2217 search results - page 327 / 444 » Rank-aware Query Optimization |
154
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CORR
2011
Springer
15 years 1 days ago
2011
Springer
Index tuning, i.e., selecting the indexes appropriate for a workload, is a crucial problem in database system tuning. In this paper, we solve index tuning for large problem instan...
178
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TC
2011
14 years 12 months ago
2011
— Processing the gathered information efficiently is a key functionality for wireless sensor networks. In this article, we study the time complexity, message complexity (number ...
152
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SODA
2012
ACM
13 years 7 months ago
2012
ACM
We consider the dictionary problem in external memory and improve the update time of the wellknown buffer tree by roughly a logarithmic factor. For any λ ≥ max{lg lg n, logM/B(...
163
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DASFAA
1997
IEEE
15 years 9 months ago
1997
IEEE
The success of the World Wide Web is boosting the development of multimedia database systems and their integration into the internet. For the documents stored and exchanged in the...
225
Voted
IGIS
1994
15 years 9 months ago
1994
During the last decade various spatial data structures have been designed and compared against each other, all of them re ecting a dynamic situation with ongoing object insertion a...