Searched for: subject%3A%22evolution%22
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Chang, Li Fu (author), Norte, R.A. (author), Westerveld, W.J. (author), Tseng, Shuo Yen (author)
Efficient coupling of light from an optical fiber to silicon waveguides is a challenging task in integrated photonics. Couplers based on adiabatic mode evolution have the advantages of high bandwidth and low loss but are often accompanied by longer device lengths. In this paper, we introduce the concept of adiabaticity map and optimize the...
conference paper 2023
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Altena, A. (author), Luesutthiviboon, S. (author), de Croon, G.C.H.E. (author), Snellen, M. (author), Voskuijl, M. (author)
Due to technological advances in the drone industry, security threats induced by unmanned aerial vehicles (UAVs) are becoming more relevant. Fast and accurate localisation systems need to be designed. One approach is localisation of UAVs by their sound using acoustic techniques. So far, a systematic performance assessment of acoustic...
conference paper 2023
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van Zoelen, E.M. (author), Mioch, T. (author), Tajaddini, M. (author), Fleiner, Christian (author), Tsaneva, Stefani (author), Camin, Pietro (author), Gouvêa, Thiago S. (author), Baraka, Kim (author), De Boer, Maaike H.T. (author), Neerincx, M.A. (author)
With artificial intelligence (AI) systems entering our working and leisure environments with increasing adaptation and learning capabilities, new opportunities arise for developing hybrid (human-AI) intelligence (HI) systems, comprising new ways of collaboration. However, there is not yet a structured way of specifying design solutions of...
conference paper 2023
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Tricarico, Gioacchino (author), Wagle, Raju (author), Martinez, Jesus Castro (author), Gonzalez-Longatt, Francisco (author), Dicorato, Maria (author), Forte, Giuseppe (author), Rueda, José L. (author)
Distribution grids are subject to a drastic evolution in their operating conditions due to the high integration of renewable energy resources (RES) and their ability to regulate voltage. To cope with this issue, modern solar photovoltaic (PV) systems are equipped with smart inverters enabled with communication capabilities that allow the...
conference paper 2023
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Bartlett, A.J. (author), Liem, C.C.S. (author), Panichella, A. (author)
Deep learning (DL) models are known to be highly accurate, yet vulnerable to adversarial examples. While earlier research focused on generating adversarial examples using whitebox strategies, later research focused on black-box strategies, as models often are not accessible to external attackers. Prior studies showed that black-box approaches...
conference paper 2023
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Wang, Wei (author), Zhang, Shizhe (author), Guang, Ye (author), Noguchi, Takafumi (author)
Alkali activated materials (AAMs) have received worldwide attention due to its lower embodied energy and environmental impact than that of traditional cementitious materials. However, the activators with high alkalinity may raise the risk of alkali silica reaction (ASR) induced deterioration when reactive aggregates are used, which thereby...
conference paper 2021
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Wang, Wei (author), Zhang, Shizhe (author), Ye, G. (author), Noguchi, Takafumi (author)
Alkali activated materials (AAMs) have received worldwide attention due to its lower embodied energy and environmental impact than that of traditional cementitious materials. However, the activators with high alkalinity may raise the risk of alkali silica reaction (ASR) induced deterioration when reactive aggregates are used, which thereby...
conference paper 2021
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Kohno, Kotaro (author), Kawabe, Ryohei (author), Tamura, Yoichi (author), Endo, A. (author), Baselmans, J.J.A. (author), Karatsu, K. (author), Inoue, Akio K. (author), Moriwaki, Kana (author), Hayatsu, Natsuki H. (author)
We present a conceptual study of a large format imaging spectrograph for next-generation large (50-m class) single-dish telescopes, i.e., the Large Submillimeter Telescope (LST) and Atacama Large Aperture Submillimeter Telescope (AtLAST). Recent discoveries of high-redshift star-forming galaxies at z=8-9 and candidate quiescent galaxies at z~6...
conference paper 2020
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Roy, Devjeet (author), Zhang, Ziyi (author), Ma, Maggie (author), Arnaoudova, Venera (author), Panichella, A. (author), Panichella, Sebastiano (author), Gonzalez, Danielle (author), Mirakhorli, Mehdi (author)
Automated test case generation tools have been successfully proposed to reduce the amount of human and infrastructure resources required to write and run test cases. However, recent studies demonstrate that the readability of generated tests is very limited due to (i) uninformative identifiers and (ii) lack of proper documentation. Prior...
