938 search results - page 172 / 188 » Mathematical Modelling the Ethnic System |
CCS
2007
ACM
15 years 4 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 ...
ER
1999
Springer
15 years 2 months ago
1999
Springer
Abstract. The process industries (chemicals, food, oil, ...) are characterized by - continuous or batch -- processes of material transformation. The design of such processes, and t...
CCS
2005
ACM
15 years 3 months ago
2005
ACM
In a reputation-based trust-management system, agents maintain information about the past behaviour of other agents. This information is used to guide future trust-based decisions...
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EUSFLAT
2007
14 years 11 months ago
2007
At present time configurable wireless sensor networks are given special consideration. Wireless sensor networks are now a static elements union. To make such a network a powerful ...
BMCBI
2006
14 years 10 months ago
2006
Background: siRNAs are small RNAs that serve as sequence determinants during the gene silencing process called RNA interference (RNAi). It is well know that siRNA efficiency is cr...