133 search results - page 3 / 27 » Flow Algorithms for Parallel Query Optimization |
73
Voted
PARELEC
2002
IEEE
15 years 2 months ago
2002
IEEE
In this paper, techniques for optimization of net algorithms describing parallel asynchronous computations and derived from cycling and branching behavioral descriptions are prese...
VLDB
1997
ACM
15 years 1 months ago
1997
ACM
Scheduling query execution plans is a particularly complex problem in hierarchical parallel systems, where each site consists of a collection of local time-shared (e.g., CPU(s) or...
89
Voted
ICDCS
2008
IEEE
15 years 4 months ago
2008
IEEE
This paper considers a multi-query optimization issue for distributed similarity query processing, which attempts to exploit the dependencies in the derivation of a query evaluati...
80
Voted
ICPADS
1996
IEEE
15 years 1 months ago
1996
IEEE
In this paper, we propose a novel deadlock resolution algorithm. In the presence of global deadlocks in a multidatabase system, this algorithm always selects an optimal set of vic...
FUIN
2006
14 years 9 months ago
2006
In this paper we deal with the problem of finding an optimal query execution plan in database systems. We improve the analysis of a polynomial-time approximation algorithm due to M...