Sciweavers

3628 search results - page 299 / 726
» Approaching the Physical Limits of Computing
Sort
View
CCS
2008
ACM
15 years 9 months ago
Stale-safe security properties for group-based secure information sharing
Attribute staleness arises due to the physical distribution of authorization information, decision and enforcement points. This is a fundamental problem in virtually any secure di...
Ram Krishnan, Jianwei Niu, Ravi S. Sandhu, William...
PERVASIVE
2005
Springer
16 years 26 days ago
Collaborative Sensing in a Retail Store Using Synchronous Distributed Jam Signalling
The retail store environment is a challenging application area for Pervasive Computing technologies. It has demanding base conditions due to the number and complexity of the interd...
Albert Krohn, Tobias Zimmer, Michael Beigl, Christ...
PARA
2004
Springer
16 years 22 days ago
Parallel Discrete Event Simulations of Grid-Based Models: Asynchronous Electromagnetic Hybrid Code
Abstract. The traditional technique to simulate physical systems modeled by partial differential equations is by means of a time-stepped methodology where the state of the system ...
Homa Karimabadi, Jonathan Driscoll, Jagrut Dave, Y...
IPPS
1999
IEEE
15 years 11 months ago
Portable Parallel Programming for the Dynamic Load Balancing of Unstructured Grid Applications
The ability to dynamically adapt an unstructured grid (or mesh) is a powerful tool for solving computational problems with evolving physical features; however, an efficient parall...
Rupak Biswas, Leonid Oliker, Sajal K. Das, Daniel ...
SIGGRAPH
1994
ACM
15 years 11 months ago
Using particles to sample and control implicit surfaces
We present a new particle-based approach to sampling and controlling implicit surfaces. A simple constraint locks a set of particles onto a surface while the particles and the sur...
Andrew P. Witkin, Paul S. Heckbert