2724 search results - page 347 / 545 » Optimizing Queries on Files |
140
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VLDB
1998
ACM
15 years 8 months ago
1998
ACM
Approximate predicates can be used to reduce the number of comparisons made by expensive, complex predicates. For example, to check if a point is within a region (expensive predic...
137
Voted
EDBT
2004
ACM
16 years 4 months ago
2004
ACM
Due to the large difference between seek time and transfer time in current disk technology, it is advantageous to perform large I/O using a single sequential access rather than mu...
233
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BTW
2009
Springer
15 years 7 months ago
2009
Springer
: The issue of write-read contention is one of the most prevalent problems when deploying real-time data warehouses. With increasing load, updates are increasingly delayed and prev...
125
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TPDS
2008
15 years 3 months ago
2008
The efficiency of Peer-to-Peer (P2P) systems is largely dependent on the overlay constructions. Due to the random selection of logical neighbors, there often exists serious topolog...
139
Voted
EDBT
2008
ACM
16 years 4 months ago
2008
ACM
Modern enterprise data warehouses have complex workloads that are notoriously difficult to manage. An important problem in workload management is to run these complex workloads `o...