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DAGSTUHL
2003
15 years 1 months ago
Feature tracking with skeleton graphs
One way to visualize large time-dependent data sets, is by visualization of the evolution of features in these data. The process consists of four steps: feature extraction, featur...
Benjamin Vrolijk, Freek Reinders, Frits H. Post
DAGSTUHL
2003
15 years 1 months ago
Preset based interaction with high dimensional parameter spaces
Many systems require the setting of a large number of parameters. This is often a difficult and time consuming task, especially for novice users. A framework is presented to simp...
Jarke J. van Wijk, Cornelius W. A. M. van Overveld
117
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DAGSTUHL
1998
15 years 1 months ago
Active-U-Datalog: Integrating Active Rules in a Logical Update Language
Deductive database technology represents an important step towards the goal of developing highly-declarative database programming languages. In order to make deductive databases a ...
Elisa Bertino, Barbara Catania, Vincenzo Gervasi, ...
DAGSTUHL
1998
15 years 1 months ago
A Practical Approach to Hypothetical Database Queries
Hypothetical queries are queries embedding hypotheses about the database. The embedded hypothesis in a hypothetical query indicates, so to say, a state of the database intended for...
Henning Christiansen, Troels Andreasen
89
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DAGSTUHL
2000
15 years 1 months ago
Similarity Measure Computation of Convex Polyhedra Revisited
We study the computation of rotation-invariant similarity measures of convex polyhedra, based on Minkowski's theory of mixed volumes. To compute the similarity measure, a (mix...
Jos B. T. M. Roerdink, Henk Bekker