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Van der Wal, W. (author), Wang, L. (author), Visser, P.N.A.M. (author), Sneeuw, N. (author), Vermeersen, L.L.A. (author)GOCE gravity fields are assessed in an area around Reykjanes Ridge. Ship gravity measurements were found to be to inaccurate to determine possible improvement of GOCE gravity field models compared to the best available GRACE gravity field model. Differences between the GOCE gravity field models and EGM2008 does not appear to contain a component...conference paper 2011
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Peeters, P. (author), Van Hoestenberghe, T. (author), Vincke, L. (author), Visser, P.J. (author)The use of breach models includes two tasks: predicting breach characteristics and estimating flow through the breach. Strengths and weaknesses as well as opportunities and threats of different simplified and detailed physically-based breach models are listed following theoretical and practical criteria. According to the theoretical criteria,...conference paper 2011
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Visser, W.M. (author), Hindriks, K.V. (author), Jonker, C.M. (author)In the context of practical reasoning, such as decision making and negotiation, it is necessary to model preferences over possible outcomes. Such preferences usually depend on multiple criteria. We argue that the criteria by which outcomes are evaluated should be the satisfaction of a person’s underlying interests: the more an outcome satisfies...conference paper 2011
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- Visser, W. (author), Aydogan, R. (author), Hindriks, K.V. (author), Jonker, C.M. (author) conference paper 2012
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Visser, W.M. (author), Hindriks, K.V. (author), Jonker, C.M. (author)Preferences are derived in part from knowledge. Knowledge, however, may be defeasible. We present an argumentation framework for deriving qualitative, multi-attribute preferences and incorporate defeasible reasoning about knowledge. Intuitively, preferences based on defeasible conclusions are not as strong as preferences based on certain...conference paper 2011
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Broerse, D.B.T. (author), Visser, P.N.A.M. (author), Bouman, J. (author), Fuchs, M. (author), Vermeersen, L.L.A. (author), Schmidt, M. (author)Large earthquakes do not only heavily deform the crust in the vicinity of the fault, they also change the gravity field of the area affected by the earthquake due to mass redistribution in the upper layers of the Earth. Besides that, for sub-oceanic earthquakes deformation of the ocean floor causes relative sea-level changes and mass...conference paper 2011
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Arntzen, M. (author), Van Veen, T.A. (author), Visser, H.G. (author), Simons, D.G. (author)Aircraft noise annoyance predictions based on traditional tools lack fidelity when modelling a single aircraft flyover. For evaluating annoyance of new procedures, different aircraft types or changing atmospheric conditions, a new modelling approach is necessary. A research effort has been initiated to develop a toolchain that links each of the...conference paper 2011
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Van den IJssel, J.A.A. (author), Visser, P.N.A.M. (author), Doornbos, E.N. (author), Meyer, U. (author), Bock, H. (author), Jäggi, A. (author)The state-of-the-art GOCE Satellite-to-Satellite Tracking Instrument (SSTI) delivers high-quality GPS data with an almost continuous 1 Hz data rate, which allows for very Precise Orbit Determination (POD). Despite this good performance, the GPS receiver shows occasional unexpected L2 tracking losses, which mainly occur close to the geomagnetic...conference paper 2011
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- Hebly, S.J. (author), Visser, H.G. (author) conference paper 2008
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Visser, W.M. (author), Hindriks, K.V. (author), Jonker, C.M. (author)Preferences are derived in part from knowledge. Knowledge, however, may be defeasible. We present an argumentation framework for deriving qualitative, multi-attribute preferences and incorporate defeasible reasoning about knowledge. Intuitively, preferences based on defeasible conclusions are not as strong as preferences based on certain...conference paper 2011
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- Visser, M. (author), Wieringa, P.A. (author) conference paper 1998
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Verhagen, H.J. (author), Visser, P.J. (author)Along the North Sea coast, water levels are rising and waves are intensifying due to climate change. The best scientific evidence suggests that both phenomena are likely to accelerate over the coming decades. In some North Sea coastal areas also land is sinking and tidal heights and rates of erosion are increasing. This means that the risk of...conference paper 2007
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- Hogenhuis, R.H. (author), Hebly, S.J. (author), Visser, H.G. (author) conference paper 2008
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Kuiper, B.R. (author), Visser, H.G. (author), Heblij, S. (author)This paper presents the development of a runway allocation planning tool that seeks to maximize the permissible number of flight operations into and out of an airport within a given annual noise budget. Although the model that underlies the planning tool is generic in nature, the tool has been customized for application to a specific airport,...conference paper 2011
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- Groenewegen, D.M. (author), Hemel, Z. (author), Kats, L.C.L. (author), Visser, E. (author) conference paper 2008
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Bench-Capon, T. (author), Prakken, H. (author), Visser, W. (author)A formal two-phase model of democratic policy deliberation is presented, in which in the first phase sufficient and necessary criteria for proposals to be accepted are determined (the ‘acceptable’ criteria) and in the second phase proposals are made and evaluated in light of the acceptable criteria resulting from the first phase. Such a...conference paper 2011
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Bisschop, F. (author), Visser, P.J. (author), Van Rhee, C. (author), Verhagen, H.J. (author)Convential models for the erosion of non-cohesive sediments overestimate the erosion rate induced by high flow velocities. These high flow velocities occur, for instance, in breaching of embankments or dunes (flow velocities up to 10 m/s) or in jetting sand with a trailing suction hopper dredger (30 to 60 m/s). At these very large flow...conference paper 2010
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Bouman, J. (author), Fiorot, S. (author), Fuchs, M. (author), Gruber, T. (author), Schrama, E.J.O. (author), Tscherning, C.C. (author), Veicherts, M. (author), Visser, P.N.A.M. (author)Two of the GOCE Level 2 products are the gravity gradients (GGs) in the Gradiometer Reference Frame (GRF) and the GGs in the Local North-Oriented Frame (LNOF). The GRF is an instrument frame and the GGs are derived from the L1b GGs. The L1b to L2 GG processing involves corrections for temporal gravity variations, outlier detection and data gap...conference paper 2011
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- Hindriks, K.V. (author), Jonker, C.M. (author), Visser, W. (author) conference paper 2009
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Van Chastelet, E. (author), Visser, E. (author), Anslow, C. (author)Federated conferences such as SPLASH are complex orga- nizations composed of many parts (co-located conferences, symposia, and workshops), and are put together by many different people and committees. Developing the website for such a conference requires a considerable effort, and is often reinvented for each edition of a conference using...conference paper 2015