Sciweavers

2899 search results - page 499 / 580
» On the Complexity of Exclusion Algorithms for Optimization
Sort
View
SDM
2003
SIAM
184views Data Mining» more  SDM 2003»
15 years 2 months ago
Finding Clusters of Different Sizes, Shapes, and Densities in Noisy, High Dimensional Data
The problem of finding clusters in data is challenging when clusters are of widely differing sizes, densities and shapes, and when the data contains large amounts of noise and out...
Levent Ertöz, Michael Steinbach, Vipin Kumar
SODA
1992
ACM
140views Algorithms» more  SODA 1992»
15 years 2 months ago
Separation and Approximation of Polyhedral Objects
Given a family of disjoint polygons P1, P2, : : :, Pk in the plane, and an integer parameter m, it is NP-complete to decide if the Pi's can be pairwise separated by a polygon...
Joseph S. B. Mitchell, Subhash Suri
SAC
2008
ACM
15 years 28 days ago
A cost-driven approach to role engineering
In recent years role-based access control (RBAC) has been spreading within organizations. However, companies still have considerable difficulty migrating to this model, due to the...
Alessandro Colantonio, Roberto Di Pietro, Alberto ...
SIAMSC
2010
142views more  SIAMSC 2010»
14 years 12 months ago
Nested Iteration and First-Order System Least Squares for Incompressible, Resistive Magnetohydrodynamics
This paper develops a nested iteration algorithm to solve time-dependent nonlinear systems of partial differential equations. For each time step, Newton’s method is used to form...
J. H. Adler, Thomas A. Manteuffel, Stephen F. McCo...
EMSOFT
2010
Springer
14 years 11 months ago
Power-aware temporal isolation with variable-bandwidth servers
Variable-bandwidth servers (VBS) control process execution speed by allocating variable CPU bandwidth to processes. VBS enables temporal isolation of EDF-scheduled processes in th...
Silviu S. Craciunas, Christoph M. Kirsch, Ana Soko...