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WSC
1998
15 years 7 months ago
Emulation of a Material Delivery System
Emulation is the process of exactly imitating a real system. Recent advances in simulation technology make it possible to emulate real world control systems by using a system'...
Todd LeBaron, Kelly Thompson
ICDE
1999
IEEE
151views Database» more  ICDE 1999»
16 years 7 months ago
Data Integration by Describing Sources with Constraint Databases
We develop a data integration approach for the efficient evaluation of queries over autonomous source databases. The approach is based on some novel applications and extensions of...
Xun Cheng, Guozhu Dong, Tzekwan Lau, Jianwen Su
SIGMOD
2009
ACM
161views Database» more  SIGMOD 2009»
16 years 6 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
2005
ACM
164views Database» more  SIGMOD 2005»
16 years 6 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...
ARTMED
2006
158views more  ARTMED 2006»
15 years 6 months ago
CareVis: Integrated visualization of computerized protocols and temporal patient data
Objective: Currently, visualization support for patient data analysis is mostly limited to the representation of directly measured data. Contextual information on performed treatm...
Wolfgang Aigner, Silvia Miksch