922 search results - page 139 / 185 » Attribute based data sharing with attribute revocation |
EDBT
2006
ACM
15 years 10 months ago
2006
ACM
Current methods for selectivity estimation fall into two broad categories, synopsis-based and sampling-based. Synopsis-based methods, such as histograms, incur minimal overhead at ...
CPAIOR
2009
Springer
15 years 4 months ago
2009
Springer
In this abstract, we present a rule-based modelling language for constraint programming, called Rules2CP [1], and a library PKML for modelling packing problems. Unlike other modell...
CVPR
2011
IEEE
14 years 6 months ago
2011
IEEE
Current face image retrieval methods achieve impressive results, but lack efficient ways to refine the search, particularly for geometric face attributes. Users cannot easily ...
PAMI
2011
14 years 4 months ago
2011
—Existing color constancy methods are all based on specific assumptions such as the spatial and spectral characteristics of images. As a consequence, no algorithm can be conside...
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IADT
1998
14 years 11 months ago
1998
Conventional image processing algorithms used to compare images are very timeconsuming, making them inappropriate for use in searching for an image in a huge collection of images ...