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Filters
Multidimensional cyclic graph approach: Representing a data cube without common sub-graphs
2011
Information Sciences
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A data cube has base cells and aggregate cells. A cell in a base cuboid is a base cell. A cell in a non-base cuboid is an aggregate cell. ...
The MCG differs significantly from previous approaches as it completely eliminates prefix and suffix redundancies from a data cube. A data cube can be viewed as a set of sub-graphs. ...
The adoption of cube shell fragments, proposed in [17] , in conjunction with our idea can produce an efficient MCG approach for high dimensional data cubes, but the row-based idea needs to be reformulated ...
doi:10.1016/j.ins.2010.05.012
fatcat:5tc5guji2jajfj3bn5wabxewla
TRAO Survey of the nearby filamentary molecular clouds, the universal nursery of stars (TRAO FUNS). II. Filaments and Dense cores in IC 5146
[article]
2021
arXiv
pre-print
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We identified 14 filaments (24 in total, including sub-filaments) from the C^18O (1-0) data cube and 22 dense cores from the N_2H^+ (1-0) data. ...
We present the results on the physical properties of filaments and dense cores in IC 5146, as a part of the TRAO FUNS project. ...
The filfinder uses 2-dimensional image data and is not suitable for the identification of the filaments in a 3-dimensional data cube. ...
arXiv:2106.03897v2
fatcat:fdkso3xnafgo3nprnjlj57bipu
Defense Advanced Research Projects Agency (Darpa) Fiscal Year 2015 Budget Estimates
2014
Zenodo
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DARPA seeks to improve the analysis of large neural data sets by creating interfaces that will allow researchers to generate new models across multiple scales. ...
better data management. ...
-Establish baseline performance for existing ATR algorithms against challenge problem data sets. -Design and execute a data collection experiment to provide additional data for testing. ...
doi:10.5281/zenodo.1215345
fatcat:fjzhmynqjbaafk67q2ckcblj2m
On Filaments within Molecular Clouds and their Connection to Star Formation
[article]
2018
arXiv
pre-print
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I conclude that there is no single quantity in my analysis that can uniquely trace the inclination and 3D structure of a filament based on dust observations alone. ...
In recent years, there were studies on the omnipresence and structures of filaments in star-forming regions, and the role of their fragmentation in the process of star formation. ...
However, often this comparison cannot occur on a one-to-one basis as observations preliminarily show the two-dimensional (2D) projection of the three-dimensional (3D) objects. ...
arXiv:1806.02286v1
fatcat:ppxyhzqquzdn5cpzfrd6l24xoe
Particle Splitting: A New Method for SPH Star Formation Simulations
[article]
2003
arXiv
pre-print
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We have invented a new algorithm to use with self-gravitating SPH Star Formation codes. ...
Chapter 5 gives a detailed account of the cloud-cloud collisions studied, starting from a variety of initial conditions produced by altering the cloud mass, cloud velocity and the collision impact parameter ...
to make a dimensional analysis in one dimension. ...
arXiv:astro-ph/0307478v1
fatcat:ctoffgg4vzcotnk3ax65mkuagi
Exploiting programmable graphics hardware for interactive visualization of 3D data fields
[article]
2009
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Modern numerical simulation and data acquisition techniques create a multitude of different data fields. ...
application of graphics hardware in all stages of the visualization pipeline has become a central theme in order to cope with the challenges of data set sizes growing at an ever increasing pace and advancing ...
Similar to Marching Cubes the basic algorithm processes one grid cell after the other. ...
doi:10.18419/opus-2648
fatcat:kgx65ssswzcbloy537nvib7bmm
Filaments in Molecular Clouds and their Connection to Star Formation
2018
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I conclude that there is no single quantity in my analysis that can uniquely trace the inclination and 3D structure of a filament based on dust observations alone. ...
I address the early evolution of pc-scale filaments that form within individual clouds and focus on the questions how and when the filaments fragment, and how the fragmentation relates to typically used ...
However, often this comparison cannot occur on a one-to-one basis as observations preliminarily show the two-dimensional (2D) projection of the three-dimensional (3D) objects. ...
doi:10.11588/heidok.00024013
fatcat:rhsuthtlzzb2dft2euw3mxkaqq
Electrospray ion beam deposition and mass spectrometry of nonvolatile molecules and nanomaterials
2007
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BSA forms fractal agglomerations on graphite, while it does not show any diffusion on SiO x surfaces. SDS forms flat, two dimensional islands on graphite and silicon. ...
The ion beam is sampled from a supersonic expansion by a skimmer, collimated in a high pressure quadrupole ion guide, mass selected in a low pressure quadrupole ion guide and focused by electrostatic lenses ...
Considering the fact that those are one dimensional particles, a high value has to be expected, since an elongated object can carry more charges compared to a globular one with the same volume. ...
doi:10.5075/epfl-thesis-3958
fatcat:7wuq6zlvtfcmxgwgqq5hh6rxdm
The Visible and the Invisible The Visible and the Invisible FOLLOWED BY WORKING NOTES
unpublished
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world-and which is not necessarily a closedness to the others. ...
sense-data as signs. ...
is a transformation of the problem If one starts from the visible and the vision, the sensible and the sensing, one acquires a wholly new idea of the "subjectivity" : there are no longer "syntheses," ...
fatcat:2wbwlczv3navlecuswo2grnsgi