340 search results - page 20 / 68 » On second order operators and quadratic operators |
138
Voted
CAGD
2006
14 years 11 months ago
2006
We use various nonlinear partial differential equations to efficiently solve several surface modelling problems, including surface blending, N-sided hole filling and free-form sur...
140
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SIGMOD
2000
ACM
15 years 3 months ago
2000
ACM
We discovered a surprising law governing the spatial join selectivity across two sets of points. An example of such a spatial join is "find the libraries that are within 10 m...
SIAMSC
2010
14 years 10 months ago
2010
In numerous applications of image processing, e.g. astronomical and medical imaging, data-noise is well-modeled by a Poisson distribution. This motivates the use of the negative-lo...
ICDE
2009
IEEE
15 years 6 months ago
2009
IEEE
— A spreadsheet-like “direct manipulation” interface is more intuitive for many non-technical database users compared to traditional alternatives, such as visual query builde...
DMDW
2003
15 years 27 days ago
2003
: Two main problems arise in modelling data warehouse structures. The first consists in establishing an adequate representation of dimensions in order to facilitate and to control ...