3836 search results - page 455 / 768 » Semantics of Database Transformations |
183
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MVA
2007
15 years 5 months ago
2007
In the image plane, a 3 Dimensional movement of planar rigid object can be represented satisfactory by an affine motion of his boundary (the exterior contour) which we assume to b...
193
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DEBU
2010
15 years 3 months ago
2010
Panda (for Provenance and Data) is a new project whose goal is to develop a general-purpose system that unifies concepts from existing provenance systems and overcomes some limita...
177
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VLDB
1994
ACM
15 years 10 months ago
1994
ACM
This paper introduces a formalism to describe the needs and preferences of database users. Because of the precise formulation of these concepts, we have found an automatic and ver...
297
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ICDE
2009
IEEE
16 years 8 months ago
2009
IEEE
Due to the structural heterogeneity of XML, queries are often interpreted approximately. This is achieved by relaxing the query and ranking the results based on their relevance to ...
190
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ICIP
2005
IEEE
16 years 8 months ago
2005
IEEE
This paper deals with the performance evaluation of three object invariant descriptors : Hu moments, Zernike moments and Fourier-Mellin descriptors. Experiments are conducted on a...