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SIGMOD
2005
ACM
164views Database» more  SIGMOD 2005»
16 years 1 months ago
RankSQL: Query Algebra and Optimization for Relational Top-k Queries
This paper introduces RankSQL, a system that provides a systematic and principled framework to support efficient evaluations of ranking (top-k) queries in relational database syst...
Chengkai Li, Kevin Chen-Chuan Chang, Ihab F. Ilyas...
SIGMOD
2004
ACM
204views Database» more  SIGMOD 2004»
16 years 1 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
ICDE
2010
IEEE
248views Database» more  ICDE 2010»
16 years 1 months ago
FPGA Acceleration for the Frequent Item Problem
Abstract-- Field-programmable gate arrays (FPGAs) can provide performance advantages with a lower resource consumption (e.g., energy) than conventional CPUs. In this paper, we show...
Gustavo Alonso, Jens Teubner, René Mül...
ISPASS
2009
IEEE
15 years 8 months ago
GARNET: A detailed on-chip network model inside a full-system simulator
Until very recently, microprocessor designs were computation-centric. On-chip communication was frequently ignored. This was because of fast, single-cycle on-chip communication. T...
Niket Agarwal, Tushar Krishna, Li-Shiuan Peh, Nira...
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SIGMOD
2009
ACM
161views Database» more  SIGMOD 2009»
15 years 8 months ago
Dependency-aware reordering for parallelizing query optimization in multi-core CPUs
The state of the art commercial query optimizers employ cost-based optimization and exploit dynamic programming (DP) to find the optimal query execution plan (QEP) without evalua...
Wook-Shin Han, Jinsoo Lee