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Pasqualetto Cassinis, L. (author), Fonod, R. (author), Gill, E.K.A. (author), Ahrns, Ingo (author), Gil Fernandez, Jesus (author)
This paper reports on a comparative assessment of Image Processing (IP) tech- niques for the relative pose estimation of uncooperative spacecraft with a monocular camera. Currently, keypoints-based algorithms suffer from partial occlusion of the target, as well as from the different illumination conditions be- tween the required offline database...
conference paper 2019
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Kechagia, M. (author), Devroey, X.D.M. (author), Panichella, A. (author), Gousios, G. (author), van Deursen, A. (author)
Application Programming Interfaces (APIs) typically come with (implicit) usage constraints. The violations of these constraints (API misuses) can lead to software crashes. Even though there are several tools that can detect API misuses, most of them suffer from a very high rate of false positives. We introduce Catcher, a novel API misuse...
conference paper 2019
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Klaassen, R.G. (author), Rooij, R.M. (author)
Despite the fact that interdisciplinarity is on top of the agenda at many higher education institutions, there are few practical guidelines on which to build interdisciplinary engineering curricula. This study focused on how interdisciplinarity is perceived at TU Delft, which interdisciplinary skills are assessed in these programmes, how these...
conference paper 2019
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Janssen, M.F.W.H.A. (author)
IT Governance is often viewed as an important factor for creating business value for firms. However, there is limited work investigating the relationship between architectural governance and the contributions of enterprise architecture (EA) to firm performance. Based on a study of more than 15 cases the analyzes shows that architectural...
conference paper 2019
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Gujarati, Arpan (author), Nasri, Mitra (author), Majumdar, Rupak (author), Brandenburg, Björn B. (author)
Estimating metrics such as the Mean Time To Failure (MTTF) or its inverse, the Failures-In-Time (FIT), is a central problem in reliability estimation of safety-critical systems. To this end, prior work in the real-time and embedded systems community has focused on bounding the probability of failures in a single iteration of the control loop,...
conference paper 2019
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Nasri, Mitra (author), Nelissen, Geoffrey (author), Brandenburg, Björn B. (author)
Most recurrent real-time applications can be modeled as a set of sequential code segments (or blocks) that must be (repeatedly) executed in a specific order. This paper provides a schedulability analysis for such systems modeled as a set of parallel DAG tasks executed under any limited-preemptive global job-level fixed priority scheduling...
conference paper 2019
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Cabo, A.J. (author), Klaassen, R.G. (author)
Increasing class sizes forces universities to change their education in ways that allow for independent learning for students. This study looks at a case where blended learning was introduced to alleviate some of the educationally negative consequences of large class sizes. Independent learning requires from the students to become more self...
conference paper 2019
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Cubuk, Ecem Buse Sevinc (author), Karkin, N. (author), Yavuz, Nilay (author)
In public administration (PA) literature, there are a number of big questions regarding institutional and organizational factors. Competency formation, availability of resources and citizen empowerment [1] are among them. The importance of big questions must not rely on instrumentality; rather should focus on how and whether they have...
conference paper 2019
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Pereira, Gabriela Viale (author), Estevez, Elsa (author), Krimmer, Robert (author), Janssen, M.F.W.H.A. (author), Janowski, Tomasz (author)
This workshop of the CAP4CITY (Erasmus+ Strengthening Governance Capacity for Smart Sustainable Cities) project is to promote and stimulate the discussion and networking in the area of Digital Government. Smart Sustainable Cities and related concepts of Digital, Intelligent and Smart Cities represent a progression of how cities around the...
conference paper 2019
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Ubacht, J. (author), Tan, Y. (author), Janssen, M.F.W.H.A. (author), Rukanova, B.D. (author)
The use of blockchain technology has the potential to change many core processes in society, industry, education, healthcare, business and government by introducing new ways of transacting that are expected to change the traditional ways in which organizations exchange data and money. Proponents of developing blockchain applications suggest...
