62 search results - page 4 / 13 » Distributed Top-Down Hierarchy Construction |
ACSAC
1998
IEEE
13 years 10 months ago
1998
IEEE
Abstract Role-based access control RBAC has recently received a lot of attention due to its exibility, expressive power and simplicity in administration. In RBAC permissions are as...
ICDE
2008
IEEE
14 years 7 months ago
2008
IEEE
Databases of text and text-annotated data constitute a significant fraction of the information available in electronic form. Searching and browsing are the typical ways that users ...
CG
2008
Springer
13 years 6 months ago
2008
Springer
Recent developments have produced several techniques for interactive ray tracing of dynamic scenes. In particular, bounding volume hierarchies (BVHs) are efficient acceleration st...
AAECC
2001
Springer
13 years 10 months ago
2001
Springer
This paper studies senary simplex codes of type α and two punctured versions of these codes (type β and γ). Self-orthogonality, torsion codes, weight distribution and weight hie...
ECAL
2001
Springer
13 years 10 months ago
2001
Springer
A crucial feature of evolving natural systems is parallelism. The simultaneous and distributed application of rules (governed by e.g. biochemistry) is generally considered as the p...