Searched for: subject:"Contract"
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Bastiaansen, H.J.M. (author), Dalmolen, S. (author), Kollenstart, M. (author), van Engers, T.M. (author)
Organizations increasingly collaborate in digital ecosystems, whilst being aware that data is becoming a key asset. They require improved data control capabilities that prevent their shared data from being misused. Currently, such capabilities are typically realized as situation-specific closed ecosystem solutions in a ‘hub-model’ approach. This...
conference paper 2020
document
den Otter, C. (author), Maljaars, J. (author)
Bolted connections are applied in many aluminium structures. Stainless steel bolts are often preferred over carbon steel bolts in aluminium connections to prevent galvanic corrosion. However, current design standards and guidelines do not allow for using preloaded stainless steel bolts in slip resistant connections, mainly because of a lack of...
article 2020
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Dresscher, M. (author), Jayawardhana, B. (author)
We study a containment control problem (CCP) and a shape control problem (SCP) for systems whose initial condition is a random variable with known distribution. The two control problems both require exponential convergence to a desired trajectory, which is complemented by either; (i) a required cumulative distribution over a prescribed...
article 2020
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Bastiaansen, H.J.M. (author), Kollenstart, M. (author), Dalmolen, S. (author), van Engers, T.M. (author)
Organizations increasingly collaborate in digital ecosystems, whilst being aware that data is becoming a key asset. They require improved data control capabilities that prevent their shared data from being misused. Currently, such capabilities are typically realized as situation-specific closed ecosystem solutions in a 'hub-model' approach. This...
conference paper 2020
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Koopman, A.S. (author), Naf, M. (author), Baltrusch, S.J. (author), Kingma, I. (author), Rodriguez-Guerrero, C. (author), Babic, J. (author), de Looze, M.P. (author), van Dieën, J.H. (author)
The number one cause of disability in the world is low-back pain, with mechanical loading as one of the major risk factors. To reduce mechanical loading, exoskeletons have been introduced in the workplace. Substantial reductions in back muscle activity were found when using the exoskeleton during static bending and manual materials handling....
article 2020
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Tabasi, A. (author), Kingma, I. (author), de Looze, M.P. (author), van Dijk, W. (author), Koopman, A.S. (author), van Dieën, J.H. (author)
Back support exoskeletons are designed to prevent work-related low-back pain by reducing mechanical loading. For actuated exoskeletons, support based on moments actively produced by the trunk muscles appears a viable approach. The moment can be estimated by a biomechanical model. However, one of the main challenges here is the feasibility of...
article 2020
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Bouwhuis, S. (author), Geuskens, G.A. (author), van der Beek, A.J. (author), Boot, C.R.L. (author)
We are writing in regards to the review by Koranyi et al (1) on precarious employment and occupational accidents and injuries. In the review, multiple-job holding was classified as a type of precarious employment. In this letter, we argue multiple-job holding should not be considered a type of precarious employment and that multiple-job holders...
article 2019
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Borsboom, W.A. (author), Kornaat, W. (author), van Beek, P.J.G. (author), Brink, N.J. (author), Lanooy, T. (author)
Traditionally ventilation systems in the Netherlands are installed in new or retrofitted buildings by an installation fitter under the responsibility of a contractor. In some cases but certainly not all cases, it is checked by a consultant if the ventilation system performs according to the design. Studies in the Netherlands show that...
conference paper 2019
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Honig, J.J. (author), Everts, M.H. (author), Huisman, M. (author)
Solidity smart contracts operate in a hostile environment, which introduces the need for the adequate application of testing techniques to ensure mitigation of the risk of a security incident. Mutation testing is one such technique. It allows for the evaluation of the efficiency of a test suite in detecting faults in a program, allowing...
conference paper 2019
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Everts, M.H. (author), Muller, F. (author)
Smart contracts are believed to be the next step in inter-party automation; traditional trusted third parties are to be replaced by small pieces of code running on a distributed system that written by fallible humans. However, at the end of the day, these smart contracts controlling high-value assets are pieces of code written by fallible humans...
other 2018
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van Teeffelen, K.J. (author), Dresscher, D. (author), van Dijk, W. (author), Stramigioli, S. (author)
Humans have multiple ways to adapt their arm dynamics to the task they have to perform. One way of doing this is through co-contraction of antagonist muscles. In telemanipulation this ability is easily lost due to time delays, quantization effects, bandwidth or hardware limitations. In this work a new concept for telemanipulation is presented....
conference paper 2018
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Chia, V. (author), Hartel, P. (author), Hum, Q. (author), Ma, S. (author), Piliouras, G. (author), Reijsbergen, D. (author), van Staalduinen, M. (author), Szalachowski, P. (author)
Blockchain technology has become almost as famous for incidents involving security breaches as for its innovative potential. We shed light on the prevalence and nature of these incidents through a database structured using the STIX format. Apart from OPSEC-related incidents, we find that the nature of many incidents is specific to blockchain...
conference paper 2018
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Hiemstra-van Mastrigt, S. (author), Kamp, I. (author), van Veen, S.A.T. (author), Vink, P. (author), Bosch, T. (author)
New technologies have led to an increasingly sedentary lifestyle. Sedentary behaviour is characterised by physical inactivity and is associated with several health risks. This excessive sitting does not only take place in the office or at home, but also during daily commute. Therefore, BMW AG developed an active seating system for the back seat...
article 2015
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Klein Hesselink, J. (author), Verbiest, S. (author), Goudswaard, A. (author)
Temporary employment contracts are often used by employers to manage fluctuations in personnel needs. Many sectors of industry experience these fluctuations, which are often seasonal. This creates uncertainty about the continuousness of demand for work, which is transferred from employers to employees through the use of temporary contracts....
other 2014
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Wagenaar, A.F. (author), Kompier, M.A.J. (author), Houtman, I.L.D. (author), van den Bossche, S. (author), Smulders, P.G.W. (author), Taris, T.W. (author)
Study aim: We hypothesise that due to a lower quality of working life and higher job insecurity, the health and workrelated attitudes of temporary workers may be less positive compared to permanent workers. Therefore, we aimed to (1) examine differences between contract groups (i.e. permanent contract, temporary contract with prospect of...
article 2012
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Wagenaar, A.F. (author), Kompier, M.A.J. (author), Houtman, I.L.D. (author), van den Bossche, S.N.J. (author), Taris, T.W. (author)
OBJECTIVE:: The healthy worker effect implies that healthy workers go "up" in employment status whereas less healthy workers go "down" into precarious temporary employment or unemployment. These hypotheses were tested during an economic recession, by predicting various upward and downward contract trajectories, based on workers' health status,...
article 2012
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Ellegast, R.P. (author), Kraft, K. (author), Groenesteijn, L. (author), Krause, F. (author), Berger, H. (author), Vink, P. (author)
Prolonged and static sitting postures provoke physical inactivity at VDU workplaces and are therefore discussed as risk factors for the musculoskeletal system. Manufacturers have designed specific dynamic office chairs featuring structural elements which promote dynamic sitting and therefore physical activity. The aim of the present study was to...
article 2012
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Wagenaar, A.F. (author), Taris, T.W. (author), Houtman, I.L.D. (author), van den Bossche, S. (author), Smulders, P.G.W. (author), Kompier, M.A.J. (author)
Current theorizing holds that organizations may be less motivated to offer good work circumstances to temporary workers because the latter do not constitute the core of the organization. This implies that their quality of working life and work satisfaction could be lower than that of permanent workers. Therefore, it is potentially important to...
article 2012
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Wagenaar, A.F. (author), Kompier, M.A.J. (author), Houtman, I.L.D. (author), van den Bossche, S.N.J. (author), Taris, T.W. (author)
Objectives: Changes in employment contracts may impact the quality of working life, job insecurity, health and work-related attitudes. We examined the validity of two partly competing theoretical approaches. Based upon a segmentation approach, we expected no change in scores among stable trajectories, whereas upward trajectories were expected to...
article 2012
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Hupkes, M. (author), Jonsson, M.K.B. (author), Scheenen, W.J. (author), van Rotterdam, W. (author), Sotoca, A.M. (author), van Someren, E.P. (author), van der Heyden, M.A.G. (author), van Veen, T.A. (author), van Ravestein-Van Os, R.I. (author), Bauerschmidt, S. (author), Piek, E. (author), Ypey, D.L. (author), van Zoelen, E.J. (author), Dechering, K.J. (author)
Mesenchymal progenitor cells can be differentiated in vitro into myotubes that exhibit many characteristic features of primary mammalian skeletal muscle fibers. However, in general, they do not show the functional excitation-contraction coupling or the striated sarcomere arrangement typical of mature myofibers. Epigenetic modifications have been...
article 2011
Searched for: subject:"Contract"
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