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AMW
2010
15 years 13 days ago
Run-time Optimization for Pipelined Systems
Traditional optimizers fail to pick good execution plans, when faced with increasingly complex queries and large data sets. This failure is even more acute in the context of XQuery...
Riham Abdel Kader, Maurice van Keulen, Peter A. Bo...
EDBT
2010
ACM
184views Database» more  EDBT 2010»
15 years 29 days ago
PARINDA: an interactive physical designer for PostgreSQL
One of the most challenging tasks for the database administrator is to physically design the database to attain optimal performance for a given workload. Physical design is hard b...
Cristina Maier, Debabrata Dash, Ioannis Alagiannis...
SIGMOD
1998
ACM
96views Database» more  SIGMOD 1998»
15 years 3 months ago
Wavelet-Based Histograms for Selectivity Estimation
Query optimization is an integral part of relational database management systems. One important task in query optimization is selectivity estimation, that is, given a query P, we ...
Yossi Matias, Jeffrey Scott Vitter, Min Wang
VLDB
2001
ACM
121views Database» more  VLDB 2001»
15 years 3 months ago
Weaving Relations for Cache Performance
Relational database systems have traditionally optimzed for I/O performance and organized records sequentially on disk pages using the N-ary Storage Model (NSM) (a.k.a., slotted p...
Anastassia Ailamaki, David J. DeWitt, Mark D. Hill...
SSDBM
2006
IEEE
111views Database» more  SSDBM 2006»
15 years 5 months ago
Efficient Data Harvesting for Tracing Phenomena in Sensor Networks
Many publisWsubscribe systems have been built using wireless sensor networks, WSNs, deployedfor real-world environmentaldata collection, securitymonitoring,and object tracking. Ho...
Adesola Omotayo, Moustafa A. Hammad, Ken Barker