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187
Voted
EDBT
2011
ACM
14 years 7 months ago
2011
ACM
The popularity of batch-oriented cluster architectures like Hadoop is on the rise. These batch-based systems successfully achieve high degrees of scalability by carefully allocati...
125
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BTW
2005
Springer
15 years 9 months ago
2005
Springer
: Optimizers in modern DBMSs utilize a cost model to choose an efficient query execution plan (QEP) among all possible ones for a given query. The accuracy of the cost estimates de...
169
Voted
SIGMOD
2004
ACM
16 years 3 months ago
2004
ACM
The rapid adoption of XML as the standard for data representation and exchange foreshadows a massive increase in the amounts of XML data collected, maintained, and queried over th...
131
Voted
IEEEPACT
2009
IEEE
2009
IEEE
Soft-OLP: Improving Hardware Cache Performance through Software-Controlled Object-Level Partitioning
15 years 10 months ago
—Performance degradation of memory-intensive programs caused by the LRU policy’s inability to handle weaklocality data accesses in the last level cache is increasingly serious ...
129
Voted
VLDB
2001
ACM
15 years 8 months ago
2001
ACM
Estimating the number of distinct values is a wellstudied problem, due to its frequent occurrence in queries and its importance in selecting good query plans. Previous work has sh...