...conference paper 2022
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Valle Torre, M. (author), Oertel, Catharine (author), Specht, M.M. (author)Describing and analysing learner behaviour using sequential data and analysis is becoming more and more popular in Learning Analytics. Nevertheless, we found a variety of definitions of learning sequences, as well as choices regarding data aggregation and the methods implemented for analysis. Furthermore, sequences are used to study different...conference paper 2024
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Concha, Esteban (author), Rivera, Sebastian (author), Dekka, Apparao (author), Lizana F., Ricardo (author)Modular multilevel series-parallel converters (MM-SPC) have become a suitable solution to provide higher operating voltages, fault tolerance operation, and reliability at a reduced cost, due to their ability to achieve a simpler internal voltage balance. Therefore, MMSPC is a promising solution for applications where the nominal operating...conference paper 2023
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Barrera, Felipe (author), Lizana F., Ricardo (author), Alcaide, Abraham M. (author), Rivera, Sebastian (author)The Hexagonal power converter has become a suitable solution to provide high-quality voltage waveforms while achieving decoupled control of three DC terminals as well. In this case, the internal voltage balance of the different storage units is the main concern for the correct operation of the Hexagonal converter. Moreover, the Modular...conference paper 2023
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Fierro, Felipe (author), Lizana F., Ricardo (author), Alcaide, Abraham M. (author), Rivera, Sebastian (author)The MMC converter is the key topology for HVDC applications. In these systems, a major complexity is the number of modules and components required per phase to achieve nominal voltage and current levels for applications in transmission system. In this paper, the topology and control of a two-phase MMC system for HVDC applications is presented....conference paper 2023
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Sun, Zhu (author), Yang, J. (author), Feng, Kaidong (author), Fang, Hui (author), Qu, Xinghua (author), Ong, Yew Soon (author)Product bundling is a commonly-used marketing strategy in both offline retailers and online e-commerce systems. Current research on bundle recommendation is limited by: (1) noisy datasets, where bundles are defined by heuristics, e.g., products co-purchased in the same session; and (2) specific tasks, holding unrealistic assumptions, e.g.,...conference paper 2022
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Wu, L. (author), Perin, G. (author), Picek, S. (author)Deep learning-based side-channel analysis is rapidly positioning itself as a de-facto standard for the most powerful profiling side-channel analysis.The results from the last few years show that deep learning techniques can efficiently break targets that are even protected with countermeasures. While there are constant improvements in making...conference paper 2022
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Chang, Brian (author), Yang, Liufei (author), Sensi, M. (author), Achterberg, M.A. (author), Wang, F. (author), Rinaldi, M. (author), Van Mieghem, P.F.A. (author)We introduce a Markov Modulated Process (MMP) to describe human mobility. We represent the mobility process as a time-varying graph, where a link specifies a connection between two nodes (humans) at any discrete time step. Each state of the Markov chain encodes a certain modification to the original graph. We show that our MMP model...conference paper 2022
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Chen, H. (author), Fu, S. (author), Liang, K. (author)Updatable encryption (UE) enables the cloud server to update the previously sourced encrypted data to a new key with only an update token received from the client. Two interesting works have been proposed to clarify the relationships among various UE security notions. Jiang (ASIACRYPT 2020) proved the equivalence of every security notion in...conference paper 2022