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Bouwman, J. (author)The solution of ill-posed problems is non-trivial in the sense that frequently applied methods like least-squares fail. The ill-posedness of the problem is refiected by very small changes in the input data which may result in very large changes in the output data. Hence, some sort of stabilization or regularization is required. Some examples of ...book 1998
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- Bouwman, W.A.G.A. (author), De Reuver, G.A. (author), Shahrokh, N. (author) conference paper 2013
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Madureira, A. (author), Baken, N. (author), Bouwman, H. (author)Digital Information Networks (DINs) refer to information networks supported by telecommunication infrastructures and terminated by microprocessors. In the recent past, there is a consolidated recognition that the public digital network infrastructure is of high economic importance, being generally recognized as one of the pillars of the...conference paper 2009
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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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Bouwman, W.A.G.A. (author), De Reuver, G.A. (author), Stalman, S. (author)Mobile TV has been on the research agenda and promoted by Telecom operators as the killer app for their services for a long time. However with the emergence of Over The Top providers (OTT’s) mobile Internet offers the opportunity to fulfil this unmet promise. In this paper we discuss the results of an empirical research collected in the trial...conference paper 2014
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- De Reuver, G.A. (author), Bouwman, W.A.G.A. (author) conference paper 2014
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Guo, J. (author), Nikou, S. (author), Bouwman, W.A.G.A. (author)The increasing number of smart phones presents a significant opportunity for the development of m-payment services. Despite the predicted success of m-payment, the market remains immature in most countries. This can be explained by the lack of agreement on standards and business models for all stakeholders in m-payment ecosystem. In this paper,...conference paper 2013
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Madureira, A. (author), Bakena, N. (author), Bouwman, H. (author)The worldwide extraordinary level of interest in digital information networks deployment among nations is due to the strong perception that they bring economic, social and environmental value. Our literature review on studies aiming at clarifying the value of information networks, led us to conclude that these studies take speculative, elusive...conference paper 2010
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Heikkila, J. (author), Heikkila, M. (author), Bouwman, W.A.G.A. (author)Business Model Innovation is attracting more and more attention from business as well as from academics. Business Model Innovation deals with both technological and knowledge related changes that either may disrupt or sustain existing product/market strategies. Timing of Business Model Innovation both with regard to the right moment as well as...conference paper 2015
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Haaker, T. (author), De Vos, H. (author), Bouwman, W.A.G.A. (author)In this paper we explore which bundles of services are attractive to users. We look specifically into bundle composition with navigation services as core, and travel and entertainment related services as complementary services. Pricing is an important criterion as well. We use conjoint measurement as a tool to assess which combination of...conference paper 2006
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- Melles, M. (author), Freudenthal, A. (author), Bouwman, C.A.H.M. (author) conference paper 2002
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De Martin, L. (author), Bouwman, W.G. (author), Van Ommen, J.R. (author)recent years, the interest in fluidization as a mean to process nanoparticles is strongly increasing. Due to the small size of the nanoparticles, which makes van der Waals forces predominate, they do not fluidize as single particles but as agglomerates. Various researchers using settling experiments and bed expansion measurements conclude that...conference paper 2013
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Bouwman, X.B. (author), Le Pochat, Victor (author), Foremski, Pawel (author), Van Goethem, Tom (author), Hernandez Ganan, C. (author), Moura, Giovane C.M. (author), Tajalizadehkhoob, Samaneh (author), Joosen, Wouter (author), van Eeten, M.J.G. (author)We tracked the largest volunteer security information sharing community known to date: the COVID-19 Cyber Threat Coalition, with over 4,000 members. This enabled us to address long-standing questions on threat information sharing. First, does collaboration at scale lead to better coverage? And second, does making threat data freely available...conference paper 2022
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de Smale, S. (author), van Dijk, Rik (author), Bouwman, X.B. (author), van der Ham, Jeroen (author), van Eeten, M.J.G. (author)The number of published software vulnerabilities is increasing every year. How do organizations stay in control of their attack surface despite their limited staff resources? Prior work has analyzed the overall software vulnerability ecosystem as well as patching processes within organizations, but not how these two are connected. We investigate...conference paper 2023
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Bouwman, X.B. (author), Griffioen, Harm (author), Egbers, Jelle (author), Doerr, Christian (author), Klievink, Bram (author), van Eeten, M.J.G. (author)Commercial threat intelligence is thought to provide unmatched coverage on attacker behavior, but it is out of reach for many organizations due to its hefty price tag. This paper presents the first empirical assessment of the services of commercial threat intelligence providers. For two leading vendors, we describe what these services consist of...conference paper 2020
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Bouwman, F. (author), Stroosma, O. (author), in 't Veld, A.C. (author), Mulder, Max (author)Preventing Loss of Control In-flight (LOC-I) in commercial and general aviation is an active research area with numerous proposed solutions. One of these solutions aims to prevent lateral LOC-I, a special type of LOC-I, by presenting a roll-performance based minimum lateral control speed to the pilot in roll-limited situations, such as single...conference paper 2023
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Plugge, A.G. (author), Bouwman, W.A.G.A. (author)Sourcing literature reveals that large firms bundle or unbundle existing business services by means of modularization to achieve organizational agility. However, one may assume that firms need some degree of maturity to manage the complexity that comes along with bundling modularized services. The aim of our research is to understand how...conference paper 2017
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Bouwman, W.A.G.A. (author), Molina Castillo, F.J. (author), de Reuver, Mark (author)Business Models have been on the research agenda since the emergence of ecommerce and ebusiness in late last century. Although a lot of attention has been paid to the concept, ontologies, taxonomies and approach in the field of strategic management, information systems, digital business and high-tech entrepreneurship research, empirical research...conference paper 2016
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Athanasopoulou, A. (author), Bouwman, W.A.G.A. (author), Nikayin, F.A. (author), de Reuver, Mark (author)Digital technologies are transforming the automotive industry, and disrupting traditional business models based on ownership of cars. With the emergence of connected cars, mobility services and servitization, questions arise on how these enabling technologies affect the ecosystem. In this paper, we propose a research agenda for the digitalized...conference paper 2016
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Khuntia, S.R. (author), Rueda, José L. (author), Bouwman, S. (author), van der Meijden, M.A.M.M. (author)This paper presents a literature study on asset management in electrical power transmission and distribution system. Due to restructure and deregulation of electric power industry in recent times, the focus has been on transmission and<br/>distribution assets that include transmission lines, transformers, power plants, substations and support...conference paper 2015