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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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Susha, I (author), Janssen, M.F.W.H.A. (author), Grönlund, A (author), Tambouris, E (author)
There is much potential for open and big data to be used for addressing societal challenges of today. This drives a new kind of partnership called “data collaborative” emphasizing the value of data for public good. Data collaboratives stand for cross-sector partnerships, whereby organizations in the private or public sector disclose their data,...
conference paper 2016
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Klievink, A.J. (author), Janssen, M.F.W.H.A. (author), van der Voort, H.G. (author), van Engelenburg, S.H. (author)
Business-to-government information exchange has over the past decades greatly benefited from data exchange standards and inter-organisational systems. The data era enables a new shift in the type of information sharing; from formal reporting to opening up full (and big) data sets. This enables new analytics and insights by government, more...
conference paper 2018
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Yin, Y. (author), Zuiderwijk-van Eijk, A.M.G. (author), Van Ossenbruggen, Jacco (author), Jeffery, Keith (author), Luthfi, A. (author), Janssen, M.F.W.H.A. (author)
Governments and publicly-funded research institutions increasingly open up data collected and created through research. One way to share and use data obtained through research is through Virtual Research Environments (VREs). Insights obtained through open data use in VREs can subsequently provide input for policy making. However, this process...
conference paper 2018
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Luthfi, A. (author), Rehena, Z. (author), Janssen, M.F.W.H.A. (author), Crompvoets, Joep (author)
Governments are releasing their data to the public to accomplish benefits like the creation of transparency, accountability, citizen engagement and to enable business innovation. At the same time, decision-makers are reluctant to open their data due to some potential risks like misuse, sensitivity, ownership, and inaccuracy of the data. The...
conference paper 2018
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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, S.A.M. (author), Sharpans'kykh, O.A. (author)
Security Risk Assessment is commonly performed by using traditional methods based on linear probabilistic tools and informal expert judgements. These methods lack the capability to take the inherent dynamic and intelligent nature of attackers into account. To partially address the limitations, researchers applied game theory to study security...
conference paper 2017
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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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Shishkov, Boris (author), Larsen, John Bruntse (author), Warnier, M.E. (author), Janssen, M.F.W.H.A. (author)
With regard to context-aware systems: some optimize system-internal processes, based on the context state at hand; others maximize the user-perceived effectiveness of delivered services, by providing different service variants depending on the situation of the user; still others are about offering value-sensitivity when the society demands so...
conference paper 2018
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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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Purwanto, A. (author), Janssen, M.F.W.H.A. (author), Zuiderwijk-van Eijk, A.M.G. (author)
Governments around the world are following the global open government movement by initiating Open Government Data (OGD) programs. They are motivated by the claim that it will generate economic and social value. However, the success of an OGD initiative will only be realized when OGD is used and when the use results in the creation of public...
conference paper 2017
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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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Grover, Purva (author), Kar, Arpan Kumar (author), Dwivedi, Yogesh K. (author), Janssen, M.F.W.H.A. (author)
Elections are the most critical events for any nation and paves the path for future growth and prosperity of the economy. Due to its high impact, a lot of discussions take place among all stakeholders in social media. In this study, we attempt to examine the discussions surrounding USA Election, 2016 in Twitter. Further we highlight some of...
conference paper 2017
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Haryadi, Adiska Fardani (author), Hulstijn, Joris (author), Wahyudi, A. (author), van der Voort, H.G. (author), Janssen, M.F.W.H.A. (author)
Big data has been acknowledged for its enormous potential. In contrast to the potential, in a recent survey more than half of financial service organizations reported that big data has not delivered the expected value. One of the main reasons for this is related to data quality. The objective of this research is to identify the antecedents of...
conference paper 2017
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Purwanto, A. (author), Zuiderwijk-van Eijk, A.M.G. (author), Janssen, M.F.W.H.A. (author)
Citizens are increasingly using Open Government Data (OGD) and engaging with OGD by designing and developing applications. They often do so by collaborating in groups, for example through self-organized groups or government-induced open data engagement initiatives, such as hackathons. The successful use and engagement of OGD by groups of...
conference paper 2018
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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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Wahyudi, A. (author), Farhani, Adiska (author), Janssen, M.F.W.H.A. (author)
Today’s financial service organizations have a data deluge. A number of V’s are often used to characterize big data, whereas traditional data quality is characterized by a number of dimensions. Our objective is to investigate the complex relationship between big data and data quality. We do this by comparing the big data characteristics with...
conference paper 2018
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