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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
document
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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Charalabidis, Yannis (author), Zuiderwijk-van Eijk, A.M.G. (author), Alexopoulos, Charalampos (author), Janssen, M.F.W.H.A. (author), Lampoltshammer, Thomas (author), Ferro, Enrico (author)
Governments create and collect enormous amounts of data, for instance concerning voting results, transport, energy, education, and employment. These datasets are often stored in an archive that is not accessible for others than the organization’s employees. To attain benefits such as transparency, engagement, and innovation, many governmental...
book chapter 2018
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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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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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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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Charalabidis, Yannis (author), Zuiderwijk-van Eijk, A.M.G. (author), Alexopoulos, Charalampos (author), Janssen, M.F.W.H.A. (author), Lampoltshammer, Thomas (author), Ferro, Enrico (author)
The chapter focuses on innovation processes aspiring to generate value through a purposeful and effective exploitation of data released in an open format. On the one hand, such processes represent a great opportunity for private and public organizations while, on the other, they pose a number of challenges having to do with creating the...
book chapter 2018
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Charalabidis, Yannis (author), Zuiderwijk-van Eijk, A.M.G. (author), Alexopoulos, Charalampos (author), Janssen, M.F.W.H.A. (author), Lampoltshammer, Thomas (author), Ferro, Enrico (author)
In developing open data policies, organizations aim to stimulate and guide the publication and use of data and to gain advantages from this. Often open data policies are guided by a high-level directive, such as those of the United States (Obama, 2009b) and the European Commission (European Commission, 2013c). Open data policies are important...
book chapter 2018
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Charalabidis, Yannis (author), Zuiderwijk-van Eijk, A.M.G. (author), Alexopoulos, Charalampos (author), Janssen, M.F.W.H.A. (author), Lampoltshammer, Thomas (author), Ferro, Enrico (author)
Open data can be defined as data that is free of charge or provided at marginal cost, under an open licence, machine readable, and provided in an open format
book chapter 2018
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Charalabidis, Yannis (author), Zuiderwijk-van Eijk, A.M.G. (author), Alexopoulos, Charalampos (author), Janssen, M.F.W.H.A. (author), Lampoltshammer, Thomas (author), Ferro, Enrico (author)
The opening of data has grown tremendously over the past decade. More and more datasets have been opened to the public, application programming interfaces (APIs) gave been design for enabling the public to make use of real-time data and new apps based on this data have been developed. Data about policy-making, software code (open sources),...
book chapter 2018
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van Iersel, L.J.J. (author), Janssen, R. (author), Jones, M.E.L. (author), Murakami, Yukihiro (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
document
Charalabidis, Yannis (author), Alexopoulos, Charalampos (author), Janssen, M.F.W.H.A. (author), Lampoltshammer, Thomas (author), Ferro, Enrico (author)
Data represents a key asset in virtually any aspect of society and economy. Open Data in particular represents a source of immense value, as social capital (Lampoltshammer & Scholz, 2017) as well as an asset for business cases. Governments and their public administrations are generating and collecting during their service a plethora of...
book chapter 2018
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Alimoradi Jazi, M. (author), Janssen, V.A.E.C. (author), Evers, W.H. (author), Tadjine, A. (author), Delerue, C (author), Siebbeles, L.D.A. (author), van der Zant, H.S.J. (author), Houtepen, A.J. (author), Vanmaekelbergh, D (author)
Self-assembled nanocrystal solids show promise as a versatile platform for novel optoelectronic materials. Superlattices composed of a single layer of lead-chalcogenide and cadmium-chalcogenide nanocrystals with epitaxial connections between the nanocrystals, present outstanding questions to the community regarding their predicted band...
journal article 2017
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Janssen, H.J. (author), Eichelsheim, Veroni I. (author), Deković, Maja (author), Bruinsma, Gerben J.N. (author)
In the current study, we examined longitudinally whether boys and girls differed in pathways from parenting to delinquency. Longitudinal mediational models were tested for boys and girls separately in which three parenting dimensions (i.e., monitoring, limit setting, and the quality of the parent-adolescent relationship) were hypothesized to...
journal article 2017
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Janssen, Annette B.G. (author), de Jager, Victor C.L. (author), Janse, Jan H. (author), Kong, Xiangzhen (author), Liu, S. (author), Ye, Qinghua (author), Mooij, Wolf M. (author)
Ongoing eutrophication frequently causes toxic phytoplankton blooms. This induces huge worldwide challenges for drinking water quality, food security and public health. Of crucial importance in avoiding and reducing blooms is to determine the maximum nutrient load ecosystems can absorb, while remaining in a good ecological state. These so...
journal article 2017
document
Janssen, S.A.M. (author)
We investigate the use of an Agent-based framework to identify and quantify the relationship between security and efficiency within airport terminals. In this framework, we define a novel Security Risk Assessment methodology that explicitly models attacker and defender behavior in a security scenario. It produces a security risk vector,...
conference paper 2017
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Janssen, M.T.G. (author), Azimi, F. (author), Zitha, P.L.J. (author)
abstract 2017
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Verhoeven, M.D. (author), Lee, Misun (author), Kamoen, L. (author), van den Broek, M.A. (author), Janssen, Dick B. (author), Daran, J.G. (author), van Maris, A.J.A. (author), Pronk, J.T. (author)
Combined overexpression of xylulokinase, pentose-phosphate-pathway enzymes and a heterologous xylose isomerase (XI) is required but insufficient for anaerobic growth of Saccharomyces cerevisiae on d-xylose. Single-step Cas9-assisted implementation of these modifications yielded a yeast strain expressing Piromyces XI that showed fast aerobic...
journal article 2017
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Janssen, R.M.J. (author)
At the center of every galaxy there is a super-massive black hole of a million or more solar masses. In most galaxies the presence of this black hole can only be detected through its gravitational attraction, which affects the motion of nearby stars. However, in about 10% of the galaxies the super-massive black hole is the engine of one of the...
doctoral thesis 2017
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Haaker, T.I. (author), Bouwman, W.A.G.A. (author), Janssen, W (author), de Reuver, Mark (author)
Business models and business model innovation are increasingly gaining attention in practice as well as in academic literature. However, the robustness of business models (BM) is seldom tested vis-à-vis the fast and unpredictable changes in digital technologies, regulation and markets. The evaluation of the robustness of a BM raises several...
journal article 2017
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