conference paper 2019
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van Daalen, C. (author), Bots, P.W.G. (author), Dopper, S.M. (author)
conference paper 2019
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Moolenburgh, Ewoud (author), van Duin, Ron (author), Balm, Susanne (author), Altenburg, Martijn (author), Ploos van Amstel, Walther (author)
The demand for the transport of goods within the city is rising and with that the number of vans driving around. This has adverse effects on air quality, noise, safety and liveability in the city. LEFVs (Light Electric Freight Vehicles) offer a potential solution for this. There is already a lot of enthusiasm for the LEFVs and several companies...
conference paper 2019
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Lancelot, P.M.G.J. (author), De Breuker, R. (author)
In this paper, a methodology is presented to size an aircraft wing-box accounting for steady and dynamic loads combined with active control. Several aerodynamic corrections are used and benchmarked to ensure a consistent level of fidelity during the load analysis. Reduced order models (ROM) of the aircraft movables, gust loads and maneuvers...
conference paper 2019
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Anderson, Ross (author), Barton, Chris (author), Böhme, Rainer (author), Clayton, Richard (author), Hernandez Ganan, C. (author), Grasso, Tom (author), Levi, Michael (author), Moore, Tyler (author), Vasek, Marie (author)
In 2012 we presented the first systematic study of the costs of cybercrime. In this paper, we report what has changed in the seven years since. The period has seen major platform evolution, with the mobile phone replacing the PC and laptop as the consumer terminal of choice, with Android replacing Windows, and with many services moving to the...
conference paper 2019
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Rukanova, B.D. (author), Tan, Y. (author), Slegt, Micha (author), Molenhuis, Marcel (author), Van Rijnsoever, Ben (author), Plecko, Krunoslav (author), Caglayan, Bora (author), Shorten, Gavin (author)
Big data and analytics have received a lot of attention in e-government research over the last decade and practitioners and researchers are looking into the transformative power of this technology to create for example competitive advantage, and increase transparency. Recent research points out that while parties are aware of the transformative...
conference paper 2019
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Lukosch, H.K. (author), Lukosch, S.G. (author), Hoermann, Simon (author), Lindeman, Robert W. (author)
Fidelity of games as a concept describes the level of representation of, or accordance with reality. The level of fidelity has influence on the interaction between player and game. Our study discusses the outcomes of a literature study and three cases with the goal to propose a comprehensive framework of game fidelity. This framework could...
conference paper 2019
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He, L. (author), de Weerdt, M.M. (author), Yorke-Smith, N. (author)
An important class of scheduling problems is characterised by time-dependency and/or sequence-dependency with time windows. We introduce and analyze four algorithmic ideas for this class: a novel hybridization of adaptive large neighbourhood search (ALNS) and tabu search (TS), randomized generic neighbourhood operators, a partial sequence...
conference paper 2019
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Enqvist, Sebastian (author), Hansen, H.H. (author), Kupke, Clemens (author), Marti, Johannes (author), Venema, Yde (author)
Game logic was introduced by Rohit Parikh in the 1980s as a generalisation of propositional dynamic logic (PDL) for reasoning about outcomes that players can force in determined 2-player games. Semantically, the generalisation from programs to games is mirrored by moving from Kripke models to monotone neighbourhood models. Parikh proposed a...
conference paper 2019
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Slingerland, G. (author), Mulder, I.J. (author), Jaskiewicz, T.J. (author)
The current work explores the participation divide that is oftentimes at play within local citizen communities. The studied case illustrates a common situation where the majority of local citizens does not participate in public space improvement and maintenance activities organised by local community activists. The presented research involved...
conference paper 2019
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Kifetew, Fitsum Meshesha (author), Devroey, X.D.M. (author), Molina, Urko Rueda (author)
We report on the results of the seventh edition of the JUnit tool competition. This year, four tools were executed on a benchmark with (i) new classes, selected from real-world software projects, and (ii) challenging classes from the previous edition. We use Randoop and manual test suites from the projects as baselines. Given the interesting...
conference paper 2019
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