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» Generating Databases for Query Workloads
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DBPL
2005
Springer
93views Database» more  DBPL 2005»
15 years 1 months ago
On the Expressive Power of XQuery Fragments
XQuery is known to be a powerful XML query language with many bells and whistles. For many common queries we do not need all the expressive power of XQuery. We investigate the eff...
Jan Hidders, Stefania Marrara, Jan Paredaens, Roel...
AIPS
1996
15 years 18 days ago
Building a Planner for Information Gathering: A Report from the Trenches
Informationgathering requires locating and integrating data froma set of distributed informationsources. These sources maycontain overlapping data and can comefrom different types...
Craig A. Knoblock
MDM
2005
Springer
165views Communications» more  MDM 2005»
15 years 4 months ago
STEP: Self-Tuning Energy-safe Predictors
Data access prediction has been proposed as a mechanism to overcome latency lag, and more recently as a means of conserving energy in mobile systems. We present a fully adaptive p...
James Larkby-Lahet, Ganesh Santhanakrishnan, Ahmed...
CIKM
2008
Springer
15 years 1 months ago
Transaction reordering with application to synchronized scans
Traditional workload management methods mainly focus on the current system status while information about the interaction between queued and running transactions is largely ignore...
Gang Luo, Jeffrey F. Naughton, Curt J. Ellmann, Mi...
AIIA
2007
Springer
15 years 5 months ago
A Comparison of Genetic Algorithms for Optimizing Linguistically Informed IR in Question Answering
In this paper we compare four selection strategies in evolutionary optimization of information retrieval (IR) in a question answering setting. The IR index has been augmented by li...
Jörg Tiedemann