Searched for: subject:"data%5C+structures"
(1 - 11 of 11)
document
Liu, H. (author), van Oosterom, P.J.M. (author), Meijers, B.M. (author), Verbree, E. (author)
Drastically increasing production of point clouds as well as modern application fields like robotics and virtual reality raises essential demand for smart and highly efficient data management. Effective tools for the managing and direct use of large point clouds are missing. Current state-of-the-art database management systems (DBMS) present...
conference paper 2018
document
Roy, S. (author), Hermans, F.F.J. (author), Aivaloglou, E. (author), Winter, J. (author), van Deursen, A. (author)
Spreadsheets are popular end-user computing applications and one reason behind their popularity is that they offer a large degree of freedom to their users regarding the way they can structure their data. However, this flexibility also makes spreadsheets difficult to understand. Textual documentation can address this issue, yet for supporting...
conference paper 2016
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Meijers, B.M. (author), Suba, R. (author), van Oosterom, P.J.M. (author)
Processing massive datasets which are not fitting in the main memory of computer is challenging. This is especially true in the case of map generalization, where the relationships between (nearby) features in the map must be considered. In our case, an automated map generalization process runs offline to produce a dataset suitable for...
conference paper 2015
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Arroyo Ohori, G.A.K. (author), Ledoux, H. (author), Biljecki, F. (author), Stoter, J.E. (author)
The various levels of detail (LODs) of a 3D city model are often stored independently, without links between the representations of the same object, causing inconsistencies, as well as update and maintenance problems. One solution to this problem is to model the LOD as an extra geometric dimension perpendicular to the three spatial ones,...
journal article 2015
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Pantazis, D.N. (author), Lazarou, E. (author), Stratakis, P. (author), Gadolou, H. (author), Koukofikis, A. (author), Kassoli, M. (author)
This article aims to compare the geo-graphic (spatial) objects in 2D (planar objects) proposed by CON.G.O.O. and ISO standards, and the ability of a number of GIS software to handle them. The results achieved so far showed that the actual technical possibilities are not always sufficient to support the complex spatial objects proposed by CON.G.O.O.
conference paper 2011
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Horak, J. (author), Jurikovska, L. (author), Umlauf, M. (author), Jezek, J. (author), Hanzlova, M. (author), Zlatanova, S. (author)
The process of data harmonization starts with a description of data sources and mapping of differences among heterogeneous source and target data sets. The semantic differences usually include incompatible data schemas (structures, different data types, domains etc.) and differences in content (different values for the same entity). While the...
conference paper 2011
document
Penninga, F. (author)
Current topographic products are usually limited to a real world representation in only two dimensions, extended with some additional point heights and contour lines. Many environmental issues require more precision than analysis on 2D models can offer. At the same time, vast amounts of 3D data are becoming available due to emerging new data...
doctoral thesis 2008
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Vrolijk, B. (author)
The research described in this thesis was part of a larger research project about multi-phase flows. These flows are characterised by a sharp transition between the fluids, the so-called phase front. One of the goals of the project was to study the evolution of the phase fronts using CFD, i.e. to study the development of the surfaces over time...
doctoral thesis 2007
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Alrutz, T. (author), Orlt, M. (author)
This paper covers a description of the algorithms and data-structures used in the parallel DLR TAU-code Adaptation tool. Attention is given to the basic algorithms of the parallel anisotropic refinement and de-refinement, as well as the data-structures for distributed grids and grid hierarchy. The parallelization issues for distributed data are...
conference paper 2006
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Vogels, M.E.S. (author)
For flow simulation around (parts of) aerospace vehicles, aerospace industry needs CFD software. For users in industry, not only the functionality of the software is relevant. Timely availability and cost of the first version and later versions are other relevant factors. These factors are represented in the software characteristics timeliness,...
report 1997
document
Fokkema, J.T. (author), Van Leuken, T.G.R. (author)
conference paper 1983
Searched for: subject:"data%5C+structures"
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