497 search results - page 84 / 100 » A knowledgeable security model for distributed health inform... |
ICSNW
2004
Springer
14 years 2 months ago
2004
Springer
Peer-to-Peer systems have proven to be an effective way of sharing data. Modern protocols are able to efficiently route a message to a given peer. However, determining the destin...
RSA
2000
13 years 8 months ago
2000
We analyze various stochastic processes for generating permutations almost uniformly at random in distributed and parallel systems. All our protocols are simple, elegant and are b...
CCS
2007
ACM
14 years 3 months ago
2007
ACM
In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...
IADIS
2003
13 years 10 months ago
2003
There are several factors that have been influencing and creating deep changes in the Portuguese banking sector. Among these, we can highlight technological innovation, the increa...
KDD
2009
ACM
14 years 9 months ago
2009
ACM
Various online social networks (OSNs) have been developed rapidly on the Internet. Researchers have analyzed different properties of such OSNs, mainly focusing on the formation an...