conference paper 2020
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Storm, R.M.R. (author), van Maanen, Jeffrey (author), Gonçalves, M. (author)
In their early years of education, design students may experience difficulties in reframing design problems. Since reframing is linked to creativity, this may be problematic. While there are some models available to describe the reframing process, it is yet unclear how they are supporting design students. This study concerned the development and...
conference paper 2019
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Ünlü, Püren (author), Ekici, B. (author), Chatzikonstantinou, I. (author), Sariyildiz, I.S. (author), Tasgetiren, Mehmet Fatih (author), Çubukçuoglu, C. (author)
This paper discusses a set of façade design alternatives for form-finding problem focusing on conceptual phase. In this respect, the aim of the research is to propose a multi-objective optimization approach for a façade design of public pool building. We present a set of solution belonging to Self-adaptive Multi-objective Ensemble Differential...
conference paper 2018
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Gerasimou, Simos (author), Kechagia, M. (author), Kolovos, Dimitris (author), Paige, Richard (author), Gousios, G. (author)
Software libraries, typically accessible through Application Programming<br/>Interfaces (APIs), enhance modularity and reduce development time. Nevertheless, their use reinforces system dependency on third-party software. When libraries become obsolete or their APIs change, performing the necessary modifications to dependent systems, can be time...
conference paper 2018
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Oosterwaal, Sebastiaan (author), van Deursen, A. (author), De Souza Coelho, R. (author), Sawant, A.A. (author), Bacchelli, A. (author)
One of the tasks of reviewers is to verify that code modifications are well tested. However, current tools offer little support in understanding precisely how changes to the code relate to changes to the tests. In particular, it is hard to see whether (modified) test code covers the changed code. To mitigate this problem, we developed OPERIAS...
conference paper 2016
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Dintzner, N.J.R. (author), van Deursen, A. (author), Pinzger, M. (author)
The study of the evolution of highly configurable systems requires a thorough understanding of thee core ingredients of such systems: (1) the underlying variability model; (2) the assets that together implement the configurable features; and (3) the mapping from variable features to actual assets. Unfortunately, to date no systematic way to...
conference paper 2016
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Spruit, R. (author), Hannink, G. (author), Mastbroek, H. (author), Van Hengstum, L. (author)
During a design process the risk profile of a project continuously evolves. Often a project progresses through a diamond shaped risk envelope. The initial concept is simple, but during the engineering process several risks are defined and mitigated, making the design increasingly complex. With additional investigations and calculations, some of...
conference paper 2015
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Giyanani, A.H. (author), Bierbooms, W.A.A.M. (author), Van Bussel, G.J.W. (author)
Remote sensing of the atmospheric variables with the use of LiDAR is a relatively new technology field for wind resource assessment in wind energy. The validation of LiDAR measurements and comparisons is of high importance for further applications of the data.
conference paper 2015
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Soetens, Quinten David (author), Pérez, Javier (author), Demeyer, Serge (author), Zaidman, A.E. (author)
Today, refactoring reconstruction techniques are snapshot-based: they compare two revisions from a source code man-agement system and calculate the shortest path of edit op-erations to go from the one to the other. An inherent risk with snapshot-based approaches is that a refactoring may be concealed by later edit operations acting on the...
conference paper 2015
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Reyns, J. (author), Dastgheib, A. (author), Ranasinghe, R.W.M.R.J.B. (author), Luijendijk, A.P. (author), Walstra, D.J.R. (author), Roelvink, J.A. (author)
A hampering factor in the application of morphodynamic models is the potential excessive time needed to complete a simulation. One way to upscale a model run is the use of a morphological factor, or MORFAC. In this paper, we investigate the upper limit to the value of the MORFAC as a function of model geometry and timestep for a schematized case...
conference paper 2014
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Kasmire, J. (author), Dijkema, G.P.J. (author), Nikolic, I. (author)
Horticulture, a pillar of the Dutch economy, has already achieved remarkable productivity increases through the use of natural gas for heating, lighting and CO2. Further innovative technologies that could aid the transition toward sustainable energy use, including heat/cold storage and deepgeothermal heat sources, are currently in development...
conference paper 2012
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Read, S.A. (author), Lopes Gil, J.A. (author)
Space syntax reveals structure in the plans of cities. It misses however an explanation of how this structure arises and what it means. We argue political geographies are structured by the way we have constructed them historically as social organisation, and the means (technique) we have used. These structures depend on a layering of state of...
conference paper 2012
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