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Lnenicka, Martin (author), Nikiforova, Anastasija (author), Luterek, Mariusz (author), Milic, Petar (author), Rudmark, Daniel (author), Neumaier, Sebastian (author), Santoro, C. (author), Casiano Flores, Cesar (author), Janssen, M.F.W.H.A. (author), Rodríguez Bolívar, Manuel Pedro (author)Open government and open (government) data are seen as tools to create new opportunities, eliminate or at least reduce information inequalities and improve public services. More than a decade of these efforts has provided much experience, practices, and perspectives to learn how to better deal with them. This paper focuses on benchmarking of...journal article 2024
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Bliek, Laurens (author), Guijt, A. (author), Karlsson, R.K.A. (author), Verwer, S.E. (author), de Weerdt, M.M. (author)Surrogate algorithms such as Bayesian optimisation are especially designed for black-box optimisation problems with expensive objectives, such as hyperparameter tuning or simulation-based optimisation. In the literature, these algorithms are usually evaluated with synthetic benchmarks which are well established but have no expensive objective...journal article 2023
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Braun, M. (author)This thesis addresses the topic of visual person detection and pose estimation. While these tasks are relevant for a broad range of applications, this thesis focuses on the domain of intelligent vehicles in urban traffic scenes. This domain is particularly interesting due to specific challenges related to visual perception from a moving vehicle....doctoral thesis 2022
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Verbruggen, L.A.H. (author), van Duin, Ron (author), Tavasszy, Lorant (author), Schoenmaker, R. (author), Cornelissen, S.C. (author)Over the past decade, the complexity of operations in maritime port areas has increased significantly. Considering the challenges ports are facing with the maintenance of aging infrastructures, the need for asset management efficiency within the port industry is imperative. The willingness to ensure continuous improvement has contributed to a...journal article 2022
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Marijan, Dusica (author), Lal, C. (author)As blockchain technology is gaining popularity in industry and society, solutions for Verification and Validation (V&V) of blockchain-based software applications (BC-Apps) have started gaining equal attention. To ensure that BC-Apps are properly developed before deployment, it is paramount to apply systematic V&V to verify their...review 2022
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Devroey, Xavier (author), Gambi, Alessio (author), Galeotti, Juan Pablo (author), Just, René (author), Kifetew, Fitsum Meshesha (author), Panichella, Sebastiano (author), Panichella, A. (author)Researchers and practitioners have designed and implemented various automated test case generators to support effective software testing. Such generators exist for various languages (e.g., Java, C#, or Python) and various platforms (e.g., desktop, web, or mobile applications). The generators exhibit varying effectiveness and efficiency,...journal article 2022
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van der Linden, J.G.M. (author), Lane, N.R. (author), de Weerdt, M.M. (author)Due to increasing numbers of intermittent and distributed generators in power systems, there is an increasing need for demand responses to maintain the balance between electricity generation and use at all times. For example, the electrification of transportation significantly adds to the amount of flexible electricity demand. Several methods...journal article 2021
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Zeng, Q. (author), Beelaerts van Blokland, W.W.A. (author), Santema, S.C. (author), Lodewijks, Gabriel (author)Purpose: Current literature presents limited measurement methods of quantifying manufacturers' performance with environmental concerns. The purpose of this paper is to construct a company performance index for benchmarking motor vehicle manufacturers (MVMs) with environmental concerns. Design/methodology/approach: Methods of constructing the...journal article 2020
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Grulich, Philipp M. (author), Traub, Jonas (author), Bress, Sebastian (author), Katsifodimos, A (author), Markl, Volker (author), Rabl, Tilmann (author)Evaluating modern stream processing systems in a reproducible manner requires data streams with different data distributions, data rates, and real-world characteristics such as delayed and out-of-order tuples. In this paper, we present an open source stream generator which generates reproducible and deterministic out-of-order streams based on...conference paper 2019
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Molina, Urko Rueda (author), Kifetew, Fitsum Meshesha (author), Devroey, Xavier (author)This short paper reports our observations after six editions of the JUnitContest that benchmarks automated unit test generation tools for Java programs. We discuss our experience and depict the current state-of-the-art and identify potential future research directions. We advocate the use of benchmark as a standard practice to enhance maturity...conference paper 2019
