128 search results - page 8 / 26 » Plan Selection Based on Query Clustering |
VLDB
1994
ACM
15 years 3 months ago
1994
ACM
In existing relational database systems, processing of group-by and computation of aggregate functions are always postponed until all joins are performed. In this paper, we presen...
126
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WEBI
2005
Springer
15 years 5 months ago
2005
Springer
Document clustering is a very hard task in Automatic Text Processing since it requires to extract regular patterns from a document collection without a priori knowledge on the cat...
115
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CIKM
2005
Springer
15 years 5 months ago
2005
Springer
Modern query optimizers select an efficient join ordering for a physical execution plan based essentially on the average join selectivity factors among the referenced tables. In ...
80
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DASFAA
2008
IEEE
15 years 6 months ago
2008
IEEE
Abstract. The Redundant Arrays of Inexpensive DWS Nodes (RAIN) technique is a node-level data replication approach that introduces failover capabilities to DWS (Data Warehouse Stri...
101
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CIKM
2005
Springer
15 years 5 months ago
2005
Springer
Peer-to-peer (p2p) systems offer an efficient means of data sharing among a dynamically changing set of a large number of autonomous nodes. Each node in a p2p system is connected...