88 search results - page 2 / 18 » Real-Time Index Concurrency Control |
ADBIS
1997
Springer
15 years 3 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...
117
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RTSS
1993
IEEE
15 years 3 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...
84
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RTSS
1990
IEEE
15 years 3 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
15 years 3 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...
83
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DEXA
2003
Springer
15 years 4 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...