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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
CCE
2004
15 years 6 months ago
Pharmaceutical supply chains: key issues and strategies for optimisation
Supply chain optimisation is now a major research theme in process operations and management. A great deal of research has been undertaken on facility location and design, invento...
Nilay Shah
PVLDB
2010
85views more  PVLDB 2010»
15 years 4 months ago
Xplus: A SQL-Tuning-Aware Query Optimizer
The need to improve a suboptimal execution plan picked by the query optimizer for a repeatedly run SQL query arises routinely. Complex expressions, skewed or correlated data, and ...
Herodotos Herodotou, Shivnath Babu
NIPS
1993
15 years 7 months ago
Using Local Trajectory Optimizers to Speed Up Global Optimization in Dynamic Programming
Dynamic programming provides a methodology to develop planners and controllers for nonlinear systems. However, general dynamic programming is computationally intractable. We have ...
Christopher G. Atkeson