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Bauer, André (author), Lesch, Veronika (author), Versluis, L.F.D. (author), Ilyushkin, A.S. (author), Herbst, Nikolas (author), Kounev, Samuel (author)Nowadays, in order to keep track of the fast-changing requirements of Internet applications, auto-scaling is used as an essential mechanism for adapting the number of provisioned resources to the resource demand. The straightforward approach is to deploy a set of common and opensource single-service auto-scalers for each service independently....conference paper 2019
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Blank, J.L.T. (author), Enserink, B. (author), van Heezik, A.A.S. (author)In the last four decades, the Dutch drinking water industry has undergone two major policy reforms, namely the consolidation of the industry by stimulating mergers and the introduction of yardstick competition by applying benchmarks. This paper addresses the question of whether these two instruments have improved productivity. Productivity...journal article 2019
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Al-Washali, T.M.Y. (author), Sharma, Saroj (author), Al-Nozaily, Fadhl (author), Haidera, Mansour (author), Kennedy, M.D. (author)Water utilities should monitor their nonrevenue water (NRW) levels properly to manage water losses and sustain water services. However, monitoring NRW is problematic in an intermittent water supply regime. This is because more supplied water to users imposes higher volumes of NRW, and supplying significantly less water results in an unmet water...journal article 2019
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Liang, Xinlian (author), Hyyppä, Juha (author), Kaartinen, Harri (author), Lehtomäki, Matti (author), Pyörälä, Jiri (author), Pfeifer, Norbert (author), Holopainen, Markus (author), Wang, Di (author), Wang, J. (author)The last two decades have witnessed increasing awareness of the potential of terrestrial laser scanning (TLS) in forest applications in both public and commercial sectors, along with tremendous research efforts and progress. It is time to inspect the achievements of and the remaining barriers to TLS-based forest investigations, so further...journal article 2018
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van der Voordt, Theo (author), Jensen, Per Anker (author)Purpose: The purpose of this paper is to present a process model of value-adding corporate real estate and facilities management and indicators that can be used to measure and benchmark workplace performance and the added value of workplace interventions for an organisation. Design/methodology/approach: The paper compares the performance...journal article 2018
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Lu, Z. (author), Shyrokau, B. (author), Boulkroune, Boulaid (author), Van Aalst, Sebastiaan (author), Happee, R. (author)Although extensive research has been conducted to design path-following algorithms for automated vehicles, the cross comparison between different path-following controllers is still weakly-analyzed. Therefore, we benchmarked five path-following algorithms to evaluate their performance according to various disturbances like gust wind, drop of...conference paper 2018
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Huijgens, H.K.M. (author), van Deursen, A. (author), Minku, Leandro L. (author), Lokan, Chris (author)Context: The research literature on software development projects usually assumes that effort is a good proxy for cost. Practice, however, suggests that there are circumstances in which costs and effort should be distinguished. Objectives: We determine similar-ities and differences between size, effort, cost, duration, and num-ber of defects of...conference paper 2017
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van der Voordt, Theo (author), Jensen, Per Anker (author)This paper aims to present a process model of value adding corporate real estate and facilities management and to discuss which indicators can be used to measure and benchmark workplace performance. <br/><br/>In order to add value to the organisation, the work environment has to provide value for money by a positive trade-off between the...conference paper 2017
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de Goede, J.A.C. (author), Enserink, B. (author), Worm, G.I.M. (author), van der Hoek, J.P. (author)The Dutch drinking water sector has been benchmarked every 3 years since 1997, and the sector has significantly improved performance since then.Based on interviews withCEOs and financial managers of drinkingwater companies<br/>five drivers for improvement as a result of this benchmark are identified: ‘learning effect’, ‘enhanced transparency’, ...journal article 2016
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Klaver, T.P.C. (author), del Rio, E. (author), Bonny, G (author), Eich, S.M. (author), Caro, A. (author)We present empirical potential and Density Functional Theory results of interstitials in FeCr and pure Cr. Results show that potentials for the original and revised two-band model, a recently introduced third two-band model, and for the revised concentration-dependent model produce errors of up to multiple eV in formation and binding energies...journal article 2016
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