88 search results - page 2 / 18 » Real-Time Index Concurrency Control |
ADBIS
1997
Springer
13 years 10 months ago
1997
Springer
In this paper we consider real-time concurrency control for the nested transaction model. We analyze problems that have pure optimistic and pessimistic approaches. As the solution...
RTSS
1993
IEEE
13 years 10 months ago
1993
IEEE
Studies in [7,8, 91 concluded that for a variety of reasons, optimistic concurrency control appears well-suited to real-time database systems. Especially, they showed that in a re...
RTSS
1990
IEEE
13 years 10 months ago
1990
IEEE
In a recent study, we have shown that in real-time database systems that discard late transactions, optimistic concurrency control outperforms locking. Although the optimistic alg...
RTSS
1993
IEEE
13 years 10 months ago
1993
IEEE
This paper presents a technique that is capable of supporting two major requirements for concurrency control in real-time databases: data temporal consistency, and data logical co...
DEXA
2003
Springer
13 years 11 months ago
2003
Springer
Abstract. Access control policies are security policies that govern access to resources. Real-time update of access control policies, that is, updating policies while they are in e...