536 search results - page 50 / 108 » The hardness and approximation algorithms for l-diversity |
COCOON
2011
Springer
12 years 7 months ago
2011
Springer
Motivated by a security problem in geographic information systems, we study the following graph theoretical problem: given a graph G, two special nodes s and t in G, and a number k...
ISCAS
2005
IEEE
14 years 1 months ago
2005
IEEE
Although many researches have investigated transparent scrambling video techniques, an issue of which transcoding relates to downsizing scrambled video without unscrambling has ha...
GECCO
2010
Springer
14 years 25 days ago
2010
Springer
In order to allow a comparison of (otherwise incomparable) sets, many evolutionary multiobjective optimizers use indicator functions to guide the search and to evaluate the perfor...
SACMAT
2006
ACM
14 years 2 months ago
2006
ACM
We introduce the concept, model, and policy-specific algorithms for inferring new access control decisions from previous ones. Our secondary and approximate authorization model (...
SISAP
2008
IEEE
14 years 2 months ago
2008
IEEE
Many contemporary database applications require similarity-based retrieval of complex objects where the only usable knowledge of its domain is determined by a metric distance func...