2223 search results - page 183 / 445 » Query Optimization in an OODBMS |
153
Voted
SIGMOD
2005
ACM
15 years 9 months ago
2005
ACM
One of the most powerful features of SQL is the use of nested queries. Most research work on the optimization of nested queries focuses on aggregate subqueries. However, the solut...
146
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TREC
2008
15 years 5 months ago
2008
In this paper, we report our experiments in the TREC 2008 Relevance Feedback Track. Our main goal is to study a novel problem in feedback, i.e., optimization of the balance of the...
128
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AINA
2008
IEEE
15 years 10 months ago
2008
IEEE
This paper shows that the performance of peer-to-peer resource discovery algorithms is upper bounded by a k-Steiner minimum tree and proposes an algorithm locating near-optimal qu...
146
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PLDI
1995
ACM
15 years 7 months ago
1995
ACM
The control dependence relation is used extensively in restructuring compilers. This relation is usually represented using the control dependence graph; unfortunately, the size of...
146
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DAGSTUHL
2004
15 years 5 months ago
2004
We present the Priority R-tree, or PR-tree, which is the first R-tree variant that always answers a window query using O((N/B)1-1/d + T/B) I/Os, where N is the number of ddimensio...