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Kazaz, T. (author), Coutiño Minguez, M.A. (author), Janssen, G.J.M. (author), Leus, G.J.T. (author), van der Veen, A.J. (author)
Synchronization and ranging in internet of things (IoT) networks are challenging due to the narrowband nature of signals used for communication between IoT nodes. Recently, several estimators for range estimation using phase difference of arrival (PDoA) measurements of narrowband signals have been proposed. However, these estimators are based...
conference paper 2019
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Ding, Aaron Yi (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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Purwanto, A. (author), Zuiderwijk-van Eijk, AMG (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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Tambouris, Efthimios (author), Kalampokis, Evangelos (author), Janssen, M.F.W.H.A. (author), Matheus, R. (author), Hermans, Paul (author), Kalvet, Tarmo (author)
The number of Open Statistical Data available for reuse is rapidly increasing. Linked open data technology enables easy reuse and linking of data residing in different locations in a simple and straightforward manner. Yet, many people are not familiar with the technology standards and tools for making use of open statistical data. In this...
conference paper 2018
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Kleiman, F. (author), Janssen, M.F.W.H.A. (author)
Open government is a trend of public administration that strengthens the relationship between governments and the public. In open government, the opening of data is the mean to make governmental information accessible for citizens, firms, NGO's and other public bodies. However, one of the challenges is still to get national and local...
conference paper 2018
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Yin, Y. (author), Zuiderwijk-van Eijk, AMG (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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Schuwer, Robert (author), Janssen, Ben (author)
conference paper 2018
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Kleiman, F. (author), Janssen, M.F.W.H.A. (author), Meijer, S.A. (author)
Developing open government by local government is cumbersome. Many local governments have no policies or are struggling to develop policies enabling to create value from open data. Policy-making is challenging due to the wicked nature of many policy problems, unclear objectives, and the involvement of diverse stakeholders. At the same time...
conference paper 2018
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Shishkov, Boris (author), Janssen, M.F.W.H.A. (author)
Networked physical devices, vehicles, home appliances, and other items embedded with electronics, software, sensors, actuators, and connectivity, allow for run-time acquisition of user data. This in turn can enable information systems which capture the “current” user state and act accordingly. The use of this data would result in context...
conference paper 2018
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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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Shishkov, Boris (author), Larsen, John Bruntse (author), Warnier, Martijn (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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van Engelenburg, S.H. (author), Janssen, M.F.W.H.A. (author), Klievink, A.J. (author)
Context-awareness refers to the ability to sense and adapt to context. With the rise of context-aware systems, designers are struggling with what variables should be sensed from the context. According to the definitions found in the literature, whether something belongs to context, has to do with whether it is relevant. However, what it means to...
conference paper 2018
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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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Luthfi, A. (author), Janssen, M.F.W.H.A. (author), Crompvoets, joep (author)
© Springer International Publishing AG, part of Springer Nature 2018. Open government data initiatives result in the expectation of having open data available. Nevertheless, some potential risks like sensitivity, privacy, ownership, misinterpretation, and misuse of the data result in the reluctance of governments to open their data. At this...
conference paper 2018
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Garvanova, Magdalena (author), Shishkov, Boris (author), Janssen, M.F.W.H.A. (author)
Public values are desires of the general public, that are about properties considered societally valuable, such as respecting the privacy of citizens or prohibiting polluting activities. “Translating” public values into functional solutions is thus an actual challenge. Even though Value-Sensitive Design (VSD) is about weaving public values in...
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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de Reuver, G.A. (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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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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Dun, H. (author), Tiberius, C.C.J.M. (author), Janssen, G.J.M. (author)
High accuracy terrestrial radio positioning systems, as a complement to a global navigation satellite system (GNSS), are attracting significant attention from academia and industry. This article investigates the feasibility of positioning based on carrier phase measurements of orthogonal frequency division multiplexing (OFDM) signals. Generally,...
conference paper 2018
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Kuk, George (author), Chim, Jimmy (author), Giamporcaro, Stephanie (author), Janssen, M.F.W.H.A. (author)
The right to know under the Freedom of Information (FOI) Act in the UK has made public authorities as the duty-bearer, often making them to selectively decouple practices from policies. This has resulted in disclosing data that may derail from the intended goals of open government. By analyzing the top fifty requesters who made 34,314...
conference paper 2017
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