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Wimmer, M. (author), Codagnone, C. (author), Janssen, M.F.W.H.A. (author)
E-government research has become a recognized research domain and many policies and strategies are formulated for e-government implementations. Most of these target the next few years and limited attention has been giving to the long term. The eGovRTD2020, a European Commission co-funded project, investigated the future research on e-government...
conference paper 2008
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Janssen, P. (author), Stouffs, R.M.F. (author), Chaszar, A.T. (author), Boeykens, S. (author), Toth, B. (author)
This paper describes the use of property graphs for mapping data between AEC software tools, which are not linked by common data formats and/or other interoperability measures. The intention of introducing this in practice, education and research is to facilitate the use of diverse, non-integrated design and analysis applications by a variety of...
conference paper 2012
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Quak, C.W. (author), Janssen, P. (author), Reuvers, M. (author)
In 2005 a base model for geographic information in the Netherlands was published named NEN 3610. The model consist of a modeling framework (based on the ISO19100 series) and a collection of extensible base classes. In the following years many organizations have built their models in conformance to this base model (IMRO, TOP10NL, IMTOP, IMWA,...
conference paper 2009
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Smit, P.B. (author), Janssen, T.T. (author), Herbers, T.H.C. (author)
Refraction of narrow-band surface waves in coastal areas can result in wave-focal zones where due to interference, wave statistics vary rapidly and on similar length scales as those of individual waves. However such interference patterns, or wave coherence, are not accounted for in conventional stochastic wave models that are based on the energy...
conference paper 2012
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Smit, P.B. (author), Janssen, T.T. (author), Herbers, T.H.C. (author)
Refraction of narrow-band surface waves in coastal areas can result in wave-focal zones where due to interference, wave statistics vary rapidly and on similar length scales as those of individual waves. However such interference patterns, or wave coherence, are not accounted for in conventional stochastic wave models that are based on the energy...
conference paper 2012
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Janssen, P. (author)
Designers interested in applying evo-devo-design methods for performance based multi-objective design exploration have typically faced two main hurdles: it’s too hard and too slow. An evo-devo-design method is proposed that effectively overcomes the hurdles of skill and speed by leveraging two key technologies: computational workflows and cloud...
conference paper 2013
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Dirksen, P. (author), Braat, J. (author), Janssen, A.J.E.M. (author), Leeuwestein, A. (author), Kwinten, H. (author), Van Steenwinckel, D. (author)
This study presents an experimental method to determine the resist parameters that are at the origin of a general blurring of the projected aerial image. The resist model includes the effects of diffusion in the horizontal plane and a second cause for image blur that originates from a stochastic variation of the focus parameter. The used...
conference paper 2004
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Van Loenen, B. (author), Janssen, K. (author), Welle Donker, F.M. (author)
The ability to share geo?data is key to the success of spatial data infrastructures. A major barrier in sharing geo?data is the use of non?standard Licenses which are difficult to understand both for human beings and computers. This article compares existing (national and international) licensing frameworks as to the key components they share....
conference paper 2012
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Janssen, M.F.W.H.A. (author), Cresswell, A. (author)
Traditionally, government agencies are organized vertically around departments. Many local government agencies are looking for ways to develop an integrated architecture. Many architectural methods are available, however, they remain often abstract, provide limited support for the translation of the concepts to a concrete situation, and have...
conference paper 2005
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Janssen, P. (author), Stouffs, R.M.F. (author)
This paper investigates the state-of-the-art with respect to simulation-based planning support systems in order to draw a set of requirements and best practices for an urban planning and design framework that enables multiple stakeholders with differing perspectives to systematically explore design options, leveraging the latest analysis and...
conference paper 2014
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Van Stijn, E.J. (author), Klievink, A.J. (author), Janssen, M.F.W.H.A. (author), Tan, Y. (author)
Government agencies and businesses cooperate and invest heavily to achieve reliable and secure global supply networks. A so-called data pipeline, which integrates data from various parties in the supply chain and incorporates data from new tracking and monitoring technologies, would enable real-time data management for businesses. This IT...
conference paper 2012
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Battjes, J.A. (author), Janssen, J.P.F.M. (author)
A description is given of a model developed for the prediction of the dissipation of energy in random waves breaking on a beach. The dissipation rate per breaking wave is estimated from that in a bore of corresponding height, while the probability of occurrence of breaking waves is estimated on the basis of a wave height distribution with an...
conference paper 1978
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van Beek, T. (author), Janssen, A. (author)
conference paper 2000
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Janssen, R.M.J. (author), Röttgering, H.J.A. (author), Best, P.N. (author), Brinchmann, J. (author)
conference paper 2012
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Feenstra, R. (author), Janssen, M.F.W.H.A. (author)
New systems can be created by assembling a set of elementary services provided by various stakeholders in a service composition. Service composition is not a trivial endeavor and several composition methods exist. Yet, these methods are hardly adopted by the field, as they need a set of well-defined and welldescribed services and are not able to...
conference paper 2009
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Janssen, M.F.W.H.A. (author), Hjort-Madsen, K. (author)
National enterprise architectures (NEA) promise to fill the gap between policy and implementation. NEAs are embedded within an institutional environment consisting of active players capable of responding strategically and innovatively to architectural initiatives, which might complicate NEA adoption. In this paper we analyze the efforts of two...
conference paper 2007
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Janssen, M.F.W.H.A. (author), Van der Duin, P. (author), Wagenaar, R.W. (author), Bicking, M. (author), Wimmer, M.A. (author), Dawes, S. (author), Petrauskas, R. (author)
E-government research is currently at a stage of consolidation and new orientation. Smaller steps of government modernization have in part been successfully implemented; larger ones still lie ahead of us. Within an EC funded project, a roadmap for egovernment is being defined. Thereby, scenario building about the future is being used to grasp...
conference paper 2007
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Dirksen, P. (author), Braat, J.J.M. (author), Janssen, A.J.E.M. (author), Leeuwesteijn, A. (author)
conference paper 2005
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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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Grünewald, 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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