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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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van Engelenburg, S.H. (author), Janssen, M.F.W.H.A. (author), Klievink, A.J. (author)
Supply chain management is hampered by a lack of information sharing among partners. Information is not shared as organizations in the supply chain do not have direct contact and/or do not want to share competitive and privacy sensitive information. In addition, companies are often part of multiple supply chains and trading partners vary over...
conference paper 2018
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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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de Reuver, G.A. (author), Nederstigt, B.G.J.C.M. (author), Janssen, M.F.W.H.A. (author)
Launching multi-sided platforms is challenging as providers have to gather a critical mass of users in multiple target groups. Various `launch strategies' can be derived from existing platform literature, such as price subsidization, platform openness and coring. However, studies on the utility of these launch strategies for informing design...
conference paper 2018
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Xie, Y. (author), Janssen, G.J.M. (author), van der Veen, A.J. (author)
A clock synchronization scheme is crucial for obtaining accuracy in time-based positioning systems. Existing clock synchronization schemes are mostly based on a simplified linear clock model, which unfortunately have a poor long-term synchronization accuracy. Assuming a two-way time transfer protocol, we propose a novel clock synchronization...
conference paper 2016
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Janssen, M.F.W.H.A. (author), Kuk, G. (author)
Within the public sector, the deployment of enterprise architecture is often an attempt to address the decentralization/centralization relationships to improve the links between the central and the local governments. The underlying aim is to provide a better structure to manage the diverse, independent and local IT-related projects and...
conference paper 2006
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Cresswell, A. (author), Janssen, M.F.W.H.A. (author)
conference paper 2004
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Janssen, M.F.W.H.A. (author), Cresswell, A. (author)
Achieving goals of better integrated and responsive government services requires moving away from stand alone applications toward more comprehensive, integrated architectures. As a result there is mounting pressure to move from disparate systems operating in parallel toward a shared architecture designed to support information exchange and cross...
conference paper 2005
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van Iersel, L.J.J. (author), Janssen, R. (author), Jones, M.E.L. (author), Murakami, Y. (author), Zeh, Norbert (author)
A common problem in phylogenetics is to try to infer a species phylogeny from gene trees. We consider different variants of this problem. The first variant, called Unrestricted Minimal Episodes Inference, aims at inferring a species tree based on a model of speciation and duplication where duplications are clustered in duplication episodes....
conference paper 2018
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Deljoo, A. (author), Janssen, M.F.W.H.A. (author), Klievink, A.J. (author)
Public-private service networks (PPSN) consist of social and technology components. Development of PPSN is ill-understood as these are dependent on a complex mix of interactions among stakeholders and their technologies and is influenced by contemporary developments. The aim of this paper is to advance our understanding of PPSN by modeling its...
conference paper 2013
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van Engelenburg, S.H. (author), Janssen, M.F.W.H.A. (author), Klievink, A.J. (author), Tan, Y. (author)
Advanced architectures for business-to-government (B2G) information sharing can benefit both businesses and government. An essential choice in the design of such an architecture is whether information is shared using a thick or a thin information flow. In an architecture with a thick flow, all information is shared via a shared infrastructure,...
conference paper 2017
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Dirksen, P. (author), Braat, J.J.M. (author), Janssen, A.J.E.M. (author), Leeuwestein, A. (author), Matsuyama, T. (author), Noda, T. (author)
Phase Measurement Interferometers (PMI) are widely used during the manufacturing process of high quality lenses. Although they have an excellent reproducibility and sensitivity, the set-up is expensive and the accuracy of the measurement needs to be checked frequently. This paper discusses an alternative lens metrology method that is based on an...
conference paper 2006
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Van Haver, S. (author), Janssen, O.T.A. (author), Braat, J.J.M. (author), Janssen, A.J.E.M. (author), Urbach, H.P. (author), Pereira, S.F. (author)
In this paper we introduce a new mask imaging algorithm that is based on the source point integration method (or Abbe method). The method presented here distinguishes itself from existing methods by exploiting the through-focus imaging feature of the Extended Nijboer-Zernike (ENZ) theory of diffraction. An introduction to ENZ-theory and its...
conference paper 2008
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Schuwer, Robert (author), Janssen, Ben (author)
conference paper 2018
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Ding, Y. (author), Janssen, M.F.W.H.A. (author)
The increasing demand for mobile network capacity driven by Internet of Things (IoT) applications results in the need for understanding better the potential and limitations of 5G networks. Vertical application areas like smart mobility, energy networks, industrial IoT applications, and AR/VR enhanced services all pose different requirements on...
conference paper 2018
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