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SIGMOD
2009
ACM
161views Database» more  SIGMOD 2009»
16 years 3 months ago
Automated SQL tuning through trial and (sometimes) error
SQL tuning--the attempt to improve a poorly-performing execution plan produced by the database query optimizer-is a critical aspect of database performance tuning. Ironically, as ...
Herodotos Herodotou, Shivnath Babu
SIGMOD
2004
ACM
204views Database» more  SIGMOD 2004»
16 years 3 months ago
Buffering Database Operations for Enhanced Instruction Cache Performance
As more and more query processing work can be done in main memory, memory access is becoming a significant cost component of database operations. Recent database research has show...
Jingren Zhou, Kenneth A. Ross
PVLDB
2011
14 years 6 months ago
Merging What's Cracked, Cracking What's Merged: Adaptive Indexing in Main-Memory Column-Stores
Adaptive indexing is characterized by the partial creation and refinement of the index as side effects of query execution. Dynamic or shifting workloads may benefit from prelimi...
Stratos Idreos, Stefan Manegold, Harumi A. Kuno, G...
ICRA
2006
IEEE
78views Robotics» more  ICRA 2006»
15 years 9 months ago
The Task Matrix: an Extensible Framework for Creating Versatile Humanoid Robots
— The successful acquisition and organization of a large number of skills for humanoid robots can be facilitated with a collection of performable tasks organized in a task matrix...
Evan Drumwright, Victor Ng-Thow-Hing
ADBIS
2001
Springer
114views Database» more  ADBIS 2001»
15 years 7 months ago
Evaluation of Join Strategies for Distributed Mediation
Three join algorithms are evaluated in an environment with distributed main-memory based mediators and data sources. A streamed ship-out join ships bulks of tuples to a mediator ne...
Vanja Josifovski, Timour Katchaounov, Tore Risch