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Grunewald, S. (author), Janssen, B. (author), Schipper, H.R. (author), Vollers, K.J. (author), Walraven, J.C. (author)
This paper discusses the effect of intentional deformation of a flexible formwork after casting of the concrete and the influence of the characteristics of concrete in the fresh state on the quality of a concrete element. This deformation is intended to bring the concrete element in its desired final shape; the deformation typically takes place...
conference paper 2012
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Van der Toorn, A. (author), Van der Wiel, W.D. (author), De Rooij, M. (author), Janssen, H. (author), Kiljan, D.J. (author)
conference paper 2013
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Kuiper, E. (author), Van Dam, F. (author), Reiter, A. (author), Janssen, M.F.W.H.A. (author)
Cloud adoption in the public sector is taking off slowly, which is perceived as a problem. Models of factors influencing cloud adoption are derived for better understanding using literature and results obtained via desk research and surveys by the Cloud for Europe project. We conclude that several factors require further research, such as the...
conference paper 2014
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Janssen, M.F.W.H.A. (author)
The service-oriented enterprise (SOE) is often considered as the future model of organization. Yet there is little empirical research in this domain and limited insight into the benefits and disadvantages. In this paper we analyze a case study of a large, multinational banking company. This company is modularized in functions and business...
conference paper 2008
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Janssen, M. (author), Klischewski, R. (author), Demirkan, H. (author)
conference paper 2007
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Janssen, M.F.W.H.A. (author), Wagenaar, R. (author)
Information systems engineering projects in egovernment are confronted with high costs, lack of expertise and developing similar functionality over and over. A shared services centre might provide common services to local government organizations without affecting the autonomy of organizations and providing the flexibility to enhance and include...
conference paper 2004
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Janssen, O.T.A. (author), Van Haver, S. (author), Janssen, A.J.E.M. (author), Braat, J.J.M. (author), Urbach, H.P. (author), Pereira, S.F. (author)
Results are presented of mask imaging using the Extended Nijboer-Zernike (ENZ) theory of diffraction. We show that the efficiency of a mask imaging algorithm, derived from this theory, can be increased. By adjusting the basic Finite Difference Time Domain (FDTD) algorithm, we can calculate the near field of isolated mask structures efficiently,...
conference paper 2008
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Bharosa, N. (author), Janssen, M.F.W.H.A. (author)
During crises, relief agency commanders have to make decisions in a complex and uncertain environment, requiring them to continuously adapt to unforeseen environmental changes. In the process of adaptation, the commanders depend on information management systems for information. Yet there are still numerous reports of situations in which...
conference paper 2010
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Boella, G. (author), Hulstijn, J. (author), Humphreys, L. (author), Janssen, M.F.W.H.A. (author), Van der Torre, L. (author)
Maintaining regulatory compliance is an increasing concern. Legal Knowledge Management systems could support the work of compliance managers. However, there are challenges to overcome, of interpreting legal knowledge and mapping it onto business processes. In this discussion paper we determine requirements for Legal Knowledge Management systems...
conference paper 2012
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Janssen, M.F.W.H.A. (author), Wagenaar, R. (author), Beerens, J. (author)
The planning and subsequent nationwide implementation of E-government service provisioning faces a number of challenges at the level of municipalities in the Netherlands. Initiatives are confronted with a highly fragmented ICT-architecture that has been vertically organized around departments and with hardly any common horizontal functionality....
conference paper 2003
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Smit, P.B. (author), Janssen, T.T. (author)
Wave fields traveling through a varying medium (e.g. topography, currents), can develop well-defined focal zones and caustics, where the wave field is highly coherent and wave statistics vary rapidly. However, the presence and evolution of such coherent structures in the wave field are not resolved in a quasi-homogeneous description of the wave...
conference paper 2011
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Klievink, B. (author), Janssen, M.F.W.H.A. (author)
Governments aim to improve service delivery to citizens and businesses and need to transform to accomplish efficiency savings and better customer orientation. This requires the coordination of dependencies among the various departments located in the frontend and backend of organizations, and might include interdependencies with external parties...
conference paper 2010
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Singerling, T. (author), Klievink, A.J. (author), De Reuver, G.A. (author), Janssen, M.F.W.H.A. (author)
Organizations do not just decide on whether or not to exchange information digitally. In many cases, there are multiple alternative configurations of inter-organizational systems (IOS) that facilitate such information sharing. Although a lot is known about the factors that influence whether organizations do or do not adopt IOS, little is known...
conference paper 2015
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Bharosa, N. (author), Janssen, M.F.W.H.A. (author)
When disaster strikes, the emerging task environment requires relief agencies to transform from autonomous mono-disciplinary organizations into interdependent multidisciplinary decision-making units. Evaluation studies reveal that adaptation of information management to the changing task environment is difficult resulting in poor information...
conference paper 2009
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Schipper, H.R. (author), Janssen, B. (author)
The manufacturing of double-curved precast concrete elements is still expensive, due to the high costs and limited possibilities for repetitive use of the moulds or formwork. The goal of the research described in this paper is to develop a production method that overcomes these difficulties by enabling the mould to be reused many times and by...
conference paper 2011
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Schipper, H.R. (author), Janssen, B. (author)
Free form architecture with complex geometry brings along new challenges for manufacturers of building components. This paper describes the application of structural mechanics to predict the behaviour of an elastic mould surface, used as formwork for the manufacturing of double curved panels in precast concrete. Results are presented of...
conference paper 2011
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Debacker, W. (author), Allacker, K. (author), Delem, L. (author), Janssen, A. (author), De Troyer, F. (author), Spirinckx, C. (author), Geerken, T. (author), Van Dessel, J. (author)
A four-year project has started in 2007 to develop a methodology that can be applied to optimize the Belgian dwelling stock. The aim of the project is to optimise buildings concerning their environmental impact, their financial cost and the quality they offer over the whole life cycle, from the production of primary raw materials to the final...
conference paper 2010
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Aarsen, R. (author), Janssen, M. (author), Ramkisoen, M. (author), Biljecki, F. (author), Quak, W. (author), Verbree, E. (author)
In case of a calamity in the Netherlands - e.g. a dike breach - parts of the nationwide electric network can fall out. In these occasions it would be useful if decentralised energy sources of the Smart Grid would contribute to balance out the fluctuations of the energy network. Decentralised energy sources include: solar energy, wind energy,...
conference paper 2015
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Bouwman, W.A.G.A. (author), De Reuver, G.A. (author), Solaimani Kartalaei, H. (author), Daas, D. (author), Haaker, T. (author), Janssen, W. (author), Iske, P. (author), Walenkamp, B. (author)
conference paper 2012
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Dijkstra, O.D. (author), Janssen, G.T.M. (author), Ludolphy, J.W.L. (author)
conference paper 2